🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.65 AU - 0.69 AU

Year: 360 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,737,653 km

• M1: 262,544 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 12.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.77 AU - 0.91 AU

Year: 505 Days

Day: 5.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,737,653 km

• M1: 154,235 km (0.098 R)
• M2: 618,138 km (0.086 R)
• M3: 1,060,200 km (0.065 R)
• M4: 1,544,000 km (0.088 R)
• M5: 2,289,745 km (0.119 R)
• M6: 2,761,726 km (0.11 R)
• M7: 3,252,108 km (0.106 R)
• M8: 4,554,208 km (0.062 R)
• M9: 4,990,435 km (0.112 R)
• M10: 5,739,921 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.8

Radius: 12.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.35 AU - 1.45 AU

Year: 1087 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,737,653 km

• M1: 151,842 km (0.114 R)
• M2: 544,686 km (0.112 R)
• M3: 983,456 km (0.096 R)
• M4: 1,478,027 km (0.072 R)
• M5: 1,991,297 km (0.092 R)
• M6: 2,610,034 km (0.12 R)
• M7: 3,339,324 km (0.1 R)
• M8: 4,234,667 km (0.104 R)
• M9: 4,739,261 km (0.119 R)
• M10: 6,000,969 km (0.089 R)
• M11: 6,452,455 km (0.067 R)
• M12: 7,759,941 km (0.105 R)
• M13: 8,407,101 km (0.067 R)
• M14: 9,325,632 km (0.112 R)
• M15: 9,840,249 km (0.098 R)
• M16: 10,566,546 km (0.052 R)
• M17: 11,059,322 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.2

Radius: 10.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.17 AU - 3.47 AU

Year: 3107 Days

Day: 10.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,737,653 km

• M1: 135,835 km (0.08 R)
• M2: 518,357 km (0.098 R)
• M3: 1,306,588 km (0.041 R)
• M4: 1,862,493 km (0.071 R)
• M5: 2,988,965 km (0.119 R)
• M6: 3,923,952 km (0.093 R)
• M7: 5,413,498 km (0.114 R)
• M8: 7,842,968 km (0.092 R)
• M9: 9,503,354 km (0.088 R)
• M10: 14,497,829 km (0.085 R)
• M11: 15,200,939 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.7

Radius: 15

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.9 AU - 3.1 AU

Year: 3409 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,737,653 km

• M1: 197,469 km (0.118 R)
• M2: 802,144 km (0.104 R)
• M3: 1,275,771 km (0.115 R)
• M4: 1,841,550 km (0.103 R)
• M5: 2,310,689 km (0.093 R)
• M6: 2,876,767 km (0.109 R)
• M7: 3,535,297 km (0.076 R)
• M8: 5,620,392 km (0.106 R)
• M9: 6,270,694 km (0.107 R)
• M10: 7,385,647 km (0.112 R)
• M11: 7,879,918 km (0.028 R)
• M12: 10,157,546 km (0.11 R)
• M13: 10,887,733 km (0.091 R)
• M14: 12,281,836 km (0.078 R)
• M15: 13,245,545 km (0.115 R)
• M16: 15,224,874 km (0.025 R)
• M17: 16,807,470 km (0.115 R)
• M18: 17,286,932 km (0.105 R)
• M19: 18,837,214 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 13.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.66 AU - 4.28 AU

Year: 4240 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 66.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,737,653 km

• M1: 170,392 km (0.12 R)
• M2: 1,305,391 km (0.062 R)
• M3: 1,845,888 km (0.082 R)
• M4: 2,486,616 km (0.104 R)
• M5: 3,272,902 km (0.117 R)
• M6: 5,766,699 km (0.057 R)
• M7: 6,946,876 km (0.037 R)
• M8: 7,771,609 km (0.093 R)
• M9: 9,866,129 km (0.114 R)
• M10: 10,422,035 km (0.088 R)
• M11: 11,044,063 km (0.114 R)
• M12: 11,785,171 km (0.097 R)
• M13: 13,060,193 km (0.086 R)
• M14: 14,974,747 km (0.086 R)
• M15: 17,623,078 km (0.082 R)
• M16: 18,765,108 km (0.08 R)
• M17: 20,432,227 km (0.067 R)
• M18: 21,907,411 km (0.062 R)
• M19: 24,136,569 km (0.112 R)
• M20: 26,594,761 km (0.057 R)
• M21: 28,266,817 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.6

Radius: 7.4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.82 AU - 11.76 AU

Year: 23251 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,737,653 km

• M1: 99,034 km (0.117 R)
• M2: 358,885 km (0.072 R)
• M3: 773,720 km (0.066 R)
• M4: 1,015,470 km (0.086 R)
• M5: 1,498,821 km (0.078 R)
• M6: 1,882,240 km (0.112 R)
• M7: 3,169,829 km (0.12 R)
• M8: 4,260,996 km (0.046 R)
• M9: 7,619,917 km (0.093 R)
• M10: 10,743,820 km (0.065 R)
• M11: 11,346,550 km (0.056 R)
• M12: 11,844,860 km (0.086 R)
• M13: 12,422,757 km (0.111 R)
• M14: 12,818,443 km (0.112 R)
• M15: 14,055,767 km (0.105 R)
• M16: 18,583,646 km (0.081 R)
• M17: 28,175,861 km (0.085 R)
• M18: 33,191,280 km (0.101 R)
• M19: 37,117,476 km (0.045 R)
• M20: 43,721,623 km (0.088 R)
• M21: 51,067,776 km (0.039 R)
• M22: 51,912,705 km (0.099 R)
• M23: 52,938,797 km (0.112 R)
• M24: 57,906,793 km (0.066 R)
• M25: 62,983,097 km (0.101 R)
• M26: 65,529,851 km (0.043 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: 166 - 10,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit