🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.47 AU - 0.57 AU

Year: 144 Days

Day: 38.2 Hours

Environment

Temp: 163 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.48 AU - 0.56 AU

Year: 144 Days

Day: 35.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.94 AU - 1.38 AU

Year: 478 Days

Day: 46.2 Hours

Environment

Temp: -15 °C

Axial Tilt: 42.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.26 AU - 1.56 AU

Year: 641 Days

Day: 13.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 14.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.94 AU - 4.28 AU

Year: 3190 Days

Day: 10.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 92.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 69,928,691 km

• M1: 197,020 km (0.079 R)
• M2: 446,849 km (0.11 R)
• M3: 594,502 km (0.085 R)
• M4: 959,670 km (0.095 R)
• M5: 1,175,091 km (0.112 R)
• M6: 1,295,518 km (0.113 R)
• M7: 1,549,385 km (0.038 R)
• M8: 1,751,043 km (0.11 R)
• M9: 1,933,104 km (0.088 R)
• M10: 2,316,523 km (0.12 R)
• M11: 2,805,858 km (0.116 R)
• M12: 2,953,960 km (0.114 R)
• M13: 3,502,535 km (0.102 R)
• M14: 3,644,803 km (0.109 R)
• M15: 4,365,864 km (0.109 R)
• M16: 4,519,202 km (0.092 R)
• M17: 4,910,849 km (0.093 R)
• M18: 5,191,645 km (0.111 R)
• M19: 5,457,031 km (0.049 R)
• M20: 5,601,991 km (0.073 R)
• M21: 6,215,792 km (0.035 R)
• M22: 6,519,774 km (0.113 R)
• M23: 6,717,842 km (0.12 R)
• M24: 6,918,004 km (0.076 R)
• M25: 7,233,356 km (0.117 R)
• M26: 7,347,051 km (0.081 R)
• M27: 7,599,422 km (0.088 R)
• M28: 7,948,284 km (0.055 R)
• M29: 8,160,115 km (0.071 R)
• M30: 8,302,383 km (0.118 R)
• M31: 8,589,461 km (0.112 R)
• M32: 9,001,902 km (0.095 R)
• M33: 9,099,889 km (0.096 R)
• M34: 9,495,276 km (0.119 R)
• M35: 9,795,669 km (0.117 R)
• M36: 9,972,344 km (0.104 R)
• M37: 10,099,203 km (0.115 R)
• M38: 10,252,092 km (0.103 R)
• M39: 10,457,190 km (0.113 R)
• M40: 10,663,635 km (0.074 R)
• M41: 11,212,211 km (0.045 R)
• M42: 12,201,053 km (0.105 R)
• M43: 12,500,398 km (0.05 R)
• M44: 12,637,280 km (0.063 R)
• M45: 12,940,365 km (0.073 R)
• M46: 13,134,394 km (0.025 R)
• M47: 13,469,194 km (0.112 R)
• M48: 13,581,542 km (0.11 R)
• M49: 14,663,583 km (0.104 R)
• M50: 14,953,055 km (0.109 R)
• M51: 15,332,136 km (0.057 R)
• M52: 15,478,742 km (0.101 R)
• M53: 16,638,574 km (0.118 R)
• M54: 17,001,050 km (0.101 R)
• M55: 17,213,778 km (0.045 R)
• M56: 17,457,922 km (0.056 R)
• M57: 17,580,443 km (0.106 R)
• M58: 18,011,434 km (0.093 R)
• M59: 18,446,016 km (0.085 R)
• M60: 18,915,454 km (0.093 R)
• M61: 19,167,377 km (0.096 R)
• M62: 19,515,790 km (0.08 R)
• M63: 20,058,232 km (0.095 R)
• M64: 20,154,424 km (0.049 R)
• M65: 20,347,405 km (0.115 R)
• M66: 20,735,162 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 11.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.9 AU - 7.22 AU

Year: 5712 Days

Day: 11.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 69,928,691 km

• M1: 246,388 km (0.115 R)
• M2: 714,629 km (0.108 R)
• M3: 1,001,558 km (0.096 R)
• M4: 1,490,892 km (0.105 R)
• M5: 1,717,084 km (0.095 R)
• M6: 1,917,396 km (0.099 R)
• M7: 2,030,043 km (0.115 R)
• M8: 2,401,495 km (0.064 R)
• M9: 2,668,228 km (0.094 R)
• M10: 3,141,705 km (0.096 R)
• M11: 3,343,064 km (0.109 R)
• M12: 3,433,870 km (0.099 R)
• M13: 3,548,761 km (0.099 R)
• M14: 3,972,721 km (0.101 R)
• M15: 4,190,835 km (0.077 R)
• M16: 4,412,988 km (0.087 R)
• M17: 4,512,919 km (0.108 R)
• M18: 4,868,962 km (0.085 R)
• M19: 5,050,424 km (0.086 R)
• M20: 5,207,651 km (0.117 R)
• M21: 5,716,733 km (0.115 R)
• M22: 6,552,686 km (0.074 R)
• M23: 6,811,041 km (0.064 R)
• M24: 6,985,173 km (0.107 R)
• M25: 7,190,122 km (0.053 R)
• M26: 7,636,223 km (0.093 R)
• M27: 7,756,650 km (0.053 R)
• M28: 8,932,638 km (0.11 R)
• M29: 9,027,783 km (0.118 R)
• M30: 9,155,240 km (0.102 R)
• M31: 9,251,282 km (0.116 R)
• M32: 9,476,576 km (0.074 R)
• M33: 10,529,745 km (0.104 R)
• M34: 10,765,063 km (0.072 R)
• M35: 10,934,258 km (0.098 R)
• M36: 11,172,567 km (0.118 R)
• M37: 11,897,818 km (0.071 R)
• M38: 12,002,686 km (0.102 R)
• M39: 12,460,755 km (0.111 R)
• M40: 12,567,268 km (0.099 R)
• M41: 13,285,039 km (0.104 R)
• M42: 13,393,946 km (0.096 R)
• M43: 14,461,177 km (0.097 R)
• M44: 14,685,425 km (0.111 R)
• M45: 15,441,343 km (0.067 R)
• M46: 15,517,638 km (0.102 R)
• M47: 15,785,567 km (0.12 R)
• M48: 16,248,573 km (0.11 R)
• M49: 16,520,691 km (0.116 R)
• M50: 16,598,781 km (0.1 R)
• M51: 17,783,896 km (0.055 R)
• M52: 18,024,299 km (0.105 R)
• M53: 18,305,992 km (0.092 R)
• M54: 20,444,344 km (0.076 R)
• M55: 20,780,191 km (0.065 R)
• M56: 21,033,461 km (0.08 R)
• M57: 21,245,142 km (0.105 R)
• M58: 21,585,477 km (0.1 R)
• M59: 21,756,318 km (0.055 R)
• M60: 21,884,673 km (0.068 R)
• M61: 21,970,542 km (0.106 R)
• M62: 22,357,701 km (0.117 R)
• M63: 22,573,870 km (0.113 R)
• M64: 22,790,637 km (0.045 R)
• M65: 23,051,835 km (0.116 R)
• M66: 23,139,051 km (0.049 R)
• M67: 23,357,763 km (0.068 R)
• M68: 24,239,044 km (0.054 R)
• M69: 24,773,108 km (0.081 R)
• M70: 24,996,757 km (0.044 R)
• M71: 25,266,033 km (0.061 R)
• M72: 25,356,091 km (0.082 R)
• M73: 25,943,562 km (0.108 R)
• M74: 26,856,109 km (0.054 R)
• M75: 27,316,422 km (0.084 R)
• M76: 28,151,327 km (0.055 R)
• M77: 29,277,650 km (0.11 R)
• M78: 30,275,318 km (0.075 R)
• M79: 30,802,351 km (0.064 R)
• M80: 31,332,376 km (0.099 R)
• M81: 32,401,552 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.8

Radius: 7.7

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 10.39 AU - 13.15 AU

Year: 15461 Days

Day: 16.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 69,928,691 km

• M1: 150,047 km (0.108 R)
• M2: 310,266 km (0.059 R)
• M3: 377,735 km (0.079 R)
• M4: 481,855 km (0.052 R)
• M5: 757,713 km (0.068 R)
• M6: 1,369,718 km (0.11 R)
• M7: 1,440,328 km (0.104 R)
• M8: 1,659,489 km (0.087 R)
• M9: 1,863,241 km (0.105 R)
• M10: 2,075,222 km (0.101 R)
• M11: 2,267,156 km (0.109 R)
• M12: 2,551,392 km (0.039 R)
• M13: 2,638,906 km (0.077 R)
• M14: 3,342,764 km (0.094 R)
• M15: 4,101,824 km (0.036 R)
• M16: 4,839,790 km (0.111 R)
• M17: 5,580,300 km (0.043 R)
• M18: 6,237,184 km (0.076 R)
• M19: 6,918,453 km (0.048 R)
• M20: 7,288,707 km (0.078 R)
• M21: 7,497,247 km (0.117 R)
• M22: 7,962,795 km (0.114 R)
• M23: 8,134,534 km (0.109 R)
• M24: 8,612,798 km (0.046 R)
• M25: 9,779,362 km (0.037 R)
• M26: 10,148,271 km (0.113 R)
• M27: 11,426,585 km (0.078 R)
• M28: 11,717,552 km (0.082 R)
• M29: 12,306,818 km (0.082 R)
• M30: 12,356,335 km (0.115 R)
• M31: 13,361,035 km (0.079 R)
• M32: 13,411,898 km (0.111 R)
• M33: 13,616,249 km (0.073 R)
• M34: 15,181,342 km (0.069 R)
• M35: 15,234,598 km (0.085 R)
• M36: 15,769,411 km (0.091 R)
• M37: 16,419,413 km (0.056 R)
• M38: 16,528,620 km (0.109 R)
• M39: 16,857,735 km (0.066 R)
• M40: 17,689,649 km (0.116 R)
• M41: 18,364,934 km (0.092 R)
• M42: 18,591,874 km (0.084 R)
• M43: 19,856,574 km (0.1 R)
• M44: 20,031,155 km (0.09 R)
• M45: 22,105,778 km (0.114 R)
• M46: 22,468,254 km (0.058 R)
• M47: 22,589,578 km (0.101 R)
• M48: 22,954,596 km (0.047 R)
• M49: 24,559,034 km (0.116 R)
• M50: 25,691,041 km (0.077 R)
• M51: 25,944,759 km (0.08 R)
• M52: 27,420,392 km (0.093 R)
• M53: 27,744,870 km (0.077 R)
• M54: 29,187,293 km (0.072 R)
• M55: 29,253,415 km (0.104 R)
• M56: 29,584,774 km (0.069 R)
• M57: 29,717,767 km (0.113 R)
• M58: 30,117,791 km (0.111 R)
• M59: 30,251,532 km (0.11 R)
• M60: 30,586,631 km (0.061 R)
• M61: 30,923,077 km (0.055 R)
• M62: 31,463,873 km (0.09 R)
• M63: 33,174,076 km (0.092 R)
• M64: 33,866,564 km (0.119 R)
• M65: 34,075,253 km (0.07 R)
• M66: 34,214,529 km (0.107 R)
• M67: 34,563,840 km (0.109 R)
• M68: 35,124,982 km (0.083 R)
• M69: 36,256,390 km (0.029 R)
• M70: 36,398,658 km (0.075 R)
• M71: 36,898,165 km (0.118 R)
• M72: 37,112,838 km (0.075 R)
• M73: 37,327,960 km (0.118 R)
• M74: 38,048,124 km (0.041 R)
• M75: 41,270,911 km (0.057 R)
• M76: 41,791,661 km (0.105 R)
• M77: 42,015,460 km (0.102 R)
• M78: 42,389,305 km (0.069 R)
• M79: 42,539,202 km (0.097 R)
• M80: 42,614,300 km (0.073 R)
• M81: 43,140,585 km (0.111 R)
• M82: 45,958,111 km (0.091 R)
• M83: 46,035,005 km (0.114 R)
• M84: 46,420,518 km (0.049 R)
• M85: 46,729,737 km (0.079 R)
• M86: 51,049,675 km (0.074 R)
• M87: 51,608,573 km (0.058 R)
• M88: 52,410,567 km (0.091 R)
• M89: 52,571,385 km (0.104 R)
• M90: 52,893,768 km (0.088 R)
• M91: 53,216,600 km (0.11 R)
• M92: 53,945,591 km (0.093 R)
• M93: 54,026,822 km (0.114 R)
• M94: 54,352,048 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.2

Radius: 5.7

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 15.9 AU - 18.22 AU

Year: 26980 Days

Day: 15.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 69,928,691 km

• M1: 88,562 km (0.089 R)
• M2: 398,230 km (0.114 R)
• M3: 715,676 km (0.076 R)
• M4: 805,585 km (0.091 R)
• M5: 851,960 km (0.103 R)
• M6: 1,622,090 km (0.108 R)
• M7: 1,832,724 km (0.078 R)
• M8: 3,345,308 km (0.111 R)
• M9: 3,613,237 km (0.044 R)
• M10: 3,691,178 km (0.109 R)
• M11: 4,967,397 km (0.072 R)
• M12: 5,097,547 km (0.108 R)
• M13: 5,361,288 km (0.092 R)
• M14: 5,629,517 km (0.031 R)
• M15: 7,181,446 km (0.09 R)
• M16: 10,035,474 km (0.059 R)
• M17: 10,867,837 km (0.1 R)
• M18: 13,981,567 km (0.111 R)
• M19: 14,846,841 km (0.093 R)
• M20: 15,475,601 km (0.092 R)
• M21: 15,729,468 km (0.082 R)
• M22: 16,177,215 km (0.072 R)
• M23: 17,281,845 km (0.098 R)
• M24: 17,479,314 km (0.064 R)
• M25: 18,276,521 km (0.115 R)
• M26: 18,679,538 km (0.098 R)
• M27: 20,044,170 km (0.062 R)
• M28: 20,182,398 km (0.091 R)
• M29: 20,599,028 km (0.115 R)
• M30: 21,158,824 km (0.104 R)
• M31: 22,007,941 km (0.1 R)
• M32: 22,436,689 km (0.053 R)
• M33: 22,796,023 km (0.064 R)
• M34: 22,940,385 km (0.068 R)
• M35: 23,812,391 km (0.093 R)
• M36: 23,885,544 km (0.098 R)
• M37: 24,917,620 km (0.1 R)
• M38: 25,663,814 km (0.117 R)
• M39: 26,417,189 km (0.11 R)
• M40: 26,493,035 km (0.072 R)
• M41: 26,872,864 km (0.109 R)
• M42: 27,177,894 km (0.118 R)
• M43: 27,561,014 km (0.119 R)
• M44: 28,100,314 km (0.062 R)
• M45: 28,643,056 km (0.075 R)
• M46: 28,720,846 km (0.085 R)
• M47: 29,738,860 km (0.07 R)
• M48: 30,371,210 km (0.104 R)
• M49: 30,609,520 km (0.058 R)
• M50: 30,928,163 km (0.085 R)
• M51: 31,247,854 km (0.113 R)
• M52: 32,537,836 km (0.089 R)
• M53: 33,026,124 km (0.11 R)
• M54: 33,598,784 km (0.028 R)
• M55: 33,845,172 km (0.093 R)
• M56: 34,919,883 km (0.093 R)
• M57: 35,252,888 km (0.076 R)
• M58: 35,336,214 km (0.081 R)
• M59: 36,005,814 km (0.1 R)
• M60: 36,679,603 km (0.06 R)
• M61: 37,272,609 km (0.025 R)
• M62: 39,502,664 km (0.076 R)
• M63: 40,546,408 km (0.105 R)
• M64: 40,633,774 km (0.081 R)
• M65: 43,910,865 km (0.085 R)
• M66: 44,991,859 km (0.112 R)
• M67: 46,355,294 km (0.081 R)
• M68: 46,996,321 km (0.119 R)
• M69: 47,088,024 km (0.074 R)
• M70: 47,455,885 km (0.111 R)
• M71: 48,009,397 km (0.075 R)
• M72: 50,808,673 km (0.111 R)
• M73: 50,997,166 km (0.033 R)
• M74: 51,280,355 km (0.12 R)
• M75: 52,704,227 km (0.101 R)
• M76: 54,140,816 km (0.059 R)
• M77: 54,237,157 km (0.074 R)
• M78: 54,429,689 km (0.103 R)
• M79: 54,815,801 km (0.086 R)
• M80: 58,428,889 km (0.077 R)
• M81: 59,319,296 km (0.055 R)
• M82: 59,517,812 km (0.05 R)
• M83: 59,815,961 km (0.082 R)
• M84: 60,413,754 km (0.115 R)
• M85: 60,813,330 km (0.084 R)
• M86: 61,314,183 km (0.111 R)
• M87: 62,925,801 km (0.117 R)
• M88: 63,940,075 km (0.114 R)
• M89: 64,041,801 km (0.069 R)
• M90: 64,143,528 km (0.085 R)
• M91: 65,164,384 km (0.052 R)
• M92: 66,293,399 km (0.093 R)
• M93: 66,499,395 km (0.095 R)
• M94: 66,705,541 km (0.108 R)
• M95: 67,325,475 km (0.072 R)
• M96: 68,779,267 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 13,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit