🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.46 AU - 2.04 AU

Year: 810 Days

Day: 23.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 10.1

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.04 AU - 9.9 AU

Year: 8624 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,277,199 km

• M1: 125,812 km (0.109 R)
• M2: 452,982 km (0.089 R)
• M3: 797,656 km (0.078 R)
• M4: 1,517,222 km (0.079 R)
• M5: 2,266,109 km (0.109 R)
• M6: 2,604,499 km (0.096 R)
• M7: 4,426,003 km (0.028 R)
• M8: 6,119,002 km (0.091 R)
• M9: 7,130,583 km (0.091 R)
• M10: 8,206,490 km (0.076 R)
• M11: 13,305,085 km (0.084 R)
• M12: 13,915,145 km (0.101 R)
• M13: 16,404,903 km (0.118 R)
• M14: 16,823,477 km (0.099 R)
• M15: 17,682,020 km (0.12 R)
• M16: 20,114,331 km (0.107 R)
• M17: 20,433,424 km (0.042 R)
• M18: 24,348,549 km (0.118 R)
• M19: 26,102,285 km (0.039 R)
• M20: 30,694,192 km (0.11 R)
• M21: 33,962,905 km (0.093 R)
• M22: 34,987,052 km (0.105 R)
• M23: 35,681,187 km (0.095 R)
• M24: 38,061,438 km (0.08 R)
• M25: 38,672,546 km (0.099 R)
• M26: 40,545,511 km (0.103 R)
• M27: 45,972,174 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.3

Radius: 14.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.15 AU - 11.19 AU

Year: 11346 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,277,199 km

• M1: 178,620 km (0.058 R)
• M2: 843,732 km (0.101 R)
• M3: 1,966,614 km (0.072 R)
• M4: 2,603,751 km (0.115 R)
• M5: 3,629,693 km (0.114 R)
• M6: 4,277,901 km (0.07 R)
• M7: 6,015,480 km (0.12 R)
• M8: 7,310,549 km (0.036 R)
• M9: 9,376,495 km (0.108 R)
• M10: 11,517,989 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.2

Radius: 5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 13.52 AU - 17.48 AU

Year: 21349 Days

Day: 25 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,277,199 km

• M1: 63,130 km (0.063 R)
• M2: 242,797 km (0.076 R)
• M3: 492,327 km (0.097 R)
• M4: 652,097 km (0.082 R)
• M5: 914,492 km (0.12 R)
• M6: 1,606,831 km (0.099 R)
• M7: 1,951,355 km (0.116 R)
• M8: 2,268,502 km (0.106 R)
• M9: 2,558,423 km (0.116 R)
• M10: 3,379,865 km (0.11 R)
• M11: 3,837,335 km (0.088 R)
• M12: 4,480,905 km (0.088 R)
• M13: 6,015,031 km (0.109 R)
• M14: 6,608,636 km (0.049 R)
• M15: 8,218,159 km (0.105 R)
• M16: 9,328,923 km (0.041 R)
• M17: 9,621,537 km (0.039 R)
• M18: 10,379,848 km (0.104 R)
• M19: 14,646,380 km (0.11 R)
• M20: 14,909,073 km (0.108 R)
• M21: 17,344,228 km (0.095 R)
• M22: 21,516,811 km (0.104 R)
• M23: 22,199,726 km (0.095 R)
• M24: 25,736,668 km (0.047 R)
• M25: 27,788,403 km (0.088 R)
• M26: 29,841,484 km (0.115 R)
• M27: 30,052,118 km (0.098 R)
• M28: 34,361,883 km (0.037 R)
• M29: 36,362,754 km (0.089 R)
• M30: 38,689,600 km (0.114 R)
• M31: 42,429,397 km (0.096 R)
• M32: 46,544,535 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.6

Radius: 6.1

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 13.85 AU - 20.19 AU

Year: 24565 Days

Day: 15.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,277,199 km

• M1: 76,295 km (0.07 R)
• M2: 631,153 km (0.119 R)
• M3: 2,271,644 km (0.06 R)
• M4: 3,121,808 km (0.034 R)
• M5: 5,615,904 km (0.098 R)
• M6: 8,127,652 km (0.03 R)
• M7: 8,324,374 km (0.102 R)
• M8: 9,518,314 km (0.061 R)
• M9: 14,272,235 km (0.089 R)
• M10: 19,775,193 km (0.078 R)
• M11: 28,873,885 km (0.112 R)
• M12: 35,225,362 km (0.102 R)
• M13: 36,278,531 km (0.111 R)
• M14: 37,624,164 km (0.101 R)
• M15: 38,034,361 km (0.111 R)
• M16: 49,937,415 km (0.049 R)
• M17: 53,646,096 km (0.108 R)
• M18: 53,992,116 km (0.051 R)
• M19: 58,626,358 km (0.027 R)
• M20: 62,940,911 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.1

Radius: 3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 13.7 AU - 20.6 AU

Year: 24847 Days

Day: 15.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,277,199 km

• M1: 37,399 km (0.096 R)
• M2: 631,153 km (0.075 R)
• M3: 750,682 km (0.042 R)
• M4: 2,838,919 km (0.082 R)
• M5: 3,704,642 km (0.057 R)
• M6: 4,676,878 km (0.066 R)
• M7: 4,901,275 km (0.059 R)
• M8: 7,035,289 km (0.114 R)
• M9: 10,035,624 km (0.076 R)
• M10: 10,267,799 km (0.026 R)
• M11: 13,507,491 km (0.102 R)
• M12: 15,022,319 km (0.116 R)
• M13: 15,510,158 km (0.095 R)
• M14: 18,041,054 km (0.09 R)
• M15: 18,384,232 km (0.03 R)
• M16: 20,312,698 km (0.074 R)
• M17: 22,767,749 km (0.045 R)
• M18: 32,502,531 km (0.057 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 14,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit