🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 8.8

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.84 AU - 1.06 AU

Year: 589 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,698,625 km

• M1: 109,506 km (0.075 R)
• M2: 398,978 km (0.106 R)
• M3: 822,938 km (0.067 R)
• M4: 1,118,094 km (0.065 R)
• M5: 1,709,904 km (0.104 R)
• M6: 2,036,925 km (0.037 R)
• M7: 2,897,711 km (0.108 R)
• M8: 3,315,837 km (0.077 R)
• M9: 3,665,597 km (0.097 R)
• M10: 4,378,730 km (0.037 R)
• M11: 4,768,432 km (0.094 R)
• M12: 5,708,056 km (0.095 R)
• M13: 6,725,322 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.6

Radius: 8

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.94 AU - 1.04 AU

Year: 626 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,698,625 km

• M1: 99,782 km (0.039 R)
• M2: 421,716 km (0.055 R)
• M3: 696,378 km (0.084 R)
• M4: 965,205 km (0.033 R)
• M5: 1,229,545 km (0.089 R)
• M6: 2,531,794 km (0.096 R)
• M7: 2,986,721 km (0.119 R)
• M8: 3,457,057 km (0.039 R)
• M9: 4,116,933 km (0.094 R)
• M10: 4,576,049 km (0.086 R)
• M11: 4,922,368 km (0.117 R)
• M12: 6,446,771 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.9

Radius: 8.8

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.81 AU - 1.27 AU

Year: 674 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,698,625 km

• M1: 109,506 km (0.08 R)
• M2: 423,661 km (0.113 R)
• M3: 803,041 km (0.072 R)
• M4: 1,143,077 km (0.088 R)
• M5: 1,571,675 km (0.069 R)
• M6: 1,961,228 km (0.07 R)
• M7: 2,294,981 km (0.072 R)
• M8: 2,959,495 km (0.096 R)
• M9: 3,261,682 km (0.06 R)
• M10: 3,584,365 km (0.105 R)
• M11: 4,130,696 km (0.115 R)
• M12: 4,462,654 km (0.109 R)
• M13: 4,828,870 km (0.114 R)
• M14: 5,371,611 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 11.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2.02 AU

Year: 1397 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,698,625 km

• M1: 143,016 km (0.116 R)
• M2: 885,470 km (0.078 R)
• M3: 1,280,558 km (0.05 R)
• M4: 1,825,094 km (0.098 R)
• M5: 2,427,973 km (0.096 R)
• M6: 2,998,540 km (0.114 R)
• M7: 4,086,116 km (0.103 R)
• M8: 5,372,359 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 9.4

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.6 AU - 2.18 AU

Year: 1652 Days

Day: 13.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,698,625 km

• M1: 117,584 km (0.088 R)
• M2: 412,441 km (0.048 R)
• M3: 925,263 km (0.112 R)
• M4: 1,463,666 km (0.105 R)
• M5: 2,964,282 km (0.11 R)
• M6: 3,260,785 km (0.047 R)
• M7: 3,859,475 km (0.074 R)
• M8: 4,291,664 km (0.119 R)
• M9: 4,818,847 km (0.079 R)
• M10: 5,434,292 km (0.071 R)
• M11: 5,737,378 km (0.069 R)
• M12: 6,200,832 km (0.097 R)
• M13: 7,010,455 km (0.107 R)
• M14: 8,187,342 km (0.072 R)
• M15: 8,649,300 km (0.073 R)
• M16: 10,493,543 km (0.115 R)
• M17: 15,679,652 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.3

Radius: 3.6

Gravity: 39.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.66 AU - 11.52 AU

Year: 18883 Days

Day: 22.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,698,625 km

• M1: 44,879 km (0.093 R)
• M2: 230,530 km (0.03 R)
• M3: 471,084 km (0.119 R)
• M4: 850,913 km (0.096 R)
• M5: 1,334,413 km (0.079 R)
• M6: 2,718,193 km (0.118 R)
• M7: 3,974,666 km (0.12 R)
• M8: 4,190,087 km (0.118 R)
• M9: 4,711,735 km (0.111 R)
• M10: 5,498,021 km (0.095 R)
• M11: 5,611,715 km (0.07 R)
• M12: 6,001,717 km (0.105 R)
• M13: 6,923,090 km (0.119 R)
• M14: 8,936,827 km (0.095 R)
• M15: 11,617,172 km (0.084 R)
• M16: 14,570,683 km (0.103 R)
• M17: 15,757,892 km (0.05 R)
• M18: 17,411,995 km (0.075 R)
• M19: 18,662,035 km (0.101 R)
• M20: 21,245,890 km (0.106 R)
• M21: 23,259,178 km (0.087 R)
• M22: 24,261,184 km (0.094 R)
• M23: 24,875,882 km (0.08 R)
• M24: 25,501,051 km (0.099 R)
• M25: 29,473,024 km (0.096 R)
• M26: 30,408,460 km (0.078 R)
• M27: 31,970,411 km (0.102 R)
• M28: 38,338,344 km (0.05 R)
• M29: 40,301,666 km (0.113 R)
• M30: 48,664,187 km (0.029 R)
• M31: 48,826,202 km (0.111 R)
• M32: 49,640,912 km (0.077 R)
• M33: 50,796,855 km (0.068 R)
• M34: 51,297,708 km (0.03 R)
• M35: 57,929,531 km (0.034 R)
• M36: 60,510,095 km (0.083 R)
• M37: 62,018,490 km (0.07 R)
• M38: 62,399,366 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 7.8

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.55 AU - 11.91 AU

Year: 22348 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,698,625 km

• M1: 99,483 km (0.075 R)
• M2: 348,862 km (0.099 R)
• M3: 757,863 km (0.113 R)
• M4: 1,141,881 km (0.058 R)
• M5: 1,387,670 km (0.073 R)
• M6: 1,722,919 km (0.084 R)
• M7: 1,989,053 km (0.042 R)
• M8: 2,753,199 km (0.078 R)
• M9: 3,011,854 km (0.111 R)
• M10: 3,401,257 km (0.108 R)
• M11: 4,921,920 km (0.106 R)
• M12: 5,226,501 km (0.113 R)
• M13: 8,084,718 km (0.07 R)
• M14: 14,603,146 km (0.112 R)
• M15: 14,995,242 km (0.117 R)
• M16: 16,380,817 km (0.079 R)
• M17: 16,804,179 km (0.117 R)
• M18: 17,672,595 km (0.096 R)
• M19: 19,783,271 km (0.073 R)
• M20: 20,360,420 km (0.06 R)
• M21: 20,653,033 km (0.116 R)
• M22: 22,468,852 km (0.111 R)
• M23: 22,991,547 km (0.056 R)
• M24: 23,522,320 km (0.089 R)
• M25: 25,275,757 km (0.095 R)
• M26: 31,835,923 km (0.026 R)
• M27: 32,495,201 km (0.096 R)
• M28: 35,929,369 km (0.084 R)
• M29: 38,695,733 km (0.084 R)
• M30: 42,230,581 km (0.089 R)
• M31: 44,484,423 km (0.105 R)
• M32: 52,270,543 km (0.109 R)
• M33: 59,713,486 km (0.036 R)
• M34: 65,049,193 km (0.096 R)
• M35: 82,451,016 km (0.066 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: 447 - 14,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit