🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.49 AU - 0.73 AU

Year: 182 Days

Day: 29.2 Hours

Environment

Temp: 140 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.16 AU - 1.18 AU

Year: 485 Days

Day: 15.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 102,690,526 km

• M1: 27,825 km (0.091 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.24 AU - 3.34 AU

Year: 2285 Days

Day: 20 Hours

Environment

Temp: -117 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 8.1

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.32 AU - 4.7 AU

Year: 3667 Days

Day: 10.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 102,690,526 km

• M1: 100,679 km (0.064 R)
• M2: 464,053 km (0.116 R)
• M3: 879,037 km (0.112 R)
• M4: 1,958,386 km (0.091 R)
• M5: 2,791,795 km (0.047 R)
• M6: 3,473,513 km (0.076 R)
• M7: 3,884,010 km (0.118 R)
• M8: 4,282,987 km (0.051 R)
• M9: 4,571,561 km (0.096 R)
• M10: 4,896,937 km (0.075 R)
• M11: 6,215,044 km (0.072 R)
• M12: 7,852,542 km (0.113 R)
• M13: 8,184,799 km (0.05 R)
• M14: 10,182,529 km (0.103 R)
• M15: 10,983,326 km (0.107 R)
• M16: 20,237,151 km (0.077 R)
• M17: 20,736,359 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.2

Radius: 9.3

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.3 AU - 6.52 AU

Year: 5501 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 102,690,526 km

• M1: 116,387 km (0.106 R)
• M2: 706,102 km (0.116 R)
• M3: 1,416,243 km (0.055 R)
• M4: 2,283,611 km (0.086 R)
• M5: 2,612,428 km (0.084 R)
• M6: 2,954,109 km (0.112 R)
• M7: 3,345,906 km (0.074 R)
• M8: 3,640,763 km (0.105 R)
• M9: 3,930,086 km (0.103 R)
• M10: 5,052,967 km (0.079 R)
• M11: 9,238,566 km (0.076 R)
• M12: 10,835,075 km (0.105 R)
• M13: 11,484,479 km (0.104 R)
• M14: 13,589,321 km (0.096 R)
• M15: 15,645,993 km (0.086 R)
• M16: 16,840,083 km (0.086 R)
• M17: 19,408,977 km (0.048 R)
• M18: 21,571,415 km (0.032 R)
• M19: 22,524,353 km (0.081 R)
• M20: 23,658,454 km (0.078 R)
• M21: 24,122,507 km (0.096 R)
• M22: 24,909,541 km (0.091 R)
• M23: 27,713,903 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.6

Radius: 8.3

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.45 AU - 10.53 AU

Year: 12090 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 102,690,526 km

• M1: 107,411 km (0.106 R)
• M2: 409,300 km (0.088 R)
• M3: 802,443 km (0.084 R)
• M4: 1,372,560 km (0.118 R)
• M5: 2,118,755 km (0.078 R)
• M6: 2,433,658 km (0.052 R)
• M7: 2,758,286 km (0.108 R)
• M8: 3,830,304 km (0.088 R)
• M9: 4,358,085 km (0.1 R)
• M10: 5,422,624 km (0.1 R)
• M11: 5,766,400 km (0.079 R)
• M12: 6,124,686 km (0.098 R)
• M13: 7,413,921 km (0.105 R)
• M14: 9,160,027 km (0.117 R)
• M15: 9,848,776 km (0.094 R)
• M16: 10,946,226 km (0.113 R)
• M17: 13,694,189 km (0.053 R)
• M18: 14,991,801 km (0.093 R)
• M19: 16,726,688 km (0.069 R)
• M20: 17,089,163 km (0.069 R)
• M21: 19,855,228 km (0.109 R)
• M22: 21,856,847 km (0.107 R)
• M23: 25,869,212 km (0.098 R)
• M24: 26,845,039 km (0.107 R)
• M25: 31,212,997 km (0.04 R)
• M26: 32,994,558 km (0.112 R)
• M27: 39,763,563 km (0.111 R)
• M28: 40,279,825 km (0.042 R)
• M29: 47,837,809 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.8

Radius: 3.3

Gravity: 51.13 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 14.94 AU - 15.1 AU

Year: 22288 Days

Day: 16 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 102,690,526 km

• M1: 40,990 km (0.095 R)
• M2: 220,507 km (0.089 R)
• M3: 727,494 km (0.086 R)
• M4: 921,672 km (0.115 R)
• M5: 1,999,525 km (0.093 R)
• M6: 2,425,430 km (0.115 R)
• M7: 2,807,503 km (0.031 R)
• M8: 5,454,189 km (0.118 R)
• M9: 5,652,705 km (0.077 R)
• M10: 6,992,653 km (0.06 R)
• M11: 9,462,963 km (0.07 R)
• M12: 11,657,564 km (0.111 R)
• M13: 13,366,719 km (0.102 R)
• M14: 14,468,508 km (0.117 R)
• M15: 19,298,724 km (0.078 R)
• M16: 19,852,385 km (0.08 R)
• M17: 20,894,933 km (0.054 R)
• M18: 21,185,452 km (0.115 R)
• M19: 27,692,660 km (0.104 R)
• M20: 28,160,752 km (0.057 R)
• M21: 29,353,795 km (0.096 R)
• M22: 30,332,165 km (0.113 R)
• M23: 31,205,817 km (0.084 R)
• M24: 34,194,632 km (0.028 R)
• M25: 36,104,249 km (0.077 R)
• M26: 36,803,171 km (0.1 R)
• M27: 37,085,163 km (0.086 R)
• M28: 38,372,303 km (0.1 R)
• M29: 42,877,592 km (0.11 R)
• M30: 62,398,319 km (0.058 R)
• M31: 69,022,363 km (0.072 R)
• M32: 69,236,587 km (0.081 R)
• M33: 69,451,260 km (0.109 R)
• M34: 70,748,723 km (0.055 R)
• M35: 74,062,615 km (0.099 R)
• M36: 75,189,835 km (0.027 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999

Radius: 3.6

Gravity: 77.08 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 12.79 AU - 20.47 AU

Year: 25966 Days

Day: 21.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 102,690,526 km

• M1: 44,879 km (0.11 R)
• M2: 166,951 km (0.106 R)
• M3: 302,936 km (0.113 R)
• M4: 426,952 km (0.09 R)
• M5: 673,789 km (0.119 R)
• M6: 853,755 km (0.108 R)
• M7: 1,198,429 km (0.079 R)
• M8: 1,610,421 km (0.065 R)
• M9: 1,726,808 km (0.071 R)
• M10: 2,298,122 km (0.097 R)
• M11: 2,871,980 km (0.113 R)
• M12: 3,767,174 km (0.069 R)
• M13: 6,040,463 km (0.09 R)
• M14: 6,516,034 km (0.109 R)
• M15: 7,487,822 km (0.093 R)
• M16: 9,970,848 km (0.062 R)
• M17: 12,195,069 km (0.078 R)
• M18: 12,494,414 km (0.106 R)
• M19: 13,983,661 km (0.059 R)
• M20: 17,403,468 km (0.065 R)
• M21: 18,167,764 km (0.108 R)
• M22: 19,865,700 km (0.068 R)
• M23: 21,233,473 km (0.063 R)
• M24: 23,688,823 km (0.082 R)
• M25: 25,833,458 km (0.101 R)
• M26: 27,588,391 km (0.083 R)
• M27: 36,938,257 km (0.091 R)
• M28: 40,470,114 km (0.118 R)
• M29: 52,402,638 km (0.057 R)
• M30: 53,991,068 km (0.091 R)
• M31: 54,797,251 km (0.096 R)
• M32: 57,891,833 km (0.069 R)
• M33: 59,161,620 km (0.117 R)
• M34: 62,417,019 km (0.104 R)
• M35: 78,677,709 km (0.111 R)
• M36: 88,607,716 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 13,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit