🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.42 AU - 0.62 AU

Year: 238 Days

Day: 46 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 11.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.17 AU - 1.27 AU

Year: 857 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,163,670 km

• M1: 146,756 km (0.03 R)
• M2: 552,016 km (0.063 R)
• M3: 930,349 km (0.104 R)
• M4: 1,323,492 km (0.075 R)
• M5: 2,220,631 km (0.115 R)
• M6: 2,797,630 km (0.104 R)
• M7: 3,643,157 km (0.082 R)
• M8: 4,047,969 km (0.117 R)
• M9: 4,466,095 km (0.115 R)
• M10: 4,895,441 km (0.042 R)
• M11: 5,640,139 km (0.117 R)
• M12: 6,163,582 km (0.114 R)
• M13: 7,215,404 km (0.081 R)
• M14: 7,735,855 km (0.063 R)
• M15: 8,205,443 km (0.04 R)
• M16: 8,694,030 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 12.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.55 AU

Year: 1008 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,163,670 km

• M1: 160,519 km (0.085 R)
• M2: 696,528 km (0.076 R)
• M3: 1,127,669 km (0.105 R)
• M4: 1,919,490 km (0.102 R)
• M5: 2,762,474 km (0.071 R)
• M6: 3,620,867 km (0.1 R)
• M7: 4,082,077 km (0.09 R)
• M8: 8,915,883 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 14.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.98 AU - 3.16 AU

Year: 2620 Days

Day: 7.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,163,670 km

• M1: 184,005 km (0.101 R)
• M2: 780,452 km (0.073 R)
• M3: 1,399,488 km (0.077 R)
• M4: 2,043,956 km (0.12 R)
• M5: 2,632,324 km (0.106 R)
• M6: 3,333,340 km (0.079 R)
• M7: 4,176,473 km (0.092 R)
• M8: 5,486,053 km (0.086 R)
• M9: 6,106,735 km (0.091 R)
• M10: 7,790,010 km (0.087 R)
• M11: 10,908,078 km (0.101 R)
• M12: 11,812,248 km (0.104 R)
• M13: 12,765,785 km (0.065 R)
• M14: 13,770,035 km (0.119 R)
• M15: 14,268,795 km (0.053 R)
• M16: 16,945,699 km (0.109 R)
• M17: 17,518,958 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 9.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.45 AU - 3.55 AU

Year: 3304 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,163,670 km

• M1: 113,545 km (0.108 R)
• M2: 564,134 km (0.115 R)
• M3: 951,891 km (0.092 R)
• M4: 1,285,644 km (0.116 R)
• M5: 1,729,800 km (0.118 R)
• M6: 2,474,798 km (0.111 R)
• M7: 2,791,197 km (0.111 R)
• M8: 3,384,951 km (0.098 R)
• M9: 4,060,535 km (0.111 R)
• M10: 4,587,120 km (0.112 R)
• M11: 5,654,052 km (0.116 R)
• M12: 6,685,678 km (0.099 R)
• M13: 7,046,658 km (0.099 R)
• M14: 8,334,247 km (0.059 R)
• M15: 10,274,083 km (0.083 R)
• M16: 11,407,735 km (0.102 R)
• M17: 12,622,620 km (0.098 R)
• M18: 14,146,573 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 12.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.25 AU - 3.91 AU

Year: 4307 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,163,670 km

• M1: 153,936 km (0.068 R)
• M2: 591,360 km (0.095 R)
• M3: 1,028,485 km (0.091 R)
• M4: 2,186,971 km (0.084 R)
• M5: 3,132,729 km (0.098 R)
• M6: 5,200,022 km (0.077 R)
• M7: 6,907,532 km (0.106 R)
• M8: 8,236,859 km (0.116 R)
• M9: 9,280,304 km (0.116 R)
• M10: 10,023,506 km (0.115 R)
• M11: 10,453,301 km (0.059 R)
• M12: 12,641,020 km (0.091 R)
• M13: 14,675,551 km (0.042 R)
• M14: 18,345,785 km (0.107 R)
• M15: 21,154,186 km (0.085 R)
• M16: 21,862,981 km (0.092 R)
• M17: 29,058,489 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 10.3

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.49 AU - 4.95 AU

Year: 5512 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,163,670 km

• M1: 133,890 km (0.114 R)
• M2: 825,631 km (0.06 R)
• M3: 1,309,281 km (0.082 R)
• M4: 1,749,846 km (0.113 R)
• M5: 2,371,276 km (0.067 R)
• M6: 2,762,175 km (0.095 R)
• M7: 3,813,848 km (0.089 R)
• M8: 5,028,134 km (0.081 R)
• M9: 6,687,773 km (0.089 R)
• M10: 7,623,507 km (0.1 R)
• M11: 8,726,493 km (0.099 R)
• M12: 12,886,361 km (0.098 R)
• M13: 14,563,054 km (0.094 R)
• M14: 15,393,322 km (0.096 R)
• M15: 16,317,537 km (0.071 R)
• M16: 17,018,553 km (0.119 R)
• M17: 18,686,420 km (0.102 R)
• M18: 20,097,128 km (0.098 R)
• M19: 23,050,190 km (0.06 R)
• M20: 25,936,381 km (0.088 R)
• M21: 31,138,647 km (0.067 R)
• M22: 33,016,549 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.6

Radius: 9.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.84 AU - 4.84 AU

Year: 6770 Days

Day: 5.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,163,670 km

• M1: 123,119 km (0.031 R)
• M2: 534,663 km (0.066 R)
• M3: 1,754,633 km (0.117 R)
• M4: 2,529,999 km (0.049 R)
• M5: 4,159,569 km (0.057 R)
• M6: 4,981,160 km (0.108 R)
• M7: 5,730,795 km (0.091 R)
• M8: 6,178,841 km (0.049 R)
• M9: 6,618,060 km (0.028 R)
• M10: 7,179,052 km (0.12 R)
• M11: 7,879,619 km (0.114 R)
• M12: 8,246,583 km (0.104 R)
• M13: 9,663,274 km (0.104 R)
• M14: 10,342,299 km (0.119 R)
• M15: 11,098,516 km (0.106 R)
• M16: 12,374,586 km (0.061 R)
• M17: 14,063,995 km (0.083 R)
• M18: 14,495,734 km (0.026 R)
• M19: 15,047,751 km (0.039 R)
• M20: 15,499,387 km (0.094 R)
• M21: 16,908,898 km (0.117 R)
• M22: 18,274,277 km (0.108 R)
• M23: 18,594,567 km (0.11 R)
• M24: 20,184,493 km (0.086 R)
• M25: 20,873,092 km (0.099 R)
• M26: 21,791,473 km (0.051 R)
• M27: 23,482,079 km (0.103 R)
• M28: 26,058,004 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 17,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit