🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.49 AU - 0.71 AU

Year: 201 Days

Day: 40.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.57 AU - 0.67 AU

Year: 212 Days

Day: 45.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.8 AU - 1 AU

Year: 370 Days

Day: 36.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,973,371 km

• M1: 46,675 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.96 AU - 1.44 AU

Year: 570 Days

Day: 28.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.65 AU - 1.93 AU

Year: 1038 Days

Day: 44.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 177.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,973,371 km

• M1: 422,913 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.4

Radius: 11.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.27 AU - 6.13 AU

Year: 5140 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 74,973,371 km

• M1: 148,102 km (0.068 R)
• M2: 230,381 km (0.048 R)
• M3: 447,597 km (0.087 R)
• M4: 608,115 km (0.077 R)
• M5: 727,046 km (0.116 R)
• M6: 1,540,260 km (0.066 R)
• M7: 1,760,169 km (0.119 R)
• M8: 1,882,988 km (0.117 R)
• M9: 2,045,152 km (0.041 R)
• M10: 2,174,704 km (0.104 R)
• M11: 2,326,097 km (0.111 R)
• M12: 2,966,675 km (0.112 R)
• M13: 3,263,777 km (0.117 R)
• M14: 3,459,900 km (0.052 R)
• M15: 3,841,075 km (0.08 R)
• M16: 4,306,923 km (0.119 R)
• M17: 4,668,202 km (0.057 R)
• M18: 5,014,221 km (0.111 R)
• M19: 5,241,161 km (0.081 R)
• M20: 5,810,232 km (0.099 R)
• M21: 5,942,327 km (0.048 R)
• M22: 6,645,437 km (0.102 R)
• M23: 7,119,363 km (0.106 R)
• M24: 7,403,299 km (0.062 R)
• M25: 7,518,041 km (0.062 R)
• M26: 7,633,231 km (0.052 R)
• M27: 7,719,998 km (0.054 R)
• M28: 8,129,597 km (0.043 R)
• M29: 8,366,710 km (0.089 R)
• M30: 8,606,216 km (0.098 R)
• M31: 8,787,379 km (0.066 R)
• M32: 8,939,370 km (0.102 R)
• M33: 9,774,725 km (0.103 R)
• M34: 10,699,838 km (0.093 R)
• M35: 10,829,539 km (0.11 R)
• M36: 10,927,227 km (0.118 R)
• M37: 12,598,385 km (0.101 R)
• M38: 12,804,231 km (0.114 R)
• M39: 13,323,785 km (0.065 R)
• M40: 13,779,759 km (0.086 R)
• M41: 14,240,820 km (0.089 R)
• M42: 14,670,914 km (0.079 R)
• M43: 15,214,552 km (0.032 R)
• M44: 15,727,823 km (0.081 R)
• M45: 16,358,826 km (0.072 R)
• M46: 16,884,812 km (0.109 R)
• M47: 16,998,208 km (0.076 R)
• M48: 17,149,750 km (0.043 R)
• M49: 17,492,629 km (0.076 R)
• M50: 17,683,964 km (0.057 R)
• M51: 17,799,155 km (0.118 R)
• M52: 18,886,282 km (0.114 R)
• M53: 19,676,010 km (0.088 R)
• M54: 19,955,010 km (0.12 R)
• M55: 20,476,508 km (0.119 R)
• M56: 21,002,494 km (0.098 R)
• M57: 22,026,641 km (0.074 R)
• M58: 22,316,262 km (0.051 R)
• M59: 22,440,877 km (0.093 R)
• M60: 22,523,904 km (0.118 R)
• M61: 23,319,017 km (0.101 R)
• M62: 23,529,800 km (0.119 R)
• M63: 23,656,510 km (0.059 R)
• M64: 24,721,647 km (0.099 R)
• M65: 25,933,090 km (0.061 R)
• M66: 26,458,328 km (0.077 R)
• M67: 26,898,595 km (0.098 R)
• M68: 27,296,974 km (0.118 R)
• M69: 27,697,148 km (0.113 R)
• M70: 28,909,789 km (0.049 R)
• M71: 29,819,044 km (0.035 R)
• M72: 29,956,375 km (0.062 R)
• M73: 30,093,706 km (0.08 R)
• M74: 30,599,496 km (0.069 R)
• M75: 30,737,874 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.7

Radius: 7.8

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.68 AU - 11.82 AU

Year: 14225 Days

Day: 21.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 74,973,371 km

• M1: 257,608 km (0.119 R)
• M2: 391,946 km (0.113 R)
• M3: 551,119 km (0.099 R)
• M4: 609,163 km (0.107 R)
• M5: 753,076 km (0.08 R)
• M6: 1,601,595 km (0.076 R)
• M7: 1,744,760 km (0.087 R)
• M8: 1,862,493 km (0.105 R)
• M9: 2,589,390 km (0.113 R)
• M10: 2,861,059 km (0.105 R)
• M11: 3,730,522 km (0.103 R)
• M12: 4,076,392 km (0.047 R)
• M13: 5,006,592 km (0.101 R)
• M14: 5,603,936 km (0.116 R)
• M15: 6,089,082 km (0.039 R)
• M16: 6,314,077 km (0.049 R)
• M17: 6,725,920 km (0.064 R)
• M18: 7,336,130 km (0.025 R)
• M19: 7,866,305 km (0.088 R)
• M20: 8,062,128 km (0.118 R)
• M21: 8,458,712 km (0.101 R)
• M22: 9,065,481 km (0.066 R)
• M23: 9,477,773 km (0.089 R)
• M24: 9,896,198 km (0.082 R)
• M25: 10,160,687 km (0.115 R)
• M26: 10,320,608 km (0.085 R)
• M27: 10,859,609 km (0.067 R)
• M28: 10,914,062 km (0.045 R)
• M29: 11,796,690 km (0.103 R)
• M30: 12,190,132 km (0.092 R)
• M31: 13,571,519 km (0.089 R)
• M32: 13,924,420 km (0.052 R)
• M33: 13,983,661 km (0.054 R)
• M34: 14,220,923 km (0.104 R)
• M35: 15,122,998 km (0.072 R)
• M36: 15,919,607 km (0.106 R)
• M37: 16,604,316 km (0.049 R)
• M38: 17,108,461 km (0.063 R)
• M39: 17,235,171 km (0.081 R)
• M40: 18,715,591 km (0.082 R)
• M41: 18,846,340 km (0.075 R)
• M42: 19,372,027 km (0.029 R)
• M43: 20,909,893 km (0.115 R)
• M44: 21,522,346 km (0.1 R)
• M45: 22,279,012 km (0.084 R)
• M46: 23,676,705 km (0.093 R)
• M47: 24,243,831 km (0.112 R)
• M48: 24,958,909 km (0.116 R)
• M49: 25,535,908 km (0.081 R)
• M50: 25,608,313 km (0.107 R)
• M51: 27,590,036 km (0.091 R)
• M52: 29,468,387 km (0.113 R)
• M53: 29,772,669 km (0.111 R)
• M54: 30,923,376 km (0.12 R)
• M55: 31,776,383 km (0.064 R)
• M56: 32,480,091 km (0.091 R)
• M57: 34,221,710 km (0.056 R)
• M58: 34,782,253 km (0.081 R)
• M59: 34,862,587 km (0.093 R)
• M60: 36,400,303 km (0.091 R)
• M61: 37,218,604 km (0.094 R)
• M62: 37,877,582 km (0.044 R)
• M63: 38,208,493 km (0.093 R)
• M64: 38,623,477 km (0.112 R)
• M65: 39,457,934 km (0.088 R)
• M66: 40,975,006 km (0.079 R)
• M67: 42,253,769 km (0.096 R)
• M68: 43,372,462 km (0.085 R)
• M69: 43,805,398 km (0.101 R)
• M70: 45,200,249 km (0.113 R)
• M71: 46,079,435 km (0.071 R)
• M72: 46,609,760 km (0.044 R)
• M73: 47,854,713 km (0.088 R)
• M74: 48,302,011 km (0.111 R)
• M75: 48,660,896 km (0.106 R)
• M76: 50,650,398 km (0.115 R)
• M77: 50,923,714 km (0.097 R)
• M78: 51,471,840 km (0.088 R)
• M79: 52,113,765 km (0.08 R)
• M80: 52,205,767 km (0.115 R)
• M81: 52,389,773 km (0.101 R)
• M82: 52,574,077 km (0.096 R)
• M83: 52,666,230 km (0.056 R)
• M84: 54,614,742 km (0.059 R)
• M85: 55,082,235 km (0.058 R)
• M86: 56,303,702 km (0.115 R)
• M87: 56,870,528 km (0.093 R)
• M88: 57,534,144 km (0.102 R)
• M89: 57,724,283 km (0.117 R)
• M90: 57,819,427 km (0.113 R)
• M91: 63,130,750 km (0.096 R)
• M92: 63,621,282 km (0.111 R)
• M93: 64,606,084 km (0.117 R)
• M94: 65,397,607 km (0.065 R)
• M95: 65,596,123 km (0.057 R)
• M96: 66,192,420 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.9

Radius: 4.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.78 AU - 11.68 AU

Year: 16313 Days

Day: 23 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 74,973,371 km

• M1: 80,484 km (0.098 R)
• M2: 178,321 km (0.061 R)
• M3: 234,121 km (0.118 R)
• M4: 385,514 km (0.111 R)
• M5: 576,550 km (0.092 R)
• M6: 701,913 km (0.077 R)
• M7: 781,200 km (0.068 R)
• M8: 808,277 km (0.087 R)
• M9: 920,027 km (0.066 R)
• M10: 1,333,067 km (0.098 R)
• M11: 1,382,135 km (0.08 R)
• M12: 1,448,556 km (0.04 R)
• M13: 1,654,253 km (0.106 R)
• M14: 1,869,076 km (0.072 R)
• M15: 2,150,021 km (0.069 R)
• M16: 2,444,130 km (0.101 R)
• M17: 2,626,639 km (0.102 R)
• M18: 2,709,217 km (0.079 R)
• M19: 3,048,057 km (0.116 R)
• M20: 3,355,331 km (0.065 R)
• M21: 3,649,590 km (0.11 R)
• M22: 3,788,267 km (0.091 R)
• M23: 3,881,616 km (0.096 R)
• M24: 4,214,322 km (0.091 R)
• M25: 4,457,717 km (0.06 R)
• M26: 4,556,302 km (0.081 R)
• M27: 4,680,469 km (0.074 R)
• M28: 5,660,933 km (0.059 R)
• M29: 6,064,847 km (0.099 R)
• M30: 6,256,632 km (0.12 R)
• M31: 6,450,361 km (0.104 R)
• M32: 6,533,986 km (0.051 R)
• M33: 6,786,956 km (0.118 R)
• M34: 6,900,501 km (0.104 R)
• M35: 7,244,726 km (0.075 R)
• M36: 7,418,858 km (0.043 R)
• M37: 7,623,807 km (0.06 R)
• M38: 7,682,748 km (0.115 R)
• M39: 7,979,550 km (0.066 R)
• M40: 8,310,461 km (0.09 R)
• M41: 8,523,339 km (0.111 R)
• M42: 8,615,192 km (0.101 R)
• M43: 8,676,527 km (0.08 R)
• M44: 9,047,829 km (0.109 R)
• M45: 9,266,840 km (0.102 R)
• M46: 9,487,497 km (0.066 R)
• M47: 10,355,015 km (0.097 R)
• M48: 10,387,627 km (0.112 R)
• M49: 10,649,872 km (0.109 R)
• M50: 10,682,784 km (0.104 R)
• M51: 11,247,666 km (0.115 R)
• M52: 11,550,601 km (0.091 R)
• M53: 11,958,854 km (0.113 R)
• M54: 12,164,700 km (0.074 R)
• M55: 12,233,515 km (0.066 R)
• M56: 12,371,744 km (0.104 R)
• M57: 12,964,600 km (0.116 R)
• M58: 13,602,486 km (0.075 R)
• M59: 14,432,155 km (0.047 R)
• M60: 14,578,163 km (0.099 R)
• M61: 14,651,316 km (0.097 R)
• M62: 15,166,980 km (0.088 R)
• M63: 15,613,679 km (0.079 R)
• M64: 15,651,079 km (0.081 R)
• M65: 15,763,427 km (0.101 R)
• M66: 16,787,424 km (0.113 R)
• M67: 16,940,912 km (0.095 R)
• M68: 17,056,401 km (0.108 R)
• M69: 17,911,054 km (0.073 R)
• M70: 18,067,832 km (0.108 R)
• M71: 18,819,263 km (0.116 R)
• M72: 18,859,056 km (0.072 R)
• M73: 19,058,619 km (0.111 R)
• M74: 19,823,363 km (0.06 R)
• M75: 20,597,981 km (0.106 R)
• M76: 21,051,113 km (0.09 R)
• M77: 21,632,450 km (0.042 R)
• M78: 21,925,064 km (0.074 R)
• M79: 22,050,876 km (0.069 R)
• M80: 22,387,471 km (0.05 R)
• M81: 24,312,796 km (0.05 R)
• M82: 24,356,179 km (0.108 R)
• M83: 24,747,826 km (0.074 R)
• M84: 24,835,191 km (0.051 R)
• M85: 24,966,389 km (0.082 R)
• M86: 25,185,400 km (0.078 R)
• M87: 28,639,316 km (0.036 R)
• M88: 28,685,093 km (0.116 R)
• M89: 29,006,578 km (0.067 R)
• M90: 29,421,563 km (0.079 R)
• M91: 30,491,188 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.1

Radius: 6.3

Gravity: 23.79 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 10.76 AU - 12.02 AU

Year: 16663 Days

Day: 15.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 74,973,371 km

• M1: 80,783 km (0.064 R)
• M2: 259,253 km (0.105 R)
• M3: 322,683 km (0.069 R)
• M4: 410,646 km (0.1 R)
• M5: 527,332 km (0.109 R)
• M6: 633,098 km (0.072 R)
• M7: 793,318 km (0.096 R)
• M8: 940,971 km (0.089 R)
• M9: 1,070,822 km (0.077 R)
• M10: 1,124,527 km (0.092 R)
• M11: 1,495,231 km (0.069 R)
• M12: 1,741,319 km (0.111 R)
• M13: 1,836,912 km (0.079 R)
• M14: 2,999,138 km (0.099 R)
• M15: 3,075,732 km (0.07 R)
• M16: 5,007,041 km (0.081 R)
• M17: 5,052,518 km (0.097 R)
• M18: 5,561,301 km (0.091 R)
• M19: 5,989,600 km (0.065 R)
• M20: 6,379,302 km (0.086 R)
• M21: 6,428,520 km (0.077 R)
• M22: 8,232,072 km (0.054 R)
• M23: 8,447,493 km (0.112 R)
• M24: 8,719,611 km (0.107 R)
• M25: 8,994,422 km (0.105 R)
• M26: 9,440,224 km (0.091 R)
• M27: 10,122,241 km (0.11 R)
• M28: 11,956,610 km (0.117 R)
• M29: 12,755,911 km (0.106 R)
• M30: 13,067,823 km (0.118 R)
• M31: 13,572,267 km (0.073 R)
• M32: 14,340,751 km (0.109 R)
• M33: 15,321,216 km (0.093 R)
• M34: 15,852,886 km (0.098 R)
• M35: 16,458,309 km (0.082 R)
• M36: 18,671,310 km (0.1 R)
• M37: 18,954,499 km (0.049 R)
• M38: 19,239,034 km (0.107 R)
• M39: 19,524,916 km (0.1 R)
• M40: 20,101,167 km (0.113 R)
• M41: 20,755,957 km (0.104 R)
• M42: 20,975,865 km (0.066 R)
• M43: 23,903,346 km (0.074 R)
• M44: 24,210,770 km (0.062 R)
• M45: 24,442,198 km (0.059 R)
• M46: 24,984,939 km (0.096 R)
• M47: 25,297,000 km (0.113 R)
• M48: 25,688,797 km (0.119 R)
• M49: 25,846,024 km (0.099 R)
• M50: 26,637,247 km (0.036 R)
• M51: 27,838,817 km (0.102 R)
• M52: 28,568,257 km (0.088 R)
• M53: 28,812,849 km (0.091 R)
• M54: 29,880,529 km (0.079 R)
• M55: 29,963,257 km (0.114 R)
• M56: 32,139,158 km (0.081 R)
• M57: 32,393,624 km (0.098 R)
• M58: 32,818,930 km (0.108 R)
• M59: 34,106,220 km (0.1 R)
• M60: 34,279,006 km (0.115 R)
• M61: 35,497,331 km (0.078 R)
• M62: 36,729,718 km (0.115 R)
• M63: 38,784,594 km (0.117 R)
• M64: 41,428,288 km (0.1 R)
• M65: 44,506,713 km (0.081 R)
• M66: 44,695,655 km (0.108 R)
• M67: 46,695,330 km (0.083 R)
• M68: 49,016,191 km (0.113 R)
• M69: 49,896,275 km (0.094 R)
• M70: 51,671,853 km (0.109 R)
• M71: 52,168,667 km (0.107 R)
• M72: 53,367,694 km (0.1 R)
• M73: 54,272,911 km (0.057 R)
• M74: 54,474,718 km (0.119 R)
• M75: 54,676,825 km (0.034 R)
• M76: 54,879,231 km (0.06 R)
• M77: 55,284,641 km (0.087 R)
• M78: 56,609,031 km (0.103 R)
• M79: 57,326,652 km (0.11 R)
• M80: 57,429,426 km (0.053 R)
• M81: 59,601,288 km (0.095 R)
• M82: 60,435,595 km (0.085 R)
• M83: 61,064,056 km (0.114 R)
• M84: 63,811,869 km (0.091 R)
• M85: 64,879,400 km (0.109 R)
• M86: 65,093,624 km (0.113 R)
• M87: 69,865,497 km (0.088 R)
• M88: 71,517,955 km (0.111 R)
• M89: 72,071,467 km (0.053 R)
• M90: 73,517,630 km (0.075 R)
• M91: 74,748,820 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 10,980 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit