🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.48 AU - 0.64 AU

Year: 152 Days

Day: 18.4 Hours

Environment

Temp: 175 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.02 AU - 1.16 AU

Year: 412 Days

Day: 35.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 47.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.22 AU - 1.5 AU

Year: 574 Days

Day: 21.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,750,564 km

• M1: 841,787 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.53 AU - 3.95 AU

Year: 2616 Days

Day: 13.5 Hours

Environment

Temp: -113 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.2 AU - 5.68 AU

Year: 3971 Days

Day: 16.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,750,564 km

• M1: 3,345,308 km (0.041 R)

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 12.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.59 AU - 6.07 AU

Year: 5091 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,750,564 km

• M1: 157,975 km (0.114 R)
• M2: 560,992 km (0.112 R)
• M3: 1,051,823 km (0.108 R)
• M4: 2,321,609 km (0.037 R)
• M5: 2,801,370 km (0.067 R)
• M6: 4,043,331 km (0.105 R)
• M7: 4,544,933 km (0.05 R)
• M8: 6,387,081 km (0.107 R)
• M9: 7,129,236 km (0.099 R)
• M10: 16,195,914 km (0.116 R)
• M11: 17,358,739 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 8

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.7 AU - 8.44 AU

Year: 6799 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,750,564 km

• M1: 100,829 km (0.118 R)
• M2: 350,657 km (0.114 R)
• M3: 749,635 km (0.066 R)
• M4: 1,151,305 km (0.115 R)
• M5: 1,796,371 km (0.052 R)
• M6: 2,325,798 km (0.115 R)
• M7: 3,310,152 km (0.067 R)
• M8: 3,605,608 km (0.031 R)
• M9: 3,872,939 km (0.104 R)
• M10: 4,651,447 km (0.087 R)
• M11: 5,160,678 km (0.115 R)
• M12: 5,856,457 km (0.101 R)
• M13: 6,646,334 km (0.106 R)
• M14: 10,525,557 km (0.084 R)
• M15: 11,027,757 km (0.107 R)
• M16: 14,438,289 km (0.117 R)
• M17: 14,887,531 km (0.112 R)
• M18: 15,230,559 km (0.118 R)
• M19: 15,520,480 km (0.083 R)
• M20: 15,991,863 km (0.074 R)
• M21: 16,901,567 km (0.067 R)
• M22: 17,274,814 km (0.075 R)
• M23: 19,292,291 km (0.117 R)
• M24: 20,815,945 km (0.096 R)
• M25: 21,607,168 km (0.043 R)
• M26: 22,642,835 km (0.095 R)
• M27: 25,702,261 km (0.106 R)
• M28: 26,949,009 km (0.067 R)
• M29: 27,458,839 km (0.103 R)
• M30: 29,562,484 km (0.09 R)
• M31: 31,023,158 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 14.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.43 AU - 13.37 AU

Year: 15791 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,750,564 km

• M1: 195,824 km (0.044 R)
• M2: 788,979 km (0.114 R)
• M3: 1,533,528 km (0.06 R)
• M4: 2,112,472 km (0.096 R)
• M5: 3,505,826 km (0.08 R)
• M6: 4,038,095 km (0.077 R)
• M7: 5,855,111 km (0.085 R)
• M8: 8,264,834 km (0.025 R)
• M9: 8,907,656 km (0.108 R)
• M10: 9,477,474 km (0.107 R)
• M11: 13,092,656 km (0.103 R)
• M12: 13,762,406 km (0.053 R)
• M13: 14,384,882 km (0.057 R)
• M14: 15,316,877 km (0.117 R)
• M15: 16,985,641 km (0.105 R)
• M16: 19,025,857 km (0.078 R)
• M17: 21,870,012 km (0.119 R)
• M18: 22,433,248 km (0.073 R)
• M19: 24,381,012 km (0.115 R)
• M20: 25,088,610 km (0.107 R)
• M21: 26,228,396 km (0.08 R)
• M22: 28,057,230 km (0.117 R)
• M23: 28,722,642 km (0.085 R)
• M24: 34,938,134 km (0.044 R)
• M25: 35,967,816 km (0.068 R)
• M26: 43,750,496 km (0.042 R)
• M27: 44,495,643 km (0.105 R)
• M28: 45,858,180 km (0.049 R)
• M29: 46,781,797 km (0.069 R)
• M30: 48,666,431 km (0.083 R)
• M31: 50,112,893 km (0.119 R)
• M32: 54,452,129 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.4

Radius: 6.4

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.93 AU - 14.07 AU

Year: 17939 Days

Day: 20.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,750,564 km

• M1: 88,113 km (0.062 R)
• M2: 1,068,877 km (0.105 R)
• M3: 1,647,970 km (0.084 R)
• M4: 1,876,406 km (0.058 R)
• M5: 2,107,385 km (0.047 R)
• M6: 2,397,605 km (0.101 R)
• M7: 4,389,501 km (0.062 R)
• M8: 4,702,459 km (0.119 R)
• M9: 5,165,465 km (0.07 R)
• M10: 5,373,107 km (0.113 R)
• M11: 6,259,773 km (0.093 R)
• M12: 6,656,656 km (0.117 R)
• M13: 7,994,361 km (0.115 R)
• M14: 8,509,276 km (0.11 R)
• M15: 9,553,619 km (0.11 R)
• M16: 11,538,334 km (0.098 R)
• M17: 13,585,282 km (0.071 R)
• M18: 17,360,085 km (0.047 R)
• M19: 18,704,970 km (0.087 R)
• M20: 22,968,060 km (0.094 R)
• M21: 28,907,993 km (0.118 R)
• M22: 32,287,559 km (0.104 R)
• M23: 35,173,751 km (0.117 R)
• M24: 39,550,386 km (0.099 R)
• M25: 48,747,813 km (0.07 R)
• M26: 55,835,909 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.3

Radius: 6.1

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 13.67 AU - 20.67 AU

Year: 25730 Days

Day: 15.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,750,564 km

• M1: 76,145 km (0.097 R)
• M2: 442,810 km (0.068 R)
• M3: 1,830,629 km (0.109 R)
• M4: 2,026,902 km (0.117 R)
• M5: 2,604,499 km (0.084 R)
• M6: 4,047,520 km (0.109 R)
• M7: 11,102,406 km (0.05 R)
• M8: 12,794,358 km (0.038 R)
• M9: 26,327,729 km (0.083 R)
• M10: 28,210,568 km (0.086 R)
• M11: 32,110,585 km (0.106 R)
• M12: 33,306,769 km (0.113 R)
• M13: 46,607,815 km (0.026 R)
• M14: 47,796,520 km (0.097 R)
• M15: 55,924,920 km (0.102 R)
• M16: 64,299,110 km (0.108 R)
• M17: 65,983,582 km (0.114 R)
• M18: 69,440,340 km (0.112 R)
• M19: 78,606,500 km (0.087 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 12,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit