🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 8.9

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.08 AU

Year: 668 Days

Day: 10.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,643,602 km

• M1: 110,702 km (0.119 R)
• M2: 397,182 km (0.068 R)
• M3: 849,417 km (0.046 R)
• M4: 1,182,870 km (0.08 R)
• M5: 1,472,193 km (0.089 R)
• M6: 1,875,957 km (0.075 R)
• M7: 2,483,773 km (0.086 R)
• M8: 3,071,843 km (0.105 R)
• M9: 3,874,435 km (0.086 R)
• M10: 4,794,013 km (0.095 R)
• M11: 5,091,564 km (0.103 R)
• M12: 5,705,364 km (0.078 R)
• M13: 6,768,705 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 8.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.25 AU - 3.33 AU

Year: 3161 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,643,602 km

• M1: 110,852 km (0.055 R)
• M2: 406,009 km (0.113 R)
• M3: 900,579 km (0.098 R)
• M4: 1,284,747 km (0.107 R)
• M5: 1,950,906 km (0.043 R)
• M6: 2,334,924 km (0.044 R)
• M7: 2,618,412 km (0.113 R)
• M8: 4,770,676 km (0.087 R)
• M9: 5,160,079 km (0.112 R)
• M10: 5,796,618 km (0.112 R)
• M11: 6,375,412 km (0.044 R)
• M12: 9,862,988 km (0.094 R)
• M13: 10,959,540 km (0.109 R)
• M14: 12,517,003 km (0.114 R)
• M15: 12,906,407 km (0.081 R)
• M16: 13,303,888 km (0.113 R)
• M17: 14,880,051 km (0.08 R)
• M18: 18,067,982 km (0.055 R)
• M19: 18,733,693 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 3.8

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.3 AU - 6.82 AU

Year: 10118 Days

Day: 15.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,643,602 km

• M1: 48,470 km (0.085 R)
• M2: 235,766 km (0.109 R)
• M3: 509,381 km (0.057 R)
• M4: 1,052,720 km (0.102 R)
• M5: 1,754,185 km (0.094 R)
• M6: 1,881,492 km (0.116 R)
• M7: 3,517,794 km (0.11 R)
• M8: 4,052,606 km (0.07 R)
• M9: 6,637,059 km (0.086 R)
• M10: 6,877,762 km (0.072 R)
• M11: 8,975,423 km (0.118 R)
• M12: 10,011,239 km (0.074 R)
• M13: 10,282,161 km (0.092 R)
• M14: 12,997,811 km (0.092 R)
• M15: 17,812,020 km (0.106 R)
• M16: 21,457,720 km (0.094 R)
• M17: 29,437,420 km (0.086 R)
• M18: 30,744,756 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895

Radius: 3.3

Gravity: 82.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.16 AU - 6.38 AU

Year: 10649 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,643,602 km

• M1: 40,990 km (0.092 R)
• M2: 197,320 km (0.086 R)
• M3: 471,383 km (0.072 R)
• M4: 1,881,044 km (0.119 R)
• M5: 2,075,521 km (0.055 R)
• M6: 2,302,760 km (0.108 R)
• M7: 3,776,897 km (0.109 R)
• M8: 4,504,541 km (0.085 R)
• M9: 10,916,605 km (0.111 R)
• M10: 13,307,927 km (0.068 R)
• M11: 15,105,645 km (0.054 R)
• M12: 15,526,015 km (0.094 R)
• M13: 20,677,118 km (0.043 R)
• M14: 25,952,837 km (0.115 R)
• M15: 26,252,930 km (0.101 R)
• M16: 30,147,113 km (0.065 R)
• M17: 33,573,801 km (0.12 R)
• M18: 33,811,064 km (0.09 R)
• M19: 35,136,052 km (0.113 R)
• M20: 36,121,154 km (0.119 R)
• M21: 36,746,024 km (0.035 R)
• M22: 38,146,260 km (0.112 R)
• M23: 41,869,901 km (0.103 R)
• M24: 42,144,862 km (0.082 R)
• M25: 48,500,976 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit