🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 22 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,676,736 km

• M1: 183,557 km (0.072 R)
• M2: 248,183 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.5 AU - 0.8 AU

Year: 338 Days

Day: 44.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 10.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1 AU - 1.38 AU

Year: 838 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,676,736 km

• M1: 134,937 km (0.034 R)
• M2: 518,357 km (0.089 R)
• M3: 881,131 km (0.065 R)
• M4: 1,335,759 km (0.05 R)
• M5: 1,807,591 km (0.043 R)
• M6: 2,625,742 km (0.11 R)
• M7: 2,966,675 km (0.08 R)
• M8: 3,385,699 km (0.077 R)
• M9: 3,765,079 km (0.073 R)
• M10: 4,130,547 km (0.114 R)
• M11: 4,490,180 km (0.07 R)
• M12: 6,347,886 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 11.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.12 AU - 1.52 AU

Year: 979 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,676,736 km

• M1: 144,362 km (0.066 R)
• M2: 512,373 km (0.113 R)
• M3: 1,097,600 km (0.069 R)
• M4: 1,522,458 km (0.051 R)
• M5: 2,038,869 km (0.099 R)
• M6: 2,418,250 km (0.118 R)
• M7: 2,977,746 km (0.06 R)
• M8: 3,678,761 km (0.117 R)
• M9: 4,076,692 km (0.073 R)
• M10: 4,552,562 km (0.079 R)
• M11: 4,924,762 km (0.099 R)
• M12: 5,502,958 km (0.081 R)
• M13: 6,025,503 km (0.103 R)
• M14: 6,496,736 km (0.054 R)
• M15: 6,926,232 km (0.055 R)
• M16: 7,466,729 km (0.102 R)
• M17: 8,632,396 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.3

Radius: 8.2

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.82 AU - 2.5 AU

Year: 2050 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,676,736 km

• M1: 102,026 km (0.068 R)
• M2: 401,221 km (0.068 R)
• M3: 921,822 km (0.05 R)
• M4: 1,581,100 km (0.041 R)
• M5: 1,876,107 km (0.086 R)
• M6: 2,823,809 km (0.093 R)
• M7: 5,049,377 km (0.065 R)
• M8: 5,389,263 km (0.048 R)
• M9: 5,841,498 km (0.111 R)
• M10: 6,713,803 km (0.087 R)
• M11: 7,380,112 km (0.085 R)
• M12: 7,938,261 km (0.102 R)
• M13: 9,644,276 km (0.073 R)
• M14: 10,062,102 km (0.096 R)
• M15: 10,859,609 km (0.089 R)
• M16: 11,388,587 km (0.103 R)
• M17: 12,620,974 km (0.11 R)
• M18: 14,250,095 km (0.11 R)
• M19: 15,068,694 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 14.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.72 AU - 3.06 AU

Year: 3172 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,676,736 km

• M1: 185,352 km (0.115 R)
• M2: 699,968 km (0.105 R)
• M3: 1,244,953 km (0.118 R)
• M4: 2,452,507 km (0.112 R)
• M5: 3,142,902 km (0.092 R)
• M6: 3,998,003 km (0.101 R)
• M7: 4,501,400 km (0.119 R)
• M8: 5,474,235 km (0.086 R)
• M9: 7,261,181 km (0.11 R)
• M10: 9,444,712 km (0.106 R)
• M11: 11,263,224 km (0.095 R)
• M12: 12,517,751 km (0.055 R)
• M13: 13,518,262 km (0.081 R)
• M14: 15,678,904 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.7

Radius: 8.5

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.83 AU - 4.91 AU

Year: 5898 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,676,736 km

• M1: 112,647 km (0.111 R)
• M2: 430,842 km (0.086 R)
• M3: 988,842 km (0.1 R)
• M4: 2,002,218 km (0.073 R)
• M5: 2,982,982 km (0.086 R)
• M6: 3,545,470 km (0.114 R)
• M7: 4,049,914 km (0.108 R)
• M8: 5,599,149 km (0.112 R)
• M9: 6,664,136 km (0.098 R)
• M10: 8,017,099 km (0.079 R)
• M11: 8,300,139 km (0.044 R)
• M12: 9,233,330 km (0.097 R)
• M13: 11,408,184 km (0.08 R)
• M14: 12,291,859 km (0.051 R)
• M15: 13,445,557 km (0.102 R)
• M16: 13,788,137 km (0.116 R)
• M17: 16,741,647 km (0.105 R)
• M18: 19,215,996 km (0.113 R)
• M19: 23,043,009 km (0.065 R)
• M20: 24,452,071 km (0.116 R)
• M21: 25,220,855 km (0.094 R)
• M22: 26,627,224 km (0.104 R)
• M23: 27,715,698 km (0.084 R)
• M24: 28,928,189 km (0.068 R)
• M25: 31,159,292 km (0.098 R)
• M26: 34,132,699 km (0.098 R)
• M27: 37,066,463 km (0.109 R)
• M28: 37,514,957 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.9

Radius: 5.7

Gravity: 19.85 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.16 AU - 10.18 AU

Year: 19416 Days

Day: 15.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,676,736 km

• M1: 77,492 km (0.095 R)
• M2: 271,371 km (0.109 R)
• M3: 533,316 km (0.114 R)
• M4: 796,758 km (0.081 R)
• M5: 1,889,421 km (0.111 R)
• M6: 2,082,702 km (0.082 R)
• M7: 2,289,296 km (0.04 R)
• M8: 2,992,705 km (0.099 R)
• M9: 3,681,454 km (0.12 R)
• M10: 4,015,955 km (0.101 R)
• M11: 6,000,819 km (0.103 R)
• M12: 6,951,364 km (0.089 R)
• M13: 7,849,849 km (0.108 R)
• M14: 8,098,481 km (0.074 R)
• M15: 10,822,808 km (0.109 R)
• M16: 14,694,400 km (0.06 R)
• M17: 18,248,397 km (0.087 R)
• M18: 18,685,372 km (0.087 R)
• M19: 20,038,036 km (0.087 R)
• M20: 20,785,577 km (0.065 R)
• M21: 22,435,492 km (0.074 R)
• M22: 24,275,695 km (0.048 R)
• M23: 25,556,851 km (0.057 R)
• M24: 35,675,502 km (0.1 R)
• M25: 47,018,611 km (0.075 R)
• M26: 47,674,448 km (0.07 R)
• M27: 49,172,371 km (0.056 R)
• M28: 66,942,354 km (0.037 R)
• M29: 71,375,538 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.5

Radius: 8

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.9 AU - 10.92 AU

Year: 20143 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,676,736 km

• M1: 99,931 km (0.082 R)
• M2: 986,299 km (0.077 R)
• M3: 1,261,708 km (0.108 R)
• M4: 2,028,098 km (0.082 R)
• M5: 2,353,773 km (0.079 R)
• M6: 2,980,887 km (0.053 R)
• M7: 3,757,599 km (0.078 R)
• M8: 4,788,478 km (0.09 R)
• M9: 5,206,604 km (0.107 R)
• M10: 8,505,686 km (0.08 R)
• M11: 8,847,368 km (0.107 R)
• M12: 9,158,830 km (0.12 R)
• M13: 9,721,618 km (0.045 R)
• M14: 10,521,817 km (0.102 R)
• M15: 14,218,978 km (0.026 R)
• M16: 16,679,265 km (0.12 R)
• M17: 23,224,770 km (0.065 R)
• M18: 27,101,599 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 19,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit