🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 12.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,114,999 km

• M1: 163,959 km (0.061 R)
• M2: 592,108 km (0.099 R)
• M3: 1,060,799 km (0.057 R)
• M4: 1,473,389 km (0.06 R)
• M5: 2,111,873 km (0.099 R)
• M6: 2,765,017 km (0.105 R)
• M7: 3,229,070 km (0.116 R)
• M8: 3,646,598 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 14.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.04 AU - 1.5 AU

Year: 971 Days

Day: 10.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,114,999 km

• M1: 177,872 km (0.095 R)
• M2: 691,741 km (0.118 R)
• M3: 1,738,776 km (0.116 R)
• M4: 2,473,750 km (0.04 R)
• M5: 3,356,378 km (0.049 R)
• M6: 4,213,873 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.4

Radius: 11.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.31 AU - 1.51 AU

Year: 1136 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,114,999 km

• M1: 139,276 km (0.099 R)
• M2: 516,262 km (0.047 R)
• M3: 958,174 km (0.063 R)
• M4: 1,356,254 km (0.12 R)
• M5: 1,847,982 km (0.115 R)
• M6: 2,594,027 km (0.106 R)
• M7: 3,430,578 km (0.105 R)
• M8: 3,919,763 km (0.085 R)
• M9: 4,506,187 km (0.11 R)
• M10: 5,340,046 km (0.111 R)
• M11: 8,101,024 km (0.043 R)
• M12: 8,755,515 km (0.116 R)
• M13: 9,586,980 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 14

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.71 AU - 1.73 AU

Year: 1530 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,114,999 km

• M1: 174,132 km (0.066 R)
• M2: 619,934 km (0.11 R)
• M3: 1,119,142 km (0.075 R)
• M4: 1,621,491 km (0.095 R)
• M5: 2,513,095 km (0.067 R)
• M6: 3,013,500 km (0.093 R)
• M7: 6,193,950 km (0.116 R)
• M8: 7,516,695 km (0.09 R)
• M9: 8,805,181 km (0.083 R)

Asteroid Belt

Center: 2.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.2

Radius: 14.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.98 AU - 3.06 AU

Year: 2713 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,114,999 km

• M1: 182,360 km (0.083 R)
• M2: 811,568 km (0.057 R)
• M3: 1,493,136 km (0.104 R)
• M4: 2,246,212 km (0.108 R)
• M5: 2,886,940 km (0.097 R)
• M6: 4,342,677 km (0.077 R)
• M7: 5,027,236 km (0.067 R)
• M8: 6,527,254 km (0.113 R)
• M9: 7,210,767 km (0.094 R)
• M10: 10,083,345 km (0.112 R)
• M11: 12,497,107 km (0.084 R)
• M12: 13,179,423 km (0.117 R)
• M13: 18,266,648 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.9

Radius: 9.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.87 AU - 4.97 AU

Year: 6303 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,114,999 km

• M1: 125,513 km (0.116 R)
• M2: 498,311 km (0.062 R)
• M3: 835,953 km (0.098 R)
• M4: 1,425,219 km (0.109 R)
• M5: 1,839,156 km (0.063 R)
• M6: 2,824,109 km (0.061 R)
• M7: 3,343,812 km (0.044 R)
• M8: 7,832,795 km (0.042 R)
• M9: 10,826,099 km (0.055 R)
• M10: 15,656,464 km (0.056 R)
• M11: 16,864,318 km (0.102 R)
• M12: 17,642,675 km (0.117 R)
• M13: 26,072,964 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.3

Radius: 14.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.06 AU - 5.02 AU

Year: 6561 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,114,999 km

• M1: 175,628 km (0.11 R)
• M2: 1,149,061 km (0.12 R)
• M3: 4,938,375 km (0.092 R)
• M4: 6,205,768 km (0.038 R)
• M5: 11,085,053 km (0.084 R)
• M6: 12,349,903 km (0.089 R)
• M7: 13,093,105 km (0.072 R)
• M8: 16,544,777 km (0.069 R)
• M9: 17,571,317 km (0.076 R)
• M10: 19,818,277 km (0.115 R)
• M11: 25,583,330 km (0.089 R)
• M12: 27,285,604 km (0.081 R)
• M13: 28,376,622 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.2

Radius: 5.2

Gravity: 16.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.45 AU - 9.09 AU

Year: 16131 Days

Day: 22.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,114,999 km

• M1: 65,524 km (0.114 R)
• M2: 228,286 km (0.098 R)
• M3: 420,520 km (0.09 R)
• M4: 750,682 km (0.103 R)
• M5: 1,080,396 km (0.082 R)
• M6: 1,387,071 km (0.087 R)
• M7: 1,591,721 km (0.118 R)
• M8: 2,493,049 km (0.074 R)
• M9: 4,059,787 km (0.115 R)
• M10: 4,543,587 km (0.117 R)
• M11: 5,808,586 km (0.102 R)
• M12: 6,264,860 km (0.112 R)
• M13: 6,868,337 km (0.101 R)
• M14: 7,334,933 km (0.072 R)
• M15: 8,911,096 km (0.073 R)
• M16: 9,989,996 km (0.074 R)
• M17: 19,827,851 km (0.118 R)
• M18: 26,145,220 km (0.097 R)
• M19: 33,924,459 km (0.114 R)
• M20: 45,572,299 km (0.086 R)
• M21: 52,042,406 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.1

Radius: 5.8

Gravity: 19.92 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.15 AU - 11.35 AU

Year: 22258 Days

Day: 23.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,114,999 km

• M1: 74,799 km (0.116 R)
• M2: 294,558 km (0.109 R)
• M3: 1,045,390 km (0.103 R)
• M4: 1,338,452 km (0.111 R)
• M5: 1,948,213 km (0.12 R)
• M6: 2,173,956 km (0.03 R)
• M7: 3,037,884 km (0.119 R)
• M8: 3,487,575 km (0.101 R)
• M9: 3,821,777 km (0.104 R)
• M10: 4,045,426 km (0.059 R)
• M11: 5,220,068 km (0.117 R)
• M12: 5,864,536 km (0.084 R)
• M13: 6,381,696 km (0.116 R)
• M14: 8,326,169 km (0.047 R)
• M15: 8,867,863 km (0.096 R)
• M16: 11,013,395 km (0.105 R)
• M17: 13,336,201 km (0.101 R)
• M18: 14,228,403 km (0.09 R)
• M19: 16,463,994 km (0.066 R)
• M20: 17,489,936 km (0.052 R)
• M21: 17,929,903 km (0.101 R)
• M22: 18,377,051 km (0.068 R)
• M23: 20,725,139 km (0.115 R)
• M24: 22,021,854 km (0.054 R)
• M25: 23,690,768 km (0.104 R)
• M26: 24,012,852 km (0.075 R)
• M27: 25,330,360 km (0.084 R)
• M28: 27,989,163 km (0.07 R)
• M29: 32,779,736 km (0.113 R)
• M30: 35,929,669 km (0.082 R)
• M31: 36,497,243 km (0.077 R)
• M32: 37,942,508 km (0.109 R)
• M33: 38,531,176 km (0.118 R)
• M34: 41,566,068 km (0.106 R)
• M35: 44,430,418 km (0.089 R)
• M36: 50,018,497 km (0.089 R)
• M37: 50,548,522 km (0.082 R)
• M38: 60,741,971 km (0.111 R)
• M39: 66,529,315 km (0.049 R)
• M40: 67,600,136 km (0.096 R)
• M41: 72,673,748 km (0.101 R)
• M42: 80,387,762 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 17,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit