🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 11.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.89 AU - 1.05 AU

Year: 659 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,276,330 km

• M1: 145,559 km (0.098 R)
• M2: 542,143 km (0.115 R)
• M3: 1,102,686 km (0.065 R)
• M4: 1,574,966 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 12.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.19 AU - 2.45 AU

Year: 2439 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,276,330 km

• M1: 151,692 km (0.096 R)
• M2: 760,556 km (0.088 R)
• M3: 1,465,910 km (0.039 R)
• M4: 2,182,483 km (0.029 R)
• M5: 3,245,825 km (0.103 R)
• M6: 3,657,518 km (0.089 R)
• M7: 4,216,715 km (0.052 R)
• M8: 4,770,377 km (0.109 R)
• M9: 5,462,117 km (0.109 R)
• M10: 6,096,712 km (0.105 R)
• M11: 6,624,044 km (0.051 R)
• M12: 7,019,132 km (0.088 R)
• M13: 7,712,668 km (0.089 R)
• M14: 8,451,532 km (0.086 R)
• M15: 10,173,852 km (0.116 R)
• M16: 10,629,976 km (0.057 R)
• M17: 12,472,872 km (0.118 R)
• M18: 13,077,397 km (0.085 R)
• M19: 13,491,185 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 14.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.87 AU - 4.27 AU

Year: 4656 Days

Day: 6.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,276,330 km

• M1: 180,415 km (0.082 R)
• M2: 703,409 km (0.04 R)
• M3: 1,219,073 km (0.061 R)
• M4: 1,687,314 km (0.089 R)
• M5: 2,247,558 km (0.059 R)
• M6: 2,875,869 km (0.05 R)
• M7: 3,407,092 km (0.077 R)
• M8: 4,669,847 km (0.105 R)
• M9: 5,154,245 km (0.045 R)
• M10: 6,417,599 km (0.094 R)
• M11: 7,878,422 km (0.104 R)
• M12: 11,741,039 km (0.118 R)
• M13: 12,745,739 km (0.119 R)
• M14: 13,269,182 km (0.092 R)
• M15: 13,807,135 km (0.069 R)
• M16: 14,471,649 km (0.082 R)
• M17: 16,594,443 km (0.097 R)
• M18: 18,383,634 km (0.102 R)
• M19: 21,523,693 km (0.059 R)
• M20: 25,414,434 km (0.11 R)
• M21: 27,612,326 km (0.081 R)
• M22: 30,118,240 km (0.066 R)
• M23: 30,861,293 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.6

Radius: 9.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.64 AU - 5.92 AU

Year: 8375 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,276,330 km

• M1: 121,922 km (0.065 R)
• M2: 511,774 km (0.095 R)
• M3: 828,174 km (0.025 R)
• M4: 2,005,509 km (0.084 R)
• M5: 2,524,464 km (0.077 R)
• M6: 4,061,582 km (0.113 R)
• M7: 4,382,320 km (0.084 R)
• M8: 7,836,984 km (0.047 R)
• M9: 9,261,305 km (0.099 R)
• M10: 9,772,331 km (0.058 R)
• M11: 12,391,640 km (0.097 R)
• M12: 17,182,363 km (0.104 R)
• M13: 20,487,728 km (0.071 R)
• M14: 33,768,279 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.7

Radius: 7.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.73 AU - 6.89 AU

Year: 12267 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,276,330 km

• M1: 93,349 km (0.029 R)
• M2: 379,081 km (0.093 R)
• M3: 898,934 km (0.065 R)
• M4: 1,194,988 km (0.043 R)
• M5: 1,670,111 km (0.118 R)
• M6: 3,234,306 km (0.085 R)
• M7: 5,071,817 km (0.039 R)
• M8: 7,333,288 km (0.104 R)
• M9: 8,113,740 km (0.093 R)
• M10: 11,844,411 km (0.104 R)
• M11: 12,604,069 km (0.075 R)
• M12: 13,996,826 km (0.083 R)
• M13: 16,770,071 km (0.118 R)
• M14: 17,727,048 km (0.097 R)
• M15: 18,054,069 km (0.119 R)
• M16: 18,991,001 km (0.107 R)
• M17: 22,909,568 km (0.052 R)
• M18: 23,611,182 km (0.076 R)
• M19: 26,391,308 km (0.092 R)
• M20: 26,903,531 km (0.079 R)
• M21: 28,391,133 km (0.05 R)
• M22: 30,396,343 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.8

Radius: 4.7

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.62 AU - 10.04 AU

Year: 16595 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,276,330 km

• M1: 58,493 km (0.062 R)
• M2: 238,459 km (0.04 R)
• M3: 401,521 km (0.09 R)
• M4: 564,283 km (0.084 R)
• M5: 1,017,864 km (0.103 R)
• M6: 1,383,780 km (0.074 R)
• M7: 2,560,517 km (0.112 R)
• M8: 2,941,992 km (0.099 R)
• M9: 3,158,759 km (0.12 R)
• M10: 3,490,567 km (0.106 R)
• M11: 3,733,813 km (0.118 R)
• M12: 4,375,887 km (0.076 R)
• M13: 6,618,509 km (0.087 R)
• M14: 8,007,675 km (0.112 R)
• M15: 8,721,257 km (0.072 R)
• M16: 9,018,208 km (0.089 R)
• M17: 9,684,817 km (0.117 R)
• M18: 12,184,896 km (0.095 R)
• M19: 15,297,130 km (0.116 R)
• M20: 16,317,537 km (0.086 R)
• M21: 18,331,573 km (0.117 R)
• M22: 18,493,139 km (0.076 R)
• M23: 19,314,731 km (0.057 R)
• M24: 20,679,512 km (0.113 R)
• M25: 21,296,304 km (0.082 R)
• M26: 22,752,191 km (0.078 R)
• M27: 23,032,387 km (0.094 R)
• M28: 25,961,813 km (0.09 R)
• M29: 26,783,105 km (0.073 R)
• M30: 27,621,452 km (0.079 R)
• M31: 27,940,245 km (0.064 R)
• M32: 33,141,613 km (0.108 R)
• M33: 43,515,926 km (0.082 R)
• M34: 48,115,462 km (0.069 R)
• M35: 52,539,071 km (0.118 R)
• M36: 55,352,858 km (0.109 R)
• M37: 55,521,455 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.5

Radius: 5.9

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.02 AU - 13.06 AU

Year: 23620 Days

Day: 18 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,276,330 km

• M1: 73,453 km (0.081 R)
• M2: 570,117 km (0.098 R)
• M3: 964,607 km (0.114 R)
• M4: 2,116,511 km (0.1 R)
• M5: 2,674,960 km (0.032 R)
• M6: 3,469,324 km (0.078 R)
• M7: 3,675,320 km (0.1 R)
• M8: 4,940,619 km (0.082 R)
• M9: 5,834,167 km (0.12 R)
• M10: 7,393,725 km (0.073 R)
• M11: 7,785,672 km (0.047 R)
• M12: 8,990,383 km (0.11 R)
• M13: 9,437,082 km (0.111 R)
• M14: 10,991,404 km (0.055 R)
• M15: 13,850,519 km (0.112 R)
• M16: 14,904,137 km (0.063 R)
• M17: 17,084,974 km (0.071 R)
• M18: 17,425,160 km (0.089 R)
• M19: 22,674,848 km (0.096 R)
• M20: 23,085,794 km (0.094 R)
• M21: 23,501,676 km (0.08 R)
• M22: 24,887,850 km (0.077 R)
• M23: 25,325,124 km (0.099 R)
• M24: 26,781,609 km (0.112 R)
• M25: 28,056,931 km (0.05 R)
• M26: 31,612,274 km (0.119 R)
• M27: 34,231,882 km (0.044 R)
• M28: 42,796,510 km (0.074 R)
• M29: 44,057,620 km (0.089 R)
• M30: 45,181,250 km (0.082 R)
• M31: 45,995,511 km (0.059 R)
• M32: 54,315,845 km (0.075 R)
• M33: 55,607,174 km (0.097 R)
• M34: 61,573,137 km (0.053 R)
• M35: 71,190,186 km (0.074 R)
• M36: 76,814,019 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 16,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit