🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 10.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 506 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,395,441 km

• M1: 133,142 km (0.113 R)
• M2: 510,727 km (0.109 R)
• M3: 896,091 km (0.069 R)
• M4: 1,285,794 km (0.081 R)
• M5: 2,190,412 km (0.102 R)
• M6: 2,689,321 km (0.066 R)
• M7: 3,230,416 km (0.086 R)
• M8: 3,603,065 km (0.084 R)
• M9: 3,941,754 km (0.114 R)
• M10: 4,726,096 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 13.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.73 AU - 1.05 AU

Year: 542 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,395,441 km

• M1: 171,888 km (0.097 R)
• M2: 1,003,503 km (0.102 R)
• M3: 1,611,319 km (0.081 R)
• M4: 2,279,572 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 11.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.49 AU - 2.03 AU

Year: 1508 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,395,441 km

• M1: 138,079 km (0.066 R)
• M2: 656,136 km (0.092 R)
• M3: 1,125,126 km (0.087 R)
• M4: 1,495,979 km (0.096 R)
• M5: 1,866,233 km (0.117 R)
• M6: 2,274,636 km (0.06 R)
• M7: 2,852,233 km (0.077 R)
• M8: 3,244,179 km (0.085 R)
• M9: 3,755,655 km (0.102 R)
• M10: 4,981,609 km (0.107 R)
• M11: 5,444,615 km (0.065 R)
• M12: 6,957,199 km (0.104 R)
• M13: 7,322,367 km (0.106 R)
• M14: 8,673,236 km (0.09 R)
• M15: 9,471,041 km (0.109 R)
• M16: 9,985,957 km (0.107 R)
• M17: 10,587,341 km (0.102 R)
• M18: 11,071,589 km (0.066 R)
• M19: 11,426,585 km (0.094 R)
• M20: 12,084,666 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.2

Radius: 14.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.15 AU - 2.26 AU

Year: 2107 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,395,441 km

• M1: 185,352 km (0.108 R)
• M2: 681,568 km (0.056 R)
• M3: 1,264,700 km (0.117 R)
• M4: 3,114,628 km (0.117 R)
• M5: 3,754,009 km (0.081 R)
• M6: 4,417,775 km (0.064 R)
• M7: 5,228,595 km (0.099 R)
• M8: 6,293,732 km (0.087 R)
• M9: 6,892,423 km (0.103 R)
• M10: 7,469,422 km (0.067 R)
• M11: 8,141,415 km (0.095 R)
• M12: 8,953,732 km (0.094 R)
• M13: 9,963,218 km (0.067 R)
• M14: 11,839,923 km (0.068 R)
• M15: 12,417,072 km (0.098 R)
• M16: 12,926,602 km (0.056 R)
• M17: 13,672,497 km (0.108 R)
• M18: 16,334,292 km (0.112 R)
• M19: 16,998,507 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 11

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.98 AU - 3.68 AU

Year: 3924 Days

Day: 6.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,395,441 km

• M1: 136,882 km (0.099 R)
• M2: 551,717 km (0.085 R)
• M3: 1,165,966 km (0.066 R)
• M4: 1,514,678 km (0.078 R)
• M5: 1,955,693 km (0.066 R)
• M6: 2,308,594 km (0.099 R)
• M7: 2,691,116 km (0.119 R)
• M8: 3,101,164 km (0.112 R)
• M9: 5,284,844 km (0.077 R)
• M10: 8,370,300 km (0.072 R)
• M11: 9,408,509 km (0.075 R)
• M12: 13,038,950 km (0.075 R)
• M13: 13,764,500 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.6

Radius: 4.6

Gravity: 37.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.57 AU - 8.07 AU

Year: 11500 Days

Day: 16.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,395,441 km

• M1: 57,296 km (0.11 R)
• M2: 304,132 km (0.069 R)
• M3: 510,278 km (0.104 R)
• M4: 725,998 km (0.031 R)
• M5: 1,091,765 km (0.057 R)
• M6: 1,497,325 km (0.103 R)
• M7: 2,050,538 km (0.112 R)
• M8: 2,774,293 km (0.108 R)
• M9: 3,026,066 km (0.092 R)
• M10: 3,218,598 km (0.061 R)
• M11: 3,368,346 km (0.081 R)
• M12: 3,790,511 km (0.099 R)
• M13: 4,901,125 km (0.107 R)
• M14: 5,512,981 km (0.078 R)
• M15: 6,969,466 km (0.111 R)
• M16: 7,178,603 km (0.104 R)
• M17: 7,965,937 km (0.098 R)
• M18: 8,240,748 km (0.11 R)
• M19: 8,569,265 km (0.044 R)
• M20: 8,809,220 km (0.05 R)
• M21: 9,762,308 km (0.063 R)
• M22: 9,918,788 km (0.102 R)
• M23: 10,507,156 km (0.119 R)
• M24: 12,718,961 km (0.098 R)
• M25: 16,149,389 km (0.111 R)
• M26: 19,400,301 km (0.108 R)
• M27: 19,565,158 km (0.083 R)
• M28: 19,730,912 km (0.104 R)
• M29: 20,917,821 km (0.113 R)
• M30: 21,178,122 km (0.074 R)
• M31: 22,422,028 km (0.101 R)
• M32: 27,468,563 km (0.117 R)
• M33: 34,898,191 km (0.058 R)
• M34: 36,004,767 km (0.083 R)
• M35: 40,531,000 km (0.114 R)
• M36: 44,557,127 km (0.079 R)
• M37: 48,084,047 km (0.097 R)
• M38: 48,386,234 km (0.039 R)
• M39: 54,041,782 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.6

Radius: 3.9

Gravity: 53.56 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.42 AU - 7.38 AU

Year: 11703 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,395,441 km

• M1: 48,769 km (0.084 R)
• M2: 315,652 km (0.067 R)
• M3: 506,090 km (0.088 R)
• M4: 1,325,587 km (0.092 R)
• M5: 1,554,771 km (0.059 R)
• M6: 1,678,937 km (0.093 R)
• M7: 1,964,968 km (0.071 R)
• M8: 2,091,977 km (0.108 R)
• M9: 2,743,625 km (0.118 R)
• M10: 3,189,427 km (0.092 R)
• M11: 4,163,758 km (0.082 R)
• M12: 4,373,943 km (0.063 R)
• M13: 5,013,922 km (0.116 R)
• M14: 5,898,644 km (0.087 R)
• M15: 6,125,584 km (0.105 R)
• M16: 6,718,291 km (0.106 R)
• M17: 8,532,614 km (0.116 R)
• M18: 9,681,226 km (0.075 R)
• M19: 10,265,406 km (0.11 R)
• M20: 10,593,773 km (0.105 R)
• M21: 13,673,395 km (0.079 R)
• M22: 15,380,307 km (0.061 R)
• M23: 17,765,794 km (0.098 R)
• M24: 18,558,962 km (0.118 R)
• M25: 19,792,546 km (0.112 R)
• M26: 22,696,989 km (0.12 R)
• M27: 23,160,443 km (0.033 R)
• M28: 23,441,538 km (0.112 R)
• M29: 25,873,101 km (0.059 R)
• M30: 26,890,965 km (0.118 R)
• M31: 28,574,839 km (0.041 R)
• M32: 29,223,944 km (0.118 R)
• M33: 32,500,437 km (0.028 R)
• M34: 40,039,720 km (0.106 R)
• M35: 45,079,822 km (0.094 R)
• M36: 51,953,396 km (0.109 R)
• M37: 54,556,399 km (0.095 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 12,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit