🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.7 AU - 0.76 AU

Year: 233 Days

Day: 43.4 Hours

Environment

Temp: 91 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,419,061 km

• M1: 45,328 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.1 AU - 1.41 AU

Year: 521 Days

Day: 30.6 Hours

Environment

Temp: -12 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.27 AU - 1.45 AU

Year: 591 Days

Day: 16.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,419,061 km

• M1: 154,385 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.51 AU - 1.67 AU

Year: 747 Days

Day: 37.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 8.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.33 AU - 7.55 AU

Year: 7565 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,419,061 km

• M1: 205,248 km (0.054 R)
• M2: 542,442 km (0.103 R)
• M3: 869,463 km (0.073 R)
• M4: 1,151,904 km (0.076 R)
• M5: 2,232,748 km (0.074 R)
• M6: 2,689,471 km (0.106 R)
• M7: 4,461,158 km (0.061 R)
• M8: 4,908,755 km (0.117 R)
• M9: 5,682,475 km (0.103 R)
• M10: 6,086,539 km (0.08 R)
• M11: 6,433,606 km (0.067 R)
• M12: 7,526,418 km (0.099 R)
• M13: 8,492,222 km (0.11 R)
• M14: 10,561,909 km (0.09 R)
• M15: 11,136,813 km (0.057 R)
• M16: 11,506,619 km (0.048 R)
• M17: 12,825,624 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 14.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.19 AU - 11.35 AU

Year: 10521 Days

Day: 5.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,419,061 km

• M1: 187,147 km (0.097 R)
• M2: 646,113 km (0.067 R)
• M3: 4,342,826 km (0.083 R)
• M4: 6,409,072 km (0.078 R)
• M5: 7,211,515 km (0.11 R)
• M6: 9,462,514 km (0.078 R)
• M7: 10,078,708 km (0.091 R)
• M8: 11,621,211 km (0.085 R)
• M9: 13,252,875 km (0.108 R)
• M10: 14,489,751 km (0.045 R)
• M11: 15,873,381 km (0.084 R)
• M12: 16,450,829 km (0.079 R)
• M13: 17,495,172 km (0.101 R)
• M14: 18,267,994 km (0.109 R)
• M15: 20,468,579 km (0.099 R)
• M16: 21,676,731 km (0.104 R)
• M17: 23,391,871 km (0.08 R)
• M18: 25,098,783 km (0.101 R)
• M19: 28,230,913 km (0.113 R)
• M20: 29,510,424 km (0.107 R)
• M21: 32,185,084 km (0.065 R)
• M22: 33,581,431 km (0.064 R)
• M23: 34,414,392 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 8.4

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.32 AU - 10.5 AU

Year: 10761 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,419,061 km

• M1: 104,419 km (0.098 R)
• M2: 441,015 km (0.092 R)
• M3: 718,070 km (0.1 R)
• M4: 1,400,834 km (0.038 R)
• M5: 1,813,874 km (0.072 R)
• M6: 2,364,095 km (0.111 R)
• M7: 2,975,502 km (0.108 R)
• M8: 3,480,993 km (0.057 R)
• M9: 3,986,783 km (0.05 R)
• M10: 4,272,066 km (0.104 R)
• M11: 4,884,071 km (0.088 R)
• M12: 5,873,661 km (0.065 R)
• M13: 6,206,367 km (0.094 R)
• M14: 6,909,776 km (0.115 R)
• M15: 7,708,778 km (0.1 R)
• M16: 11,759,440 km (0.112 R)
• M17: 20,194,067 km (0.081 R)
• M18: 25,040,140 km (0.106 R)
• M19: 26,712,944 km (0.03 R)
• M20: 28,041,373 km (0.118 R)
• M21: 28,458,901 km (0.107 R)
• M22: 33,679,717 km (0.118 R)
• M23: 34,033,067 km (0.094 R)
• M24: 34,508,190 km (0.12 R)
• M25: 35,593,223 km (0.082 R)
• M26: 36,576,829 km (0.101 R)
• M27: 40,293,887 km (0.103 R)
• M28: 43,415,396 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 10.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 11.03 AU - 12.43 AU

Year: 14976 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,419,061 km

• M1: 137,181 km (0.09 R)
• M2: 672,891 km (0.055 R)
• M3: 1,059,452 km (0.12 R)
• M4: 2,192,506 km (0.082 R)
• M5: 2,697,698 km (0.059 R)
• M6: 3,491,315 km (0.105 R)
• M7: 5,034,417 km (0.053 R)
• M8: 8,138,124 km (0.068 R)
• M9: 8,681,314 km (0.109 R)
• M10: 9,407,612 km (0.113 R)
• M11: 10,117,753 km (0.109 R)
• M12: 10,629,976 km (0.115 R)
• M13: 11,159,552 km (0.073 R)
• M14: 12,723,299 km (0.114 R)
• M15: 13,797,711 km (0.115 R)
• M16: 18,037,614 km (0.1 R)
• M17: 18,622,242 km (0.056 R)
• M18: 19,741,384 km (0.06 R)
• M19: 21,736,870 km (0.116 R)
• M20: 26,019,109 km (0.103 R)
• M21: 27,746,515 km (0.062 R)
• M22: 29,549,170 km (0.063 R)
• M23: 32,520,034 km (0.09 R)
• M24: 36,341,362 km (0.111 R)
• M25: 38,222,854 km (0.08 R)
• M26: 38,910,406 km (0.042 R)
• M27: 45,627,351 km (0.12 R)
• M28: 51,061,643 km (0.12 R)
• M29: 51,895,651 km (0.085 R)
• M30: 53,248,764 km (0.116 R)
• M31: 53,590,744 km (0.103 R)
• M32: 61,677,257 km (0.108 R)
• M33: 64,737,731 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684

Radius: 6.5

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 12.88 AU - 18.7 AU

Year: 23390 Days

Day: 16.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,419,061 km

• M1: 81,680 km (0.046 R)
• M2: 556,504 km (0.088 R)
• M3: 930,798 km (0.111 R)
• M4: 1,632,711 km (0.107 R)
• M5: 2,033,185 km (0.084 R)
• M6: 2,792,992 km (0.074 R)
• M7: 3,484,134 km (0.112 R)
• M8: 4,215,818 km (0.119 R)
• M9: 5,851,072 km (0.073 R)
• M10: 7,167,533 km (0.047 R)
• M11: 8,451,681 km (0.065 R)
• M12: 11,202,637 km (0.104 R)
• M13: 11,871,189 km (0.075 R)
• M14: 12,636,831 km (0.06 R)
• M15: 15,131,226 km (0.066 R)
• M16: 15,864,705 km (0.108 R)
• M17: 21,069,065 km (0.061 R)
• M18: 25,903,619 km (0.025 R)
• M19: 26,716,684 km (0.025 R)
• M20: 28,149,682 km (0.105 R)
• M21: 28,393,377 km (0.089 R)
• M22: 36,811,847 km (0.117 R)
• M23: 37,103,264 km (0.108 R)
• M24: 37,838,837 km (0.104 R)
• M25: 39,187,162 km (0.063 R)
• M26: 40,257,834 km (0.118 R)
• M27: 41,979,556 km (0.12 R)
• M28: 46,073,751 km (0.074 R)
• M29: 53,165,288 km (0.114 R)
• M30: 64,266,348 km (0.06 R)
• M31: 69,462,331 km (0.089 R)
• M32: 77,292,433 km (0.116 R)
• M33: 77,770,398 km (0.1 R)
• M34: 82,910,132 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 11,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit