🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725

Radius: 14.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 326 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,189,531 km

• M1: 183,257 km (0.102 R)
• M2: 716,723 km (0.095 R)
• M3: 1,342,940 km (0.072 R)
• M4: 1,936,395 km (0.108 R)
• M5: 2,713,556 km (0.095 R)
• M6: 3,244,927 km (0.078 R)
• M7: 4,257,256 km (0.053 R)
• M8: 4,894,543 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.5

Radius: 8.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.29 AU - 2.43 AU

Year: 2418 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,189,531 km

• M1: 105,766 km (0.106 R)
• M2: 386,112 km (0.095 R)
• M3: 844,779 km (0.064 R)
• M4: 2,679,148 km (0.083 R)
• M5: 3,944,597 km (0.051 R)
• M6: 5,310,126 km (0.111 R)
• M7: 5,835,963 km (0.098 R)
• M8: 6,640,051 km (0.093 R)
• M9: 9,031,822 km (0.079 R)
• M10: 9,527,140 km (0.105 R)
• M11: 10,072,873 km (0.116 R)
• M12: 10,504,314 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 8.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.42 AU - 3.98 AU

Year: 3817 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,189,531 km

• M1: 115,190 km (0.098 R)
• M2: 449,542 km (0.093 R)
• M3: 737,518 km (0.106 R)
• M4: 1,202,617 km (0.085 R)
• M5: 1,548,039 km (0.053 R)
• M6: 1,911,412 km (0.042 R)
• M7: 2,399,849 km (0.104 R)
• M8: 3,133,178 km (0.116 R)
• M9: 4,128,153 km (0.112 R)
• M10: 5,248,192 km (0.036 R)
• M11: 6,503,767 km (0.112 R)
• M12: 12,973,127 km (0.101 R)
• M13: 14,521,465 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 8

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.27 AU - 4.09 AU

Year: 4708 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 94.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,189,531 km

• M1: 99,632 km (0.108 R)
• M2: 381,475 km (0.063 R)
• M3: 645,964 km (0.09 R)
• M4: 998,566 km (0.075 R)
• M5: 1,509,293 km (0.087 R)
• M6: 2,597,917 km (0.096 R)
• M7: 3,116,273 km (0.114 R)
• M8: 3,372,086 km (0.118 R)
• M9: 4,403,264 km (0.107 R)
• M10: 5,317,456 km (0.07 R)
• M11: 5,604,385 km (0.087 R)
• M12: 6,586,944 km (0.116 R)
• M13: 7,420,204 km (0.086 R)
• M14: 7,845,511 km (0.109 R)
• M15: 11,900,062 km (0.104 R)
• M16: 14,098,702 km (0.109 R)
• M17: 16,390,092 km (0.115 R)
• M18: 18,263,656 km (0.097 R)
• M19: 19,589,243 km (0.084 R)
• M20: 20,784,829 km (0.114 R)
• M21: 21,564,533 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.4

Radius: 14.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.45 AU - 5.87 AU

Year: 7816 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,189,531 km

• M1: 180,265 km (0.1 R)
• M2: 645,964 km (0.08 R)
• M3: 1,215,931 km (0.055 R)
• M4: 1,669,961 km (0.032 R)
• M5: 3,084,558 km (0.11 R)
• M6: 3,735,309 km (0.104 R)
• M7: 4,210,282 km (0.08 R)
• M8: 4,897,385 km (0.113 R)
• M9: 5,755,030 km (0.111 R)
• M10: 6,288,795 km (0.11 R)
• M11: 7,651,333 km (0.074 R)
• M12: 8,507,781 km (0.037 R)
• M13: 9,982,068 km (0.091 R)
• M14: 10,854,971 km (0.086 R)
• M15: 11,990,419 km (0.107 R)
• M16: 15,363,552 km (0.118 R)
• M17: 17,959,224 km (0.068 R)
• M18: 18,525,901 km (0.119 R)
• M19: 22,915,103 km (0.109 R)
• M20: 28,715,760 km (0.097 R)
• M21: 31,084,343 km (0.103 R)
• M22: 33,794,309 km (0.062 R)
• M23: 34,333,011 km (0.087 R)
• M24: 35,871,774 km (0.076 R)
• M25: 37,801,736 km (0.039 R)
• M26: 39,086,782 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.9

Radius: 4.3

Gravity: 37.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.76 AU - 7.2 AU

Year: 9752 Days

Day: 20.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,189,531 km

• M1: 55,351 km (0.028 R)
• M2: 294,857 km (0.058 R)
• M3: 977,024 km (0.062 R)
• M4: 1,652,308 km (0.05 R)
• M5: 2,018,674 km (0.09 R)
• M6: 3,323,466 km (0.073 R)
• M7: 4,012,963 km (0.089 R)
• M8: 5,635,352 km (0.083 R)
• M9: 8,747,735 km (0.119 R)
• M10: 10,769,700 km (0.099 R)
• M11: 12,725,393 km (0.057 R)
• M12: 15,639,410 km (0.09 R)
• M13: 15,843,611 km (0.058 R)
• M14: 17,541,697 km (0.084 R)
• M15: 18,662,334 km (0.118 R)
• M16: 25,642,870 km (0.089 R)
• M17: 25,926,807 km (0.099 R)
• M18: 26,404,772 km (0.095 R)
• M19: 26,597,604 km (0.101 R)
• M20: 29,190,434 km (0.053 R)
• M21: 45,533,254 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 4

Gravity: 18.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.87 AU - 10.41 AU

Year: 18427 Days

Day: 20.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,189,531 km

• M1: 54,304 km (0.049 R)
• M2: 263,292 km (0.062 R)
• M3: 642,074 km (0.11 R)
• M4: 926,460 km (0.089 R)
• M5: 1,276,818 km (0.092 R)
• M6: 1,741,918 km (0.112 R)
• M7: 2,390,873 km (0.091 R)
• M8: 2,617,963 km (0.048 R)
• M9: 2,769,954 km (0.083 R)
• M10: 3,187,781 km (0.116 R)
• M11: 3,593,191 km (0.12 R)
• M12: 3,835,989 km (0.057 R)
• M13: 5,115,948 km (0.104 R)
• M14: 8,247,630 km (0.12 R)
• M15: 9,205,505 km (0.086 R)
• M16: 10,613,071 km (0.079 R)
• M17: 10,777,779 km (0.104 R)
• M18: 12,278,096 km (0.104 R)
• M19: 15,756,695 km (0.103 R)
• M20: 16,043,025 km (0.047 R)
• M21: 16,774,409 km (0.087 R)
• M22: 17,680,972 km (0.113 R)
• M23: 21,722,808 km (0.083 R)
• M24: 23,722,183 km (0.117 R)
• M25: 25,250,924 km (0.11 R)
• M26: 29,791,668 km (0.101 R)
• M27: 30,671,752 km (0.071 R)
• M28: 40,579,470 km (0.069 R)
• M29: 43,597,457 km (0.071 R)
• M30: 45,304,967 km (0.061 R)
• M31: 46,175,328 km (0.074 R)
• M32: 49,614,583 km (0.082 R)
• M33: 50,229,729 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit