🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.49 AU - 0.63 AU

Year: 160 Days

Day: 22.8 Hours

Environment

Temp: 218 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,333,849 km

• M1: 199,264 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.57 AU - 0.69 AU

Year: 191 Days

Day: 17.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.57 AU - 0.81 AU

Year: 219 Days

Day: 18.5 Hours

Environment

Temp: 183 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.73 AU - 1.15 AU

Year: 349 Days

Day: 19.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.07 AU - 2.19 AU

Year: 1190 Days

Day: 13.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.1

Radius: 10.1

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.28 AU - 7.66 AU

Year: 6301 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 78,333,849 km

• M1: 152,291 km (0.106 R)
• M2: 239,057 km (0.043 R)
• M3: 390,899 km (0.105 R)
• M4: 493,224 km (0.114 R)
• M5: 619,485 km (0.059 R)
• M6: 687,103 km (0.114 R)
• M7: 757,564 km (0.07 R)
• M8: 830,717 km (0.061 R)
• M9: 1,598,004 km (0.037 R)
• M10: 1,872,517 km (0.073 R)
• M11: 2,015,383 km (0.08 R)
• M12: 2,162,138 km (0.076 R)
• M13: 2,807,354 km (0.112 R)
• M14: 2,924,339 km (0.063 R)
• M15: 3,334,686 km (0.098 R)
• M16: 3,509,117 km (0.099 R)
• M17: 3,763,434 km (0.097 R)
• M18: 4,023,884 km (0.078 R)
• M19: 5,325,235 km (0.062 R)
• M20: 5,500,115 km (0.094 R)
• M21: 5,588,228 km (0.113 R)
• M22: 6,714,401 km (0.11 R)
• M23: 6,966,922 km (0.079 R)
• M24: 7,062,515 km (0.063 R)
• M25: 7,126,394 km (0.107 R)
• M26: 7,190,571 km (0.057 R)
• M27: 7,384,151 km (0.077 R)
• M28: 7,908,641 km (0.11 R)
• M29: 8,041,783 km (0.097 R)
• M30: 8,513,316 km (0.09 R)
• M31: 9,447,854 km (0.107 R)
• M32: 9,695,588 km (0.08 R)
• M33: 10,670,816 km (0.111 R)
• M34: 12,095,736 km (0.112 R)
• M35: 12,441,905 km (0.093 R)
• M36: 12,635,635 km (0.052 R)
• M37: 12,791,366 km (0.118 R)
• M38: 13,341,437 km (0.082 R)
• M39: 14,019,714 km (0.08 R)
• M40: 17,187,150 km (0.037 R)
• M41: 17,663,320 km (0.081 R)
• M42: 18,099,846 km (0.062 R)
• M43: 18,187,660 km (0.119 R)
• M44: 18,805,799 km (0.115 R)
• M45: 18,894,660 km (0.118 R)
• M46: 19,028,251 km (0.094 R)
• M47: 19,520,877 km (0.119 R)
• M48: 19,791,200 km (0.094 R)
• M49: 19,881,707 km (0.11 R)
• M50: 20,793,356 km (0.107 R)
• M51: 20,977,361 km (0.118 R)
• M52: 21,208,191 km (0.099 R)
• M53: 21,486,144 km (0.115 R)
• M54: 21,672,094 km (0.109 R)
• M55: 21,811,968 km (0.096 R)
• M56: 21,905,467 km (0.057 R)
• M57: 22,045,789 km (0.106 R)
• M58: 22,233,385 km (0.102 R)
• M59: 22,327,333 km (0.111 R)
• M60: 23,849,491 km (0.063 R)
• M61: 24,042,173 km (0.111 R)
• M62: 24,138,664 km (0.103 R)
• M63: 24,623,062 km (0.085 R)
• M64: 24,720,300 km (0.092 R)
• M65: 25,159,669 km (0.032 R)
• M66: 26,842,496 km (0.041 R)
• M67: 26,942,726 km (0.088 R)
• M68: 27,294,132 km (0.076 R)
• M69: 28,663,850 km (0.09 R)
• M70: 29,228,282 km (0.113 R)
• M71: 29,434,428 km (0.104 R)
• M72: 29,641,023 km (0.101 R)
• M73: 29,951,887 km (0.106 R)
• M74: 30,211,739 km (0.082 R)
• M75: 30,890,913 km (0.115 R)
• M76: 32,211,264 km (0.084 R)
• M77: 32,530,955 km (0.087 R)
• M78: 33,280,739 km (0.074 R)
• M79: 34,852,115 km (0.111 R)
• M80: 35,894,663 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411

Radius: 13.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.6 AU - 10.64 AU

Year: 10545 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 78,333,849 km

• M1: 183,407 km (0.094 R)
• M2: 378,931 km (0.045 R)
• M3: 785,838 km (0.104 R)
• M4: 880,084 km (0.052 R)
• M5: 1,134,401 km (0.118 R)
• M6: 1,261,708 km (0.12 R)
• M7: 2,038,421 km (0.119 R)
• M8: 2,128,030 km (0.114 R)
• M9: 2,357,812 km (0.079 R)
• M10: 2,452,208 km (0.108 R)
• M11: 2,767,710 km (0.052 R)
• M12: 2,917,906 km (0.101 R)
• M13: 3,122,407 km (0.109 R)
• M14: 3,279,036 km (0.106 R)
• M15: 3,600,222 km (0.11 R)
• M16: 4,331,158 km (0.105 R)
• M17: 4,477,165 km (0.106 R)
• M18: 4,624,669 km (0.11 R)
• M19: 4,924,762 km (0.096 R)
• M20: 5,895,353 km (0.111 R)
• M21: 6,319,912 km (0.114 R)
• M22: 6,992,653 km (0.074 R)
• M23: 7,547,362 km (0.088 R)
• M24: 8,735,917 km (0.09 R)
• M25: 8,958,369 km (0.103 R)
• M26: 9,182,616 km (0.083 R)
• M27: 9,598,798 km (0.044 R)
• M28: 10,021,113 km (0.03 R)
• M29: 10,176,096 km (0.03 R)
• M30: 10,293,081 km (0.057 R)
• M31: 11,083,407 km (0.116 R)
• M32: 11,485,975 km (0.117 R)
• M33: 11,729,819 km (0.119 R)
• M34: 12,098,877 km (0.078 R)
• M35: 12,347,060 km (0.107 R)
• M36: 13,356,696 km (0.092 R)
• M37: 13,914,547 km (0.083 R)
• M38: 14,261,763 km (0.085 R)
• M39: 14,392,662 km (0.094 R)
• M40: 15,768,812 km (0.098 R)
• M41: 15,994,855 km (0.114 R)
• M42: 16,633,039 km (0.057 R)
• M43: 18,217,879 km (0.094 R)
• M44: 18,597,708 km (0.119 R)
• M45: 18,693,152 km (0.038 R)
• M46: 20,981,251 km (0.107 R)
• M47: 21,180,067 km (0.115 R)
• M48: 21,379,480 km (0.112 R)
• M49: 21,880,783 km (0.076 R)
• M50: 21,981,612 km (0.098 R)
• M51: 22,082,441 km (0.048 R)
• M52: 22,335,261 km (0.102 R)
• M53: 22,895,057 km (0.077 R)
• M54: 23,408,028 km (0.097 R)
• M55: 23,562,562 km (0.109 R)
• M56: 23,821,067 km (0.117 R)
• M57: 24,028,560 km (0.069 R)
• M58: 24,392,980 km (0.071 R)
• M59: 25,709,591 km (0.098 R)
• M60: 26,028,982 km (0.062 R)
• M61: 27,211,553 km (0.103 R)
• M62: 28,301,673 km (0.12 R)
• M63: 30,299,852 km (0.082 R)
• M64: 32,688,182 km (0.065 R)
• M65: 33,671,938 km (0.089 R)
• M66: 34,489,490 km (0.117 R)
• M67: 35,550,139 km (0.102 R)
• M68: 35,787,251 km (0.077 R)
• M69: 36,144,042 km (0.048 R)
• M70: 36,741,237 km (0.073 R)
• M71: 36,981,042 km (0.072 R)
• M72: 37,161,158 km (0.112 R)
• M73: 38,005,937 km (0.116 R)
• M74: 38,127,112 km (0.11 R)
• M75: 38,674,042 km (0.029 R)
• M76: 39,284,850 km (0.03 R)
• M77: 40,207,121 km (0.066 R)
• M78: 41,447,736 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.5

Radius: 6.7

Gravity: 18.92 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 11.53 AU - 11.83 AU

Year: 15284 Days

Day: 16.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 78,333,849 km

• M1: 234,569 km (0.115 R)
• M2: 353,051 km (0.081 R)
• M3: 511,176 km (0.097 R)
• M4: 588,817 km (0.114 R)
• M5: 713,283 km (0.101 R)
• M6: 756,666 km (0.104 R)
• M7: 869,313 km (0.109 R)
• M8: 939,774 km (0.103 R)
• M9: 1,429,408 km (0.105 R)
• M10: 2,339,262 km (0.043 R)
• M11: 2,471,955 km (0.106 R)
• M12: 2,991,509 km (0.085 R)
• M13: 3,658,266 km (0.098 R)
• M14: 4,207,739 km (0.086 R)
• M15: 4,369,455 km (0.113 R)
• M16: 4,533,264 km (0.056 R)
• M17: 5,295,166 km (0.096 R)
• M18: 6,050,635 km (0.101 R)
• M19: 6,141,741 km (0.102 R)
• M20: 6,325,447 km (0.108 R)
• M21: 6,510,799 km (0.08 R)
• M22: 6,650,972 km (0.074 R)
• M23: 6,839,615 km (0.073 R)
• M24: 7,270,157 km (0.097 R)
• M25: 7,415,716 km (0.03 R)
• M26: 7,660,458 km (0.108 R)
• M27: 9,340,741 km (0.118 R)
• M28: 9,979,076 km (0.029 R)
• M29: 10,576,420 km (0.065 R)
• M30: 10,796,628 km (0.108 R)
• M31: 11,241,382 km (0.078 R)
• M32: 12,034,251 km (0.107 R)
• M33: 12,786,429 km (0.038 R)
• M34: 14,640,844 km (0.108 R)
• M35: 15,755,498 km (0.076 R)
• M36: 16,006,972 km (0.036 R)
• M37: 17,025,883 km (0.069 R)
• M38: 18,000,065 km (0.112 R)
• M39: 18,328,881 km (0.098 R)
• M40: 18,858,906 km (0.1 R)
• M41: 18,925,627 km (0.117 R)
• M42: 19,326,998 km (0.083 R)
• M43: 20,342,618 km (0.031 R)
• M44: 23,277,429 km (0.114 R)
• M45: 24,866,756 km (0.085 R)
• M46: 25,526,932 km (0.052 R)
• M47: 26,864,636 km (0.072 R)
• M48: 28,301,075 km (0.06 R)
• M49: 28,759,891 km (0.086 R)
• M50: 29,530,171 km (0.115 R)
• M51: 29,762,496 km (0.099 R)
• M52: 31,012,087 km (0.083 R)
• M53: 31,405,979 km (0.115 R)
• M54: 34,291,273 km (0.045 R)
• M55: 34,535,566 km (0.105 R)
• M56: 35,765,410 km (0.111 R)
• M57: 36,344,354 km (0.068 R)
• M58: 38,521,302 km (0.099 R)
• M59: 40,310,193 km (0.088 R)
• M60: 40,740,138 km (0.101 R)
• M61: 41,258,046 km (0.098 R)
• M62: 41,344,663 km (0.056 R)
• M63: 41,865,114 km (0.07 R)
• M64: 43,527,445 km (0.086 R)
• M65: 44,411,120 km (0.107 R)
• M66: 45,479,099 km (0.096 R)
• M67: 46,555,755 km (0.108 R)
• M68: 46,645,813 km (0.119 R)
• M69: 48,095,117 km (0.106 R)
• M70: 48,186,222 km (0.097 R)
• M71: 50,204,447 km (0.106 R)
• M72: 50,481,652 km (0.108 R)
• M73: 51,596,156 km (0.048 R)
• M74: 52,250,048 km (0.115 R)
• M75: 52,437,345 km (0.118 R)
• M76: 53,377,268 km (0.085 R)
• M77: 54,892,695 km (0.069 R)
• M78: 55,178,277 km (0.057 R)
• M79: 55,846,980 km (0.104 R)
• M80: 57,578,425 km (0.099 R)
• M81: 57,771,855 km (0.032 R)
• M82: 58,839,984 km (0.067 R)
• M83: 59,034,761 km (0.099 R)
• M84: 59,620,735 km (0.071 R)
• M85: 60,012,383 km (0.077 R)
• M86: 60,208,655 km (0.119 R)
• M87: 60,699,934 km (0.089 R)
• M88: 62,778,148 km (0.111 R)
• M89: 63,276,309 km (0.117 R)
• M90: 63,775,816 km (0.067 R)
• M91: 64,778,870 km (0.104 R)
• M92: 65,686,031 km (0.108 R)
• M93: 66,090,694 km (0.113 R)
• M94: 66,902,113 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.1

Radius: 4.8

Gravity: 18.02 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 13.41 AU - 20.59 AU

Year: 26838 Days

Day: 18.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 78,333,849 km

• M1: 72,555 km (0.112 R)
• M2: 297,849 km (0.091 R)
• M3: 426,504 km (0.094 R)
• M4: 507,735 km (0.077 R)
• M5: 1,417,141 km (0.099 R)
• M6: 1,603,540 km (0.076 R)
• M7: 2,033,783 km (0.095 R)
• M8: 2,208,364 km (0.084 R)
• M9: 2,497,836 km (0.059 R)
• M10: 2,572,186 km (0.064 R)
• M11: 2,876,468 km (0.097 R)
• M12: 3,395,124 km (0.061 R)
• M13: 3,602,317 km (0.051 R)
• M14: 3,813,549 km (0.103 R)
• M15: 3,899,268 km (0.118 R)
• M16: 4,471,331 km (0.085 R)
• M17: 6,593,526 km (0.095 R)
• M18: 7,972,071 km (0.117 R)
• M19: 8,976,770 km (0.043 R)
• M20: 10,317,316 km (0.071 R)
• M21: 10,798,124 km (0.083 R)
• M22: 11,471,015 km (0.086 R)
• M23: 11,843,813 km (0.09 R)
• M24: 12,031,708 km (0.114 R)
• M25: 12,220,650 km (0.119 R)
• M26: 13,050,320 km (0.12 R)
• M27: 14,162,430 km (0.115 R)
• M28: 14,696,345 km (0.107 R)
• M29: 15,033,240 km (0.094 R)
• M30: 17,249,532 km (0.109 R)
• M31: 17,320,292 km (0.062 R)
• M32: 18,831,230 km (0.11 R)
• M33: 19,713,259 km (0.079 R)
• M34: 20,458,706 km (0.093 R)
• M35: 20,910,342 km (0.12 R)
• M36: 20,985,888 km (0.112 R)
• M37: 21,289,123 km (0.09 R)
• M38: 21,593,854 km (0.101 R)
• M39: 24,162,450 km (0.109 R)
• M40: 24,719,552 km (0.098 R)
• M41: 25,120,026 km (0.047 R)
• M42: 25,361,327 km (0.083 R)
• M43: 25,522,743 km (0.12 R)
• M44: 25,684,458 km (0.045 R)
• M45: 26,008,787 km (0.117 R)
• M46: 26,090,018 km (0.108 R)
• M47: 26,661,482 km (0.115 R)
• M48: 27,154,706 km (0.059 R)
• M49: 27,733,800 km (0.088 R)
• M50: 28,652,031 km (0.041 R)
• M51: 29,326,119 km (0.112 R)
• M52: 30,090,714 km (0.098 R)
• M53: 30,518,265 km (0.057 R)
• M54: 30,861,742 km (0.11 R)
• M55: 30,947,910 km (0.105 R)
• M56: 31,292,883 km (0.113 R)
• M57: 32,074,083 km (0.057 R)
• M58: 32,423,394 km (0.108 R)
• M59: 32,510,908 km (0.073 R)
• M60: 36,165,734 km (0.086 R)
• M61: 38,272,222 km (0.037 R)
• M62: 39,107,277 km (0.036 R)
• M63: 39,387,025 km (0.07 R)
• M64: 39,854,668 km (0.083 R)
• M65: 40,418,203 km (0.107 R)
• M66: 40,512,300 km (0.111 R)
• M67: 42,220,109 km (0.074 R)
• M68: 42,315,702 km (0.115 R)
• M69: 43,468,055 km (0.109 R)
• M70: 48,179,789 km (0.076 R)
• M71: 48,779,976 km (0.086 R)
• M72: 51,103,680 km (0.075 R)
• M73: 53,566,809 km (0.108 R)
• M74: 54,708,540 km (0.062 R)
• M75: 55,648,613 km (0.101 R)
• M76: 56,173,103 km (0.101 R)
• M77: 58,075,240 km (0.108 R)
• M78: 58,500,696 km (0.11 R)
• M79: 59,140,975 km (0.079 R)
• M80: 61,075,724 km (0.075 R)
• M81: 61,508,361 km (0.053 R)
• M82: 61,725,129 km (0.067 R)
• M83: 62,594,741 km (0.096 R)
• M84: 66,224,135 km (0.098 R)
• M85: 70,260,585 km (0.075 R)
• M86: 71,282,189 km (0.112 R)
• M87: 75,301,135 km (0.102 R)
• M88: 75,416,924 km (0.061 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit