🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.33 AU - 1.77 AU

Year: 701 Days

Day: 12.6 Hours

Environment

Temp: -34 °C

Axial Tilt: 68.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.29 AU - 3.51 AU

Year: 2278 Days

Day: 32.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,403,090 km

• M1: 803,041 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.56 AU - 4.16 AU

Year: 2756 Days

Day: 17.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 10.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.14 AU - 5.88 AU

Year: 4076 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,403,090 km

• M1: 131,945 km (0.042 R)
• M2: 627,413 km (0.073 R)
• M3: 1,314,816 km (0.108 R)
• M4: 1,943,725 km (0.096 R)
• M5: 2,661,795 km (0.085 R)
• M6: 3,064,512 km (0.078 R)
• M7: 3,692,674 km (0.059 R)
• M8: 4,743,748 km (0.107 R)
• M9: 5,339,148 km (0.104 R)
• M10: 6,869,385 km (0.067 R)
• M11: 7,427,983 km (0.089 R)
• M12: 10,515,534 km (0.105 R)
• M13: 11,124,546 km (0.073 R)
• M14: 11,665,044 km (0.117 R)
• M15: 13,044,037 km (0.115 R)
• M16: 15,120,455 km (0.108 R)
• M17: 15,505,221 km (0.089 R)
• M18: 16,351,795 km (0.102 R)
• M19: 16,992,074 km (0.1 R)
• M20: 17,528,233 km (0.088 R)
• M21: 18,322,598 km (0.096 R)
• M22: 20,782,585 km (0.116 R)
• M23: 22,091,566 km (0.095 R)
• M24: 24,645,651 km (0.079 R)
• M25: 25,410,096 km (0.119 R)
• M26: 26,745,855 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 13.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.1 AU - 7.5 AU

Year: 5747 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,403,090 km

• M1: 163,510 km (0.062 R)
• M2: 596,746 km (0.105 R)
• M3: 1,154,447 km (0.082 R)
• M4: 1,668,615 km (0.086 R)
• M5: 2,335,372 km (0.05 R)
• M6: 2,809,897 km (0.091 R)
• M7: 3,368,794 km (0.098 R)
• M8: 4,587,718 km (0.061 R)
• M9: 5,071,517 km (0.097 R)
• M10: 5,617,400 km (0.104 R)
• M11: 6,354,918 km (0.118 R)
• M12: 7,189,374 km (0.1 R)
• M13: 9,195,033 km (0.108 R)
• M14: 10,135,705 km (0.117 R)
• M15: 11,457,851 km (0.05 R)
• M16: 13,704,362 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 9.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.86 AU - 9.16 AU

Year: 8239 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,403,090 km

• M1: 130,300 km (0.093 R)
• M2: 509,680 km (0.066 R)
• M3: 1,065,735 km (0.077 R)
• M4: 1,498,372 km (0.052 R)
• M5: 2,005,509 km (0.085 R)
• M6: 2,559,769 km (0.056 R)
• M7: 2,890,829 km (0.061 R)
• M8: 4,607,764 km (0.06 R)
• M9: 5,990,796 km (0.03 R)
• M10: 6,793,239 km (0.069 R)
• M11: 7,498,743 km (0.103 R)
• M12: 8,287,722 km (0.105 R)
• M13: 9,592,963 km (0.098 R)
• M14: 11,334,432 km (0.061 R)
• M15: 13,131,402 km (0.103 R)
• M16: 14,689,314 km (0.056 R)
• M17: 15,378,063 km (0.108 R)
• M18: 15,922,300 km (0.11 R)
• M19: 18,168,661 km (0.086 R)
• M20: 19,778,783 km (0.112 R)
• M21: 22,162,027 km (0.059 R)
• M22: 22,646,724 km (0.102 R)
• M23: 22,997,381 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.8

Radius: 7.3

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 12.68 AU - 16.8 AU

Year: 20567 Days

Day: 24.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,403,090 km

• M1: 91,255 km (0.098 R)
• M2: 380,427 km (0.12 R)
• M3: 2,883,349 km (0.117 R)
• M4: 3,224,433 km (0.091 R)
• M5: 4,082,975 km (0.078 R)
• M6: 4,479,708 km (0.075 R)
• M7: 6,459,337 km (0.115 R)
• M8: 6,725,172 km (0.098 R)
• M9: 10,213,645 km (0.04 R)
• M10: 10,514,337 km (0.1 R)
• M11: 11,645,895 km (0.099 R)
• M12: 12,107,255 km (0.092 R)
• M13: 14,223,317 km (0.088 R)
• M14: 15,525,865 km (0.119 R)
• M15: 16,165,546 km (0.07 R)
• M16: 17,412,295 km (0.104 R)
• M17: 18,190,353 km (0.093 R)
• M18: 19,630,382 km (0.06 R)
• M19: 20,568,062 km (0.118 R)
• M20: 24,404,798 km (0.118 R)
• M21: 29,171,734 km (0.115 R)
• M22: 35,202,025 km (0.111 R)
• M23: 37,288,765 km (0.076 R)
• M24: 39,309,384 km (0.114 R)
• M25: 41,706,839 km (0.109 R)
• M26: 44,359,060 km (0.064 R)
• M27: 45,160,007 km (0.102 R)
• M28: 48,969,068 km (0.071 R)
• M29: 49,481,291 km (0.054 R)
• M30: 49,996,955 km (0.11 R)
• M31: 58,934,829 km (0.073 R)
• M32: 65,106,639 km (0.049 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 14,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit