🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.2

Radius: 8.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.47 AU - 0.79 AU

Year: 345 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,058,139 km

• M1: 102,026 km (0.102 R)
• M2: 385,364 km (0.068 R)
• M3: 655,538 km (0.052 R)
• M4: 971,937 km (0.113 R)
• M5: 1,514,230 km (0.101 R)
• M6: 1,798,017 km (0.113 R)
• M7: 2,059,215 km (0.077 R)
• M8: 2,330,136 km (0.112 R)
• M9: 2,817,526 km (0.105 R)
• M10: 3,290,704 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 14.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.58 AU - 0.84 AU

Year: 413 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,058,139 km

• M1: 182,958 km (0.098 R)
• M2: 646,861 km (0.058 R)
• M3: 1,244,654 km (0.102 R)
• M4: 1,801,458 km (0.075 R)
• M5: 2,585,650 km (0.079 R)
• M6: 3,123,304 km (0.066 R)
• M7: 3,862,617 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 9

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.04 AU - 1.52 AU

Year: 1000 Days

Day: 12 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,058,139 km

• M1: 111,899 km (0.12 R)
• M2: 564,582 km (0.079 R)
• M3: 956,080 km (0.105 R)
• M4: 1,316,611 km (0.085 R)
• M5: 1,847,384 km (0.112 R)
• M6: 2,687,376 km (0.112 R)
• M7: 2,992,705 km (0.089 R)
• M8: 3,732,616 km (0.052 R)
• M9: 4,193,677 km (0.103 R)
• M10: 5,456,283 km (0.05 R)
• M11: 6,865,645 km (0.037 R)
• M12: 7,630,838 km (0.03 R)
• M13: 9,193,537 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 14.3

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.28 AU - 1.5 AU

Year: 1131 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,058,139 km

• M1: 183,407 km (0.104 R)
• M2: 656,884 km (0.079 R)
• M3: 1,579,006 km (0.069 R)
• M4: 2,040,814 km (0.12 R)
• M5: 3,562,823 km (0.103 R)
• M6: 4,373,943 km (0.044 R)
• M7: 6,190,210 km (0.064 R)
• M8: 7,512,655 km (0.096 R)
• M9: 7,993,014 km (0.059 R)
• M10: 8,765,986 km (0.113 R)
• M11: 9,500,961 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.1

Radius: 8.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.92 AU - 2.36 AU

Year: 2161 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,058,139 km

• M1: 102,175 km (0.104 R)
• M2: 367,113 km (0.116 R)
• M3: 735,274 km (0.112 R)
• M4: 1,565,392 km (0.033 R)
• M5: 1,888,524 km (0.036 R)
• M6: 2,211,655 km (0.093 R)
• M7: 2,683,187 km (0.032 R)
• M8: 3,380,164 km (0.073 R)
• M9: 3,957,462 km (0.096 R)
• M10: 7,334,185 km (0.116 R)
• M11: 7,767,869 km (0.055 R)
• M12: 8,970,487 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 13.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.02 AU - 5.72 AU

Year: 7418 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,058,139 km

• M1: 167,101 km (0.083 R)
• M2: 714,629 km (0.032 R)
• M3: 1,136,495 km (0.114 R)
• M4: 5,214,084 km (0.077 R)
• M5: 9,324,585 km (0.058 R)
• M6: 10,044,300 km (0.092 R)
• M7: 10,517,628 km (0.118 R)
• M8: 16,323,521 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.5

Radius: 7.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.11 AU - 10.05 AU

Year: 15854 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,058,139 km

• M1: 93,199 km (0.085 R)
• M2: 564,732 km (0.084 R)
• M3: 1,481,318 km (0.047 R)
• M4: 5,529,736 km (0.099 R)
• M5: 6,885,990 km (0.045 R)
• M6: 8,105,213 km (0.08 R)
• M7: 23,440,640 km (0.098 R)
• M8: 26,332,516 km (0.111 R)
• M9: 29,997,066 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.3

Radius: 4.6

Gravity: 30.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.7 AU - 10.36 AU

Year: 21926 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,058,139 km

• M1: 57,146 km (0.113 R)
• M2: 260,300 km (0.111 R)
• M3: 418,575 km (0.115 R)
• M4: 661,223 km (0.071 R)
• M5: 1,056,460 km (0.106 R)
• M6: 1,461,870 km (0.115 R)
• M7: 1,905,278 km (0.072 R)
• M8: 2,503,072 km (0.085 R)
• M9: 3,867,255 km (0.034 R)
• M10: 4,223,297 km (0.102 R)
• M11: 4,963,059 km (0.113 R)
• M12: 5,266,443 km (0.077 R)
• M13: 5,703,718 km (0.1 R)
• M14: 6,338,312 km (0.083 R)
• M15: 8,311,807 km (0.072 R)
• M16: 9,181,869 km (0.092 R)
• M17: 9,932,251 km (0.12 R)
• M18: 11,620,015 km (0.075 R)
• M19: 12,775,509 km (0.075 R)
• M20: 13,129,457 km (0.091 R)
• M21: 21,059,491 km (0.078 R)
• M22: 24,570,253 km (0.089 R)
• M23: 25,338,588 km (0.062 R)
• M24: 25,561,040 km (0.047 R)
• M25: 26,009,684 km (0.081 R)
• M26: 31,553,931 km (0.098 R)
• M27: 31,811,389 km (0.027 R)
• M28: 32,200,194 km (0.055 R)
• M29: 32,855,283 km (0.091 R)
• M30: 35,983,374 km (0.114 R)
• M31: 36,264,469 km (0.116 R)
• M32: 37,691,632 km (0.102 R)
• M33: 41,576,839 km (0.086 R)
• M34: 48,402,690 km (0.109 R)
• M35: 48,916,858 km (0.098 R)
• M36: 53,345,404 km (0.071 R)
• M37: 59,590,068 km (0.051 R)
• M38: 68,219,322 km (0.037 R)
• M39: 71,714,078 km (0.03 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 12,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit