🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 12.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.72 AU - 1.02 AU

Year: 560 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,318,872 km

• M1: 160,369 km (0.109 R)
• M2: 625,768 km (0.045 R)
• M3: 1,144,573 km (0.114 R)
• M4: 1,661,733 km (0.089 R)
• M5: 2,503,371 km (0.1 R)
• M6: 3,027,861 km (0.06 R)
• M7: 3,599,026 km (0.083 R)
• M8: 4,764,393 km (0.025 R)
• M9: 5,193,140 km (0.052 R)
• M10: 5,996,780 km (0.083 R)
• M11: 6,677,750 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.1

Radius: 11.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.18 AU - 1.2 AU

Year: 896 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,318,872 km

• M1: 140,622 km (0.097 R)
• M2: 494,421 km (0.081 R)
• M3: 992,881 km (0.033 R)
• M4: 2,047,845 km (0.098 R)
• M5: 2,601,657 km (0.1 R)
• M6: 3,121,958 km (0.098 R)
• M7: 4,053,504 km (0.066 R)
• M8: 4,492,723 km (0.079 R)
• M9: 4,866,868 km (0.116 R)
• M10: 6,060,808 km (0.08 R)
• M11: 6,959,143 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.9

Radius: 13.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.94 AU - 2.62 AU

Year: 2376 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,318,872 km

• M1: 170,542 km (0.087 R)
• M2: 762,351 km (0.108 R)
• M3: 1,241,363 km (0.109 R)
• M4: 2,287,501 km (0.087 R)
• M5: 3,215,307 km (0.086 R)
• M6: 3,712,421 km (0.115 R)
• M7: 4,928,502 km (0.117 R)
• M8: 8,260,495 km (0.098 R)
• M9: 9,540,903 km (0.081 R)
• M10: 10,283,058 km (0.039 R)
• M11: 10,761,622 km (0.074 R)
• M12: 12,617,533 km (0.046 R)
• M13: 13,425,362 km (0.093 R)
• M14: 14,403,582 km (0.105 R)
• M15: 15,813,243 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.3

Radius: 7.3

Gravity: 18.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.83 AU - 7.59 AU

Year: 13363 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,318,872 km

• M1: 92,601 km (0.113 R)
• M2: 1,158,486 km (0.027 R)
• M3: 1,746,406 km (0.073 R)
• M4: 1,994,439 km (0.093 R)
• M5: 2,518,331 km (0.119 R)
• M6: 2,836,525 km (0.03 R)
• M7: 3,232,960 km (0.079 R)
• M8: 4,015,356 km (0.085 R)
• M9: 5,234,729 km (0.046 R)
• M10: 5,832,073 km (0.119 R)
• M11: 6,432,409 km (0.114 R)
• M12: 7,386,544 km (0.106 R)
• M13: 8,581,682 km (0.1 R)
• M14: 8,989,934 km (0.116 R)
• M15: 9,411,202 km (0.103 R)
• M16: 11,108,839 km (0.091 R)
• M17: 12,093,043 km (0.072 R)
• M18: 16,772,764 km (0.055 R)
• M19: 21,400,873 km (0.088 R)
• M20: 22,823,250 km (0.102 R)
• M21: 24,206,581 km (0.036 R)
• M22: 24,816,192 km (0.099 R)
• M23: 27,907,932 km (0.114 R)
• M24: 29,719,113 km (0.116 R)
• M25: 30,067,227 km (0.118 R)
• M26: 32,091,436 km (0.108 R)
• M27: 34,459,421 km (0.1 R)
• M28: 34,715,233 km (0.11 R)
• M29: 37,885,062 km (0.107 R)
• M30: 50,658,626 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.8

Radius: 7.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.63 AU - 7.75 AU

Year: 14720 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,318,872 km

• M1: 94,546 km (0.11 R)
• M2: 371,302 km (0.078 R)
• M3: 676,482 km (0.068 R)
• M4: 934,538 km (0.101 R)
• M5: 1,182,122 km (0.065 R)
• M6: 1,461,571 km (0.115 R)
• M7: 1,756,429 km (0.061 R)
• M8: 2,596,720 km (0.111 R)
• M9: 2,929,426 km (0.119 R)
• M10: 3,224,732 km (0.103 R)
• M11: 3,633,433 km (0.101 R)
• M12: 6,493,296 km (0.117 R)
• M13: 10,247,604 km (0.051 R)
• M14: 15,116,865 km (0.094 R)
• M15: 15,937,260 km (0.106 R)
• M16: 20,337,831 km (0.098 R)
• M17: 20,641,963 km (0.034 R)
• M18: 22,047,734 km (0.106 R)
• M19: 23,101,950 km (0.09 R)
• M20: 27,010,943 km (0.106 R)
• M21: 35,446,617 km (0.085 R)
• M22: 36,554,838 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.9

Radius: 3

Gravity: 37.77 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.04 AU - 8.66 AU

Year: 16655 Days

Day: 16.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,318,872 km

• M1: 39,344 km (0.115 R)
• M2: 313,258 km (0.118 R)
• M3: 470,037 km (0.102 R)
• M4: 668,852 km (0.096 R)
• M5: 1,594,115 km (0.111 R)
• M6: 2,282,864 km (0.118 R)
• M7: 3,447,333 km (0.079 R)
• M8: 3,873,089 km (0.081 R)
• M9: 3,984,838 km (0.037 R)
• M10: 6,460,534 km (0.052 R)
• M11: 12,430,985 km (0.113 R)
• M12: 20,174,170 km (0.093 R)
• M13: 25,713,181 km (0.08 R)
• M14: 26,207,602 km (0.07 R)
• M15: 28,987,280 km (0.096 R)
• M16: 29,847,019 km (0.086 R)
• M17: 32,758,792 km (0.099 R)
• M18: 33,927,301 km (0.037 R)
• M19: 44,717,197 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 14,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit