🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 10

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,906,589 km

• M1: 124,465 km (0.085 R)
• M2: 453,581 km (0.117 R)
• M3: 971,189 km (0.063 R)
• M4: 1,659,190 km (0.071 R)
• M5: 2,089,433 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.5

Radius: 8.3

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.48 AU - 1.54 AU

Year: 1281 Days

Day: 11.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,906,589 km

• M1: 103,223 km (0.061 R)
• M2: 427,102 km (0.081 R)
• M3: 717,771 km (0.117 R)
• M4: 1,145,022 km (0.09 R)
• M5: 1,874,461 km (0.116 R)
• M6: 2,198,939 km (0.066 R)
• M7: 2,466,570 km (0.049 R)
• M8: 2,857,768 km (0.088 R)
• M9: 3,304,019 km (0.106 R)
• M10: 3,672,329 km (0.053 R)
• M11: 4,318,891 km (0.102 R)
• M12: 4,741,953 km (0.044 R)
• M13: 7,506,522 km (0.094 R)
• M14: 9,071,166 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 15

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.82 AU - 2.94 AU

Year: 2534 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,906,589 km

• M1: 188,045 km (0.099 R)
• M2: 787,633 km (0.101 R)
• M3: 1,432,998 km (0.114 R)
• M4: 2,309,642 km (0.035 R)
• M5: 4,069,212 km (0.07 R)
• M6: 5,567,883 km (0.096 R)
• M7: 6,656,357 km (0.059 R)
• M8: 9,389,959 km (0.105 R)
• M9: 11,235,398 km (0.112 R)
• M10: 12,061,777 km (0.097 R)
• M11: 12,801,987 km (0.115 R)
• M12: 14,693,652 km (0.081 R)
• M13: 15,730,515 km (0.054 R)
• M14: 16,515,007 km (0.057 R)
• M15: 17,376,840 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.16 AU - 2.94 AU

Year: 2811 Days

Day: 12.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,906,589 km

• M1: 180,415 km (0.083 R)
• M2: 802,593 km (0.031 R)
• M3: 1,299,108 km (0.083 R)
• M4: 1,962,425 km (0.116 R)
• M5: 2,803,165 km (0.081 R)
• M6: 3,855,885 km (0.11 R)
• M7: 5,826,687 km (0.108 R)
• M8: 6,897,060 km (0.106 R)
• M9: 9,162,870 km (0.073 R)
• M10: 12,605,715 km (0.115 R)
• M11: 14,171,257 km (0.107 R)
• M12: 14,932,560 km (0.093 R)
• M13: 15,486,222 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.6

Radius: 11.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.02 AU - 4.08 AU

Year: 4617 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,906,589 km

• M1: 142,118 km (0.11 R)
• M2: 505,790 km (0.104 R)
• M3: 1,066,633 km (0.036 R)
• M4: 1,633,010 km (0.041 R)
• M5: 2,052,483 km (0.117 R)
• M6: 2,883,200 km (0.085 R)
• M7: 3,765,678 km (0.106 R)
• M8: 4,740,607 km (0.091 R)
• M9: 5,344,384 km (0.093 R)
• M10: 5,876,204 km (0.035 R)
• M11: 6,508,106 km (0.08 R)
• M12: 7,080,318 km (0.025 R)
• M13: 7,722,691 km (0.077 R)
• M14: 8,599,484 km (0.114 R)
• M15: 11,294,190 km (0.037 R)
• M16: 11,923,399 km (0.117 R)
• M17: 15,426,981 km (0.106 R)
• M18: 15,841,068 km (0.066 R)
• M19: 16,568,413 km (0.106 R)
• M20: 20,614,287 km (0.104 R)
• M21: 21,849,517 km (0.111 R)
• M22: 25,031,015 km (0.065 R)
• M23: 25,521,247 km (0.1 R)
• M24: 26,184,714 km (0.05 R)
• M25: 29,494,417 km (0.118 R)
• M26: 30,317,355 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.5

Radius: 6.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.96 AU - 7.08 AU

Year: 12839 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,906,589 km

• M1: 658,380 km (0.099 R)
• M2: 997,967 km (0.05 R)
• M3: 1,656,946 km (0.087 R)
• M4: 6,202,178 km (0.118 R)
• M5: 6,640,949 km (0.1 R)
• M6: 7,258,040 km (0.11 R)
• M7: 8,167,894 km (0.101 R)
• M8: 8,650,347 km (0.115 R)
• M9: 9,151,650 km (0.049 R)
• M10: 10,464,221 km (0.103 R)
• M11: 13,517,215 km (0.085 R)
• M12: 14,824,700 km (0.076 R)
• M13: 18,052,424 km (0.057 R)
• M14: 24,934,823 km (0.101 R)
• M15: 29,764,142 km (0.047 R)
• M16: 32,073,484 km (0.033 R)
• M17: 39,589,281 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.5

Radius: 7.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.82 AU - 11.18 AU

Year: 21828 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,906,589 km

• M1: 97,837 km (0.106 R)
• M2: 337,493 km (0.086 R)
• M3: 1,577,958 km (0.1 R)
• M4: 2,777,434 km (0.11 R)
• M5: 3,214,709 km (0.053 R)
• M6: 3,565,516 km (0.057 R)
• M7: 6,822,112 km (0.063 R)
• M8: 18,004,702 km (0.098 R)
• M9: 19,600,463 km (0.082 R)
• M10: 25,143,812 km (0.065 R)
• M11: 30,642,132 km (0.084 R)
• M12: 38,415,686 km (0.111 R)
• M13: 40,512,450 km (0.111 R)
• M14: 40,779,931 km (0.092 R)
• M15: 44,222,028 km (0.05 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 18,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit