🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.5

Radius: 14.2

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,261,772 km

• M1: 176,525 km (0.096 R)
• M2: 682,017 km (0.075 R)
• M3: 1,226,553 km (0.103 R)
• M4: 2,243,818 km (0.079 R)
• M5: 2,843,856 km (0.07 R)
• M6: 3,529,762 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 13.1

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.16 AU - 1.36 AU

Year: 943 Days

Day: 5.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,261,772 km

• M1: 162,912 km (0.114 R)
• M2: 742,005 km (0.113 R)
• M3: 1,411,905 km (0.067 R)
• M4: 2,010,147 km (0.103 R)
• M5: 2,671,818 km (0.059 R)
• M6: 3,161,153 km (0.065 R)
• M7: 3,598,278 km (0.101 R)
• M8: 4,228,982 km (0.077 R)
• M9: 5,124,625 km (0.1 R)
• M10: 5,731,992 km (0.11 R)
• M11: 7,003,275 km (0.109 R)
• M12: 7,566,062 km (0.043 R)
• M13: 7,990,022 km (0.115 R)
• M14: 8,454,524 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 11.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.9 AU - 2.28 AU

Year: 2015 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,261,772 km

• M1: 139,276 km (0.093 R)
• M2: 497,862 km (0.108 R)
• M3: 1,027,289 km (0.104 R)
• M4: 1,404,724 km (0.083 R)
• M5: 1,834,070 km (0.097 R)
• M6: 2,204,025 km (0.119 R)
• M7: 3,143,949 km (0.028 R)
• M8: 3,527,667 km (0.109 R)
• M9: 4,449,041 km (0.102 R)
• M10: 4,998,065 km (0.115 R)
• M11: 5,569,230 km (0.073 R)
• M12: 6,134,560 km (0.096 R)
• M13: 6,557,922 km (0.075 R)
• M14: 7,325,209 km (0.103 R)
• M15: 7,688,134 km (0.095 R)
• M16: 8,121,818 km (0.085 R)
• M17: 11,519,186 km (0.109 R)
• M18: 11,972,766 km (0.099 R)
• M19: 13,447,053 km (0.101 R)
• M20: 14,553,030 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 10.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.85 AU - 2.43 AU

Year: 2088 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,261,772 km

• M1: 130,898 km (0.068 R)
• M2: 914,492 km (0.081 R)
• M3: 1,402,779 km (0.082 R)
• M4: 1,965,267 km (0.111 R)
• M5: 3,184,340 km (0.082 R)
• M6: 4,342,228 km (0.111 R)
• M7: 4,894,543 km (0.09 R)
• M8: 5,374,453 km (0.113 R)
• M9: 6,088,633 km (0.099 R)
• M10: 7,556,039 km (0.118 R)
• M11: 8,711,682 km (0.052 R)
• M12: 9,110,660 km (0.061 R)
• M13: 11,409,979 km (0.093 R)
• M14: 14,949,315 km (0.117 R)
• M15: 15,765,222 km (0.07 R)
• M16: 17,433,537 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 12

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.36 AU - 2.8 AU

Year: 2763 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,261,772 km

• M1: 150,047 km (0.094 R)
• M2: 627,713 km (0.06 R)
• M3: 1,017,864 km (0.039 R)
• M4: 1,410,558 km (0.115 R)
• M5: 1,814,323 km (0.098 R)
• M6: 2,447,421 km (0.095 R)
• M7: 3,613,836 km (0.105 R)
• M8: 4,469,984 km (0.083 R)
• M9: 7,186,532 km (0.054 R)
• M10: 10,390,919 km (0.064 R)
• M11: 15,071,088 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.4

Radius: 8.8

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.05 AU - 3.27 AU

Year: 3746 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,261,772 km

• M1: 111,301 km (0.1 R)
• M2: 525,687 km (0.119 R)
• M3: 940,372 km (0.096 R)
• M4: 1,243,757 km (0.053 R)
• M5: 1,531,433 km (0.114 R)
• M6: 2,398,802 km (0.096 R)
• M7: 3,126,296 km (0.04 R)
• M8: 3,993,366 km (0.073 R)
• M9: 5,306,087 km (0.072 R)
• M10: 6,534,734 km (0.109 R)
• M11: 7,521,631 km (0.086 R)
• M12: 8,604,720 km (0.12 R)
• M13: 8,987,840 km (0.12 R)
• M14: 11,856,230 km (0.059 R)
• M15: 12,818,593 km (0.037 R)
• M16: 13,471,438 km (0.039 R)
• M17: 14,358,553 km (0.079 R)
• M18: 17,313,859 km (0.117 R)
• M19: 17,617,692 km (0.035 R)
• M20: 17,925,266 km (0.082 R)
• M21: 19,062,060 km (0.091 R)
• M22: 20,313,446 km (0.12 R)
• M23: 23,867,293 km (0.07 R)
• M24: 24,854,938 km (0.115 R)
• M25: 27,237,883 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.8

Radius: 7.6

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.96 AU - 7.12 AU

Year: 11153 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,261,772 km

• M1: 94,995 km (0.115 R)
• M2: 486,343 km (0.078 R)
• M3: 1,012,778 km (0.05 R)
• M4: 2,402,093 km (0.054 R)
• M5: 3,000,634 km (0.052 R)
• M6: 3,395,273 km (0.101 R)
• M7: 4,065,621 km (0.088 R)
• M8: 4,520,249 km (0.097 R)
• M9: 4,759,905 km (0.104 R)
• M10: 7,523,726 km (0.111 R)
• M11: 9,605,380 km (0.028 R)
• M12: 10,154,853 km (0.084 R)
• M13: 12,043,377 km (0.101 R)
• M14: 12,623,368 km (0.076 R)
• M15: 14,282,258 km (0.093 R)
• M16: 20,857,534 km (0.059 R)
• M17: 24,427,088 km (0.051 R)
• M18: 30,673,847 km (0.086 R)
• M19: 41,588,956 km (0.073 R)
• M20: 47,762,561 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.7

Radius: 7.5

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.45 AU - 9.05 AU

Year: 15802 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,261,772 km

• M1: 96,042 km (0.069 R)
• M2: 395,986 km (0.108 R)
• M3: 680,222 km (0.092 R)
• M4: 1,152,203 km (0.102 R)
• M5: 1,545,795 km (0.115 R)
• M6: 1,809,237 km (0.092 R)
• M7: 2,810,346 km (0.052 R)
• M8: 4,079,085 km (0.083 R)
• M9: 6,122,891 km (0.051 R)
• M10: 6,963,033 km (0.025 R)
• M11: 9,290,177 km (0.098 R)
• M12: 10,112,517 km (0.111 R)
• M13: 11,344,007 km (0.029 R)
• M14: 11,775,896 km (0.092 R)
• M15: 12,738,259 km (0.081 R)
• M16: 13,204,854 km (0.11 R)
• M17: 14,243,213 km (0.039 R)
• M18: 14,746,012 km (0.089 R)
• M19: 15,786,914 km (0.111 R)
• M20: 17,520,454 km (0.071 R)
• M21: 18,014,276 km (0.102 R)
• M22: 18,348,777 km (0.087 R)
• M23: 22,984,217 km (0.119 R)
• M24: 25,728,291 km (0.085 R)
• M25: 27,233,694 km (0.117 R)
• M26: 30,655,895 km (0.07 R)
• M27: 31,012,985 km (0.049 R)
• M28: 32,965,387 km (0.083 R)
• M29: 34,610,814 km (0.108 R)
• M30: 39,451,801 km (0.118 R)
• M31: 44,878,464 km (0.108 R)
• M32: 45,185,289 km (0.102 R)
• M33: 52,123,638 km (0.108 R)
• M34: 61,611,135 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 15,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit