🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.63 AU - 0.69 AU

Year: 234 Days

Day: 15.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 151.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.72 AU - 1.02 AU

Year: 354 Days

Day: 36 Hours

Environment

Temp: -54 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.09 AU - 1.69 AU

Year: 715 Days

Day: 38.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.8

Radius: 8.4

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.32 AU - 4.1 AU

Year: 3120 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,684,901 km

• M1: 104,569 km (0.086 R)
• M2: 458,817 km (0.111 R)
• M3: 801,396 km (0.093 R)
• M4: 1,225,506 km (0.072 R)
• M5: 1,576,762 km (0.105 R)
• M6: 1,934,151 km (0.081 R)
• M7: 2,645,638 km (0.109 R)
• M8: 3,170,428 km (0.114 R)
• M9: 3,485,032 km (0.084 R)
• M10: 4,843,979 km (0.114 R)
• M11: 5,214,982 km (0.027 R)
• M12: 6,892,124 km (0.076 R)
• M13: 7,362,010 km (0.112 R)
• M14: 8,042,980 km (0.094 R)
• M15: 10,605,292 km (0.066 R)
• M16: 12,091,846 km (0.088 R)
• M17: 12,387,900 km (0.082 R)
• M18: 13,260,804 km (0.115 R)
• M19: 15,671,873 km (0.052 R)
• M20: 16,074,890 km (0.045 R)
• M21: 16,901,567 km (0.117 R)
• M22: 17,540,051 km (0.085 R)
• M23: 18,416,246 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.09 AU - 5.15 AU

Year: 3651 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,684,901 km

• M1: 99,483 km (0.11 R)
• M2: 388,655 km (0.11 R)
• M3: 1,869,375 km (0.114 R)
• M4: 2,213,151 km (0.037 R)
• M5: 3,231,314 km (0.071 R)
• M6: 4,187,992 km (0.034 R)
• M7: 7,323,265 km (0.078 R)
• M8: 9,256,069 km (0.06 R)
• M9: 10,853,625 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.8

Radius: 8.3

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.46 AU - 8.92 AU

Year: 8417 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,684,901 km

• M1: 103,223 km (0.105 R)
• M2: 623,674 km (0.119 R)
• M3: 1,150,408 km (0.114 R)
• M4: 1,581,848 km (0.09 R)
• M5: 1,851,872 km (0.113 R)
• M6: 2,770,104 km (0.097 R)
• M7: 3,500,141 km (0.066 R)
• M8: 5,845,986 km (0.107 R)
• M9: 7,487,224 km (0.071 R)
• M10: 9,856,256 km (0.039 R)
• M11: 11,319,622 km (0.028 R)
• M12: 13,903,327 km (0.12 R)
• M13: 18,861,599 km (0.111 R)
• M14: 22,031,578 km (0.08 R)
• M15: 25,445,551 km (0.063 R)
• M16: 28,075,332 km (0.103 R)
• M17: 31,095,862 km (0.115 R)
• M18: 33,075,940 km (0.106 R)
• M19: 34,557,108 km (0.086 R)
• M20: 42,765,095 km (0.099 R)
• M21: 43,976,239 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.7

Radius: 15

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.26 AU - 7.64 AU

Year: 8877 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,684,901 km

• M1: 189,690 km (0.066 R)
• M2: 727,794 km (0.069 R)
• M3: 1,256,921 km (0.116 R)
• M4: 2,448,768 km (0.107 R)
• M5: 3,187,033 km (0.069 R)
• M6: 3,823,123 km (0.104 R)
• M7: 5,476,180 km (0.117 R)
• M8: 5,955,790 km (0.055 R)
• M9: 9,958,132 km (0.054 R)
• M10: 11,174,213 km (0.111 R)
• M11: 12,761,746 km (0.102 R)
• M12: 16,777,252 km (0.085 R)
• M13: 26,652,955 km (0.094 R)
• M14: 32,279,481 km (0.113 R)
• M15: 39,119,843 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.5

Radius: 10.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.64 AU - 9.88 AU

Year: 12301 Days

Day: 10.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,684,901 km

• M1: 125,662 km (0.094 R)
• M2: 820,694 km (0.053 R)
• M3: 1,197,830 km (0.079 R)
• M4: 1,545,795 km (0.117 R)
• M5: 2,206,269 km (0.056 R)
• M6: 2,695,155 km (0.098 R)
• M7: 3,114,029 km (0.108 R)
• M8: 4,982,357 km (0.051 R)
• M9: 5,376,847 km (0.084 R)
• M10: 6,191,557 km (0.104 R)
• M11: 6,570,488 km (0.101 R)
• M12: 7,501,436 km (0.025 R)
• M13: 8,517,953 km (0.082 R)
• M14: 8,987,541 km (0.104 R)
• M15: 10,447,915 km (0.053 R)
• M16: 11,656,816 km (0.099 R)
• M17: 12,118,774 km (0.103 R)
• M18: 14,089,875 km (0.069 R)
• M19: 16,194,867 km (0.112 R)
• M20: 18,892,865 km (0.094 R)
• M21: 22,669,613 km (0.112 R)
• M22: 24,405,397 km (0.096 R)
• M23: 25,934,436 km (0.092 R)
• M24: 26,722,518 km (0.104 R)
• M25: 27,323,901 km (0.039 R)
• M26: 29,606,466 km (0.078 R)
• M27: 30,576,010 km (0.117 R)
• M28: 31,233,941 km (0.118 R)
• M29: 35,142,185 km (0.094 R)
• M30: 37,337,684 km (0.111 R)
• M31: 39,364,735 km (0.068 R)
• M32: 42,405,611 km (0.059 R)
• M33: 45,457,407 km (0.047 R)
• M34: 45,884,659 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit