🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.27 AU - 1.35 AU

Year: 545 Days

Day: 26.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.97 AU - 2.67 AU

Year: 1284 Days

Day: 18.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,035,199 km

• M1: 1,454,390 km (0.034 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.96 AU - 3.08 AU

Year: 1454 Days

Day: 21.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.18 AU - 3.9 AU

Year: 2421 Days

Day: 42 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.04 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.9

Radius: 4.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 10.96 AU - 14.1 AU

Year: 16120 Days

Day: 16.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 61,035,199 km

• M1: 63,130 km (0.077 R)
• M2: 148,551 km (0.111 R)
• M3: 230,381 km (0.092 R)
• M4: 316,848 km (0.113 R)
• M5: 425,456 km (0.099 R)
• M6: 520,750 km (0.03 R)
• M7: 704,008 km (0.115 R)
• M8: 731,833 km (0.095 R)
• M9: 774,169 km (0.073 R)
• M10: 906,413 km (0.043 R)
• M11: 1,061,696 km (0.116 R)
• M12: 1,414,747 km (0.111 R)
• M13: 1,744,311 km (0.11 R)
• M14: 1,820,606 km (0.093 R)
• M15: 1,976,786 km (0.117 R)
• M16: 2,322,657 km (0.078 R)
• M17: 2,385,637 km (0.116 R)
• M18: 2,449,216 km (0.095 R)
• M19: 2,709,217 km (0.063 R)
• M20: 3,372,983 km (0.089 R)
• M21: 3,420,555 km (0.082 R)
• M22: 3,759,694 km (0.05 R)
• M23: 4,653,840 km (0.101 R)
• M24: 5,001,954 km (0.103 R)
• M25: 5,220,367 km (0.055 R)
• M26: 6,270,395 km (0.105 R)
• M27: 9,212,985 km (0.028 R)
• M28: 10,057,315 km (0.096 R)
• M29: 10,785,558 km (0.058 R)
• M30: 11,316,032 km (0.074 R)
• M31: 11,638,415 km (0.061 R)
• M32: 11,782,627 km (0.042 R)
• M33: 12,439,063 km (0.063 R)
• M34: 12,549,616 km (0.114 R)
• M35: 13,032,368 km (0.105 R)
• M36: 13,069,768 km (0.11 R)
• M37: 13,144,716 km (0.113 R)
• M38: 13,634,948 km (0.037 R)
• M39: 13,786,940 km (0.081 R)
• M40: 14,092,867 km (0.105 R)
• M41: 14,906,081 km (0.047 R)
• M42: 16,094,188 km (0.056 R)
• M43: 16,174,522 km (0.049 R)
• M44: 18,266,199 km (0.03 R)
• M45: 18,897,502 km (0.057 R)
• M46: 18,939,838 km (0.089 R)
• M47: 19,965,332 km (0.054 R)
• M48: 20,964,945 km (0.116 R)
• M49: 21,404,463 km (0.099 R)
• M50: 21,936,134 km (0.12 R)
• M51: 22,248,195 km (0.111 R)
• M52: 22,921,984 km (0.054 R)
• M53: 23,374,817 km (0.085 R)
• M54: 24,335,534 km (0.062 R)
• M55: 24,519,989 km (0.111 R)
• M56: 25,683,262 km (0.106 R)
• M57: 26,531,781 km (0.118 R)
• M58: 27,245,961 km (0.114 R)
• M59: 28,547,313 km (0.108 R)
• M60: 28,693,171 km (0.101 R)
• M61: 28,936,866 km (0.05 R)
• M62: 29,622,622 km (0.051 R)
• M63: 30,115,697 km (0.052 R)
• M64: 30,165,214 km (0.116 R)
• M65: 30,412,948 km (0.11 R)
• M66: 30,611,614 km (0.049 R)
• M67: 30,910,361 km (0.118 R)
• M68: 33,591,454 km (0.116 R)
• M69: 34,208,695 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.3

Radius: 4.4

Gravity: 21.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 13.39 AU - 14.19 AU

Year: 18611 Days

Day: 16.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 61,035,199 km

• M1: 542,591 km (0.109 R)
• M2: 617,540 km (0.107 R)
• M3: 1,184,067 km (0.048 R)
• M4: 1,232,836 km (0.111 R)
• M5: 2,159,296 km (0.04 R)
• M6: 2,340,459 km (0.095 R)
• M7: 2,463,877 km (0.041 R)
• M8: 2,589,689 km (0.095 R)
• M9: 2,685,282 km (0.064 R)
• M10: 3,214,858 km (0.074 R)
• M11: 3,456,608 km (0.088 R)
• M12: 3,526,770 km (0.108 R)
• M13: 3,812,053 km (0.075 R)
• M14: 4,104,666 km (0.046 R)
• M15: 4,141,767 km (0.079 R)
• M16: 4,442,608 km (0.109 R)
• M17: 4,750,480 km (0.105 R)
• M18: 5,923,178 km (0.101 R)
• M19: 6,261,568 km (0.097 R)
• M20: 6,781,122 km (0.065 R)
• M21: 7,540,481 km (0.101 R)
• M22: 7,953,371 km (0.095 R)
• M23: 8,610,105 km (0.091 R)
• M24: 9,528,786 km (0.055 R)
• M25: 9,578,004 km (0.045 R)
• M26: 10,225,463 km (0.117 R)
• M27: 10,275,878 km (0.03 R)
• M28: 10,478,284 km (0.117 R)
• M29: 10,529,147 km (0.074 R)
• M30: 11,353,132 km (0.085 R)
• M31: 13,281,449 km (0.118 R)
• M32: 13,391,553 km (0.085 R)
• M33: 14,622,145 km (0.076 R)
• M34: 16,005,327 km (0.086 R)
• M35: 16,534,604 km (0.078 R)
• M36: 17,913,447 km (0.07 R)
• M37: 18,340,250 km (0.111 R)
• M38: 18,647,225 km (0.096 R)
• M39: 19,017,779 km (0.091 R)
• M40: 19,640,854 km (0.074 R)
• M41: 19,892,029 km (0.112 R)
• M42: 20,779,294 km (0.085 R)
• M43: 20,843,023 km (0.096 R)
• M44: 20,971,078 km (0.095 R)
• M45: 21,356,442 km (0.108 R)
• M46: 22,199,277 km (0.119 R)
• M47: 24,522,233 km (0.107 R)
• M48: 25,746,542 km (0.095 R)
• M49: 26,021,353 km (0.081 R)
• M50: 26,090,168 km (0.104 R)
• M51: 26,851,471 km (0.109 R)
• M52: 27,901,349 km (0.08 R)
• M53: 28,112,881 km (0.056 R)
• M54: 28,325,010 km (0.091 R)
• M55: 28,395,920 km (0.116 R)
• M56: 28,679,707 km (0.079 R)
• M57: 28,964,541 km (0.047 R)
• M58: 29,035,900 km (0.058 R)
• M59: 31,130,419 km (0.103 R)
• M60: 31,203,573 km (0.116 R)
• M61: 34,173,689 km (0.086 R)
• M62: 34,400,030 km (0.108 R)
• M63: 35,768,701 km (0.114 R)
• M64: 36,151,971 km (0.048 R)
• M65: 36,305,758 km (0.067 R)
• M66: 36,690,972 km (0.056 R)
• M67: 37,000,191 km (0.069 R)
• M68: 38,637,390 km (0.046 R)
• M69: 40,696,904 km (0.118 R)
• M70: 41,659,566 km (0.09 R)
• M71: 41,820,683 km (0.093 R)
• M72: 41,982,099 km (0.079 R)
• M73: 42,467,395 km (0.115 R)
• M74: 44,509,555 km (0.107 R)
• M75: 44,674,263 km (0.067 R)
• M76: 45,750,021 km (0.12 R)
• M77: 45,999,550 km (0.12 R)
• M78: 46,082,726 km (0.111 R)
• M79: 46,583,431 km (0.056 R)
• M80: 47,001,856 km (0.066 R)
• M81: 48,011,492 km (0.093 R)
• M82: 50,309,166 km (0.112 R)
• M83: 51,082,886 km (0.09 R)
• M84: 52,903,641 km (0.077 R)
• M85: 53,427,832 km (0.1 R)
• M86: 54,569,264 km (0.116 R)
• M87: 55,010,428 km (0.047 R)
• M88: 56,430,112 km (0.088 R)
• M89: 56,608,433 km (0.101 R)
• M90: 57,144,591 km (0.119 R)
• M91: 57,502,878 km (0.057 R)
• M92: 58,943,506 km (0.114 R)
• M93: 59,759,113 km (0.079 R)
• M94: 59,940,875 km (0.043 R)
• M95: 60,669,716 km (0.084 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 11,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit