🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 14.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.89 AU - 1.07 AU

Year: 636 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,162,424 km

• M1: 181,013 km (0.037 R)
• M2: 647,310 km (0.077 R)
• M3: 1,673,851 km (0.066 R)
• M4: 2,942,141 km (0.025 R)
• M5: 3,489,670 km (0.086 R)
• M6: 4,677,327 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 9.9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.12 AU - 1.6 AU

Year: 1040 Days

Day: 10.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,162,424 km

• M1: 123,119 km (0.103 R)
• M2: 535,261 km (0.118 R)
• M3: 903,870 km (0.066 R)
• M4: 1,284,447 km (0.071 R)
• M5: 1,663,528 km (0.085 R)
• M6: 1,973,944 km (0.082 R)
• M7: 2,603,452 km (0.085 R)
• M8: 3,523,927 km (0.096 R)
• M9: 3,848,256 km (0.114 R)
• M10: 5,096,799 km (0.113 R)
• M11: 5,574,615 km (0.115 R)
• M12: 6,235,688 km (0.075 R)
• M13: 7,116,520 km (0.047 R)
• M14: 7,714,313 km (0.107 R)
• M15: 8,264,385 km (0.082 R)
• M16: 8,645,560 km (0.115 R)
• M17: 9,095,401 km (0.071 R)
• M18: 9,472,537 km (0.037 R)
• M19: 9,920,433 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 9.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.69 AU - 2.99 AU

Year: 3140 Days

Day: 5.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,162,424 km

• M1: 135,236 km (0.101 R)
• M2: 540,497 km (0.117 R)
• M3: 1,092,513 km (0.086 R)
• M4: 1,574,069 km (0.118 R)
• M5: 1,981,125 km (0.111 R)
• M6: 2,470,310 km (0.087 R)
• M7: 3,171,176 km (0.081 R)
• M8: 6,078,610 km (0.072 R)
• M9: 9,376,495 km (0.044 R)
• M10: 13,269,630 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 13.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.1 AU - 6.1 AU

Year: 7556 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,162,424 km

• M1: 165,455 km (0.091 R)
• M2: 648,656 km (0.063 R)
• M3: 1,214,735 km (0.074 R)
• M4: 2,003,863 km (0.059 R)
• M5: 3,131,233 km (0.117 R)
• M6: 3,590,050 km (0.104 R)
• M7: 5,603,637 km (0.102 R)
• M8: 6,116,459 km (0.07 R)
• M9: 6,869,235 km (0.108 R)
• M10: 8,180,909 km (0.062 R)
• M11: 10,593,624 km (0.109 R)
• M12: 12,611,101 km (0.118 R)
• M13: 13,734,730 km (0.069 R)
• M14: 14,873,170 km (0.047 R)
• M15: 15,966,730 km (0.088 R)
• M16: 17,113,248 km (0.105 R)
• M17: 17,620,984 km (0.116 R)
• M18: 18,785,753 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.6

Radius: 4.6

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.74 AU - 10.42 AU

Year: 16487 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,162,424 km

• M1: 57,146 km (0.119 R)
• M2: 220,058 km (0.109 R)
• M3: 664,663 km (0.08 R)
• M4: 1,569,132 km (0.039 R)
• M5: 1,939,985 km (0.05 R)
• M6: 2,472,254 km (0.091 R)
• M7: 2,807,204 km (0.049 R)
• M8: 3,046,860 km (0.11 R)
• M9: 3,326,159 km (0.103 R)
• M10: 3,678,163 km (0.038 R)
• M11: 5,089,768 km (0.094 R)
• M12: 5,265,995 km (0.046 R)
• M13: 5,483,061 km (0.101 R)
• M14: 6,617,163 km (0.073 R)
• M15: 7,217,050 km (0.063 R)
• M16: 8,280,242 km (0.08 R)
• M17: 8,773,466 km (0.057 R)
• M18: 9,602,987 km (0.063 R)
• M19: 10,258,674 km (0.088 R)
• M20: 10,483,669 km (0.045 R)
• M21: 11,903,652 km (0.065 R)
• M22: 13,114,946 km (0.068 R)
• M23: 14,759,775 km (0.081 R)
• M24: 15,337,222 km (0.045 R)
• M25: 17,397,335 km (0.068 R)
• M26: 23,098,510 km (0.09 R)
• M27: 23,582,459 km (0.094 R)
• M28: 23,876,119 km (0.099 R)
• M29: 24,470,771 km (0.098 R)
• M30: 26,000,409 km (0.076 R)
• M31: 29,248,777 km (0.036 R)
• M32: 29,587,766 km (0.09 R)
• M33: 30,043,890 km (0.102 R)
• M34: 35,246,455 km (0.071 R)
• M35: 37,061,825 km (0.082 R)
• M36: 40,317,075 km (0.105 R)
• M37: 40,877,618 km (0.071 R)
• M38: 46,770,877 km (0.068 R)
• M39: 52,537,127 km (0.104 R)
• M40: 53,205,679 km (0.048 R)
• M41: 58,044,871 km (0.114 R)
• M42: 58,401,363 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.6

Radius: 6.7

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.39 AU - 11.45 AU

Year: 18966 Days

Day: 24 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,162,424 km

• M1: 95,593 km (0.105 R)
• M2: 1,332,767 km (0.113 R)
• M3: 2,317,570 km (0.076 R)
• M4: 4,015,955 km (0.071 R)
• M5: 4,329,213 km (0.04 R)
• M6: 12,292,457 km (0.114 R)
• M7: 15,013,044 km (0.067 R)
• M8: 15,353,379 km (0.093 R)
• M9: 21,437,076 km (0.111 R)
• M10: 23,837,224 km (0.113 R)
• M11: 25,726,645 km (0.073 R)
• M12: 31,322,503 km (0.043 R)
• M13: 44,283,363 km (0.053 R)
• M14: 51,005,095 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.1

Radius: 5.2

Gravity: 26.56 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.46 AU - 12.54 AU

Year: 22320 Days

Day: 17.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,162,424 km

• M1: 64,776 km (0.103 R)
• M2: 398,678 km (0.082 R)
• M3: 973,882 km (0.069 R)
• M4: 1,442,572 km (0.089 R)
• M5: 1,888,823 km (0.113 R)
• M6: 2,813,188 km (0.102 R)
• M7: 3,909,441 km (0.06 R)
• M8: 5,303,544 km (0.094 R)
• M9: 7,738,399 km (0.09 R)
• M10: 7,995,857 km (0.115 R)
• M11: 8,527,976 km (0.113 R)
• M12: 11,087,596 km (0.046 R)
• M13: 11,748,818 km (0.102 R)
• M14: 13,665,017 km (0.119 R)
• M15: 14,502,167 km (0.106 R)
• M16: 15,052,388 km (0.119 R)
• M17: 15,616,372 km (0.083 R)
• M18: 15,862,311 km (0.078 R)
• M19: 17,745,898 km (0.115 R)
• M20: 28,812,251 km (0.101 R)
• M21: 34,702,517 km (0.116 R)
• M22: 36,398,808 km (0.036 R)
• M23: 41,035,145 km (0.098 R)
• M24: 43,091,218 km (0.103 R)
• M25: 45,381,112 km (0.11 R)
• M26: 56,500,573 km (0.091 R)
• M27: 62,067,409 km (0.076 R)
• M28: 64,140,985 km (0.106 R)
• M29: 66,260,188 km (0.069 R)
• M30: 66,474,562 km (0.087 R)
• M31: 75,905,810 km (0.103 R)
• M32: 80,694,288 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit