🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 9.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.63 AU - 0.83 AU

Year: 416 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,107,138 km

• M1: 119,529 km (0.062 R)
• M2: 513,121 km (0.092 R)
• M3: 831,465 km (0.096 R)
• M4: 1,315,264 km (0.102 R)
• M5: 1,711,250 km (0.047 R)
• M6: 2,433,060 km (0.111 R)
• M7: 2,775,788 km (0.104 R)
• M8: 3,193,466 km (0.107 R)
• M9: 3,676,368 km (0.104 R)
• M10: 4,364,219 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.7

Radius: 9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.93 AU - 1.25 AU

Year: 759 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,107,138 km

• M1: 111,899 km (0.043 R)
• M2: 427,252 km (0.064 R)
• M3: 892,052 km (0.05 R)
• M4: 1,241,513 km (0.056 R)
• M5: 1,536,370 km (0.1 R)
• M6: 1,936,096 km (0.056 R)
• M7: 2,573,233 km (0.115 R)
• M8: 2,858,217 km (0.118 R)
• M9: 3,271,257 km (0.066 R)
• M10: 3,606,805 km (0.041 R)
• M11: 4,020,443 km (0.055 R)
• M12: 4,495,266 km (0.089 R)
• M13: 5,007,190 km (0.12 R)
• M14: 5,505,800 km (0.078 R)
• M15: 5,928,115 km (0.081 R)
• M16: 6,353,122 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150

Radius: 8.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.14 AU - 1.78 AU

Year: 1176 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,107,138 km

• M1: 105,915 km (0.073 R)
• M2: 409,001 km (0.037 R)
• M3: 709,393 km (0.118 R)
• M4: 1,114,803 km (0.108 R)
• M5: 1,716,037 km (0.074 R)
• M6: 2,076,718 km (0.061 R)
• M7: 2,367,536 km (0.12 R)
• M8: 2,883,499 km (0.103 R)
• M9: 3,259,438 km (0.111 R)
• M10: 3,721,247 km (0.097 R)
• M11: 4,110,052 km (0.11 R)
• M12: 6,186,770 km (0.075 R)
• M13: 6,495,390 km (0.08 R)
• M14: 6,834,528 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 9.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.9 AU - 6.16 AU

Year: 7523 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,107,138 km

• M1: 119,529 km (0.115 R)
• M2: 423,512 km (0.102 R)
• M3: 1,401,582 km (0.031 R)
• M4: 4,799,249 km (0.088 R)
• M5: 5,371,012 km (0.073 R)
• M6: 6,226,413 km (0.057 R)
• M7: 9,707,855 km (0.07 R)
• M8: 17,013,018 km (0.08 R)
• M9: 20,575,691 km (0.03 R)
• M10: 21,359,285 km (0.093 R)
• M11: 23,321,261 km (0.115 R)
• M12: 28,940,606 km (0.1 R)
• M13: 29,429,641 km (0.097 R)
• M14: 30,625,826 km (0.113 R)
• M15: 38,610,014 km (0.05 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.9

Radius: 4.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.2 AU - 9.08 AU

Year: 14082 Days

Day: 15.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,107,138 km

• M1: 58,642 km (0.081 R)
• M2: 314,455 km (0.113 R)
• M3: 513,569 km (0.095 R)
• M4: 771,925 km (0.098 R)
• M5: 986,448 km (0.107 R)
• M6: 1,251,087 km (0.117 R)
• M7: 4,108,406 km (0.115 R)
• M8: 5,860,497 km (0.088 R)
• M9: 6,517,979 km (0.086 R)
• M10: 6,794,286 km (0.099 R)
• M11: 7,333,437 km (0.101 R)
• M12: 8,868,012 km (0.05 R)
• M13: 9,293,469 km (0.098 R)
• M14: 16,634,386 km (0.113 R)
• M15: 17,346,621 km (0.108 R)
• M16: 17,544,240 km (0.025 R)
• M17: 22,752,639 km (0.059 R)
• M18: 25,028,621 km (0.036 R)
• M19: 25,705,701 km (0.066 R)
• M20: 32,159,802 km (0.102 R)
• M21: 34,912,852 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 7.6

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.76 AU - 11.74 AU

Year: 20302 Days

Day: 17.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,107,138 km

• M1: 94,546 km (0.113 R)
• M2: 673,041 km (0.11 R)
• M3: 1,043,744 km (0.112 R)
• M4: 2,351,828 km (0.096 R)
• M5: 2,898,010 km (0.119 R)
• M6: 5,087,375 km (0.112 R)
• M7: 6,427,772 km (0.106 R)
• M8: 6,739,982 km (0.1 R)
• M9: 8,668,299 km (0.046 R)
• M10: 11,774,699 km (0.082 R)
• M11: 12,792,712 km (0.095 R)
• M12: 15,394,518 km (0.111 R)
• M13: 19,694,410 km (0.114 R)
• M14: 28,371,535 km (0.069 R)
• M15: 32,352,185 km (0.098 R)
• M16: 33,402,661 km (0.072 R)
• M17: 37,688,042 km (0.044 R)
• M18: 38,411,946 km (0.11 R)
• M19: 39,589,281 km (0.116 R)
• M20: 40,942,394 km (0.071 R)
• M21: 42,481,756 km (0.081 R)
• M22: 42,951,045 km (0.034 R)
• M23: 43,899,794 km (0.092 R)
• M24: 53,986,132 km (0.108 R)
• M25: 66,559,085 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 12,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit