🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.57 AU - 0.77 AU

Year: 197 Days

Day: 19.6 Hours

Environment

Temp: 136 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,726,975 km

• M1: 339,138 km (0.04 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.2 AU - 1.48 AU

Year: 558 Days

Day: 31.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.08 AU - 1.68 AU

Year: 583 Days

Day: 46.9 Hours

Environment

Temp: -20 °C

Axial Tilt: 45.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.5

Radius: 8.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.95 AU - 5.17 AU

Year: 4096 Days

Day: 8.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,726,975 km

• M1: 100,829 km (0.09 R)
• M2: 571,913 km (0.055 R)
• M3: 1,449,155 km (0.092 R)
• M4: 2,571,288 km (0.062 R)
• M5: 3,511,212 km (0.064 R)
• M6: 4,320,835 km (0.057 R)
• M7: 4,663,414 km (0.074 R)
• M8: 7,303,667 km (0.063 R)
• M9: 7,691,724 km (0.12 R)
• M10: 9,012,225 km (0.115 R)
• M11: 9,383,526 km (0.092 R)
• M12: 10,888,182 km (0.069 R)
• M13: 12,963,703 km (0.097 R)
• M14: 16,523,683 km (0.043 R)
• M15: 16,912,039 km (0.118 R)
• M16: 22,193,592 km (0.118 R)
• M17: 22,802,904 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 14.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.43 AU - 5.73 AU

Year: 4121 Days

Day: 5.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,726,975 km

• M1: 177,872 km (0.1 R)
• M2: 1,298,659 km (0.064 R)
• M3: 1,868,029 km (0.044 R)
• M4: 2,665,086 km (0.091 R)
• M5: 3,778,693 km (0.109 R)
• M6: 7,187,430 km (0.075 R)
• M7: 8,329,909 km (0.113 R)
• M8: 12,945,003 km (0.101 R)
• M9: 14,334,019 km (0.094 R)
• M10: 17,520,304 km (0.057 R)
• M11: 18,798,618 km (0.065 R)
• M12: 22,332,868 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 14.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.1 AU - 11.12 AU

Year: 10722 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,726,975 km

• M1: 185,352 km (0.102 R)
• M2: 780,901 km (0.034 R)
• M3: 3,063,465 km (0.112 R)
• M4: 3,956,564 km (0.114 R)
• M5: 4,475,519 km (0.105 R)
• M6: 5,800,358 km (0.084 R)
• M7: 6,419,993 km (0.1 R)
• M8: 13,703,015 km (0.104 R)
• M9: 14,618,106 km (0.099 R)
• M10: 15,476,199 km (0.051 R)
• M11: 17,609,315 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.2

Radius: 11.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.26 AU - 11.16 AU

Year: 10889 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,726,975 km

• M1: 145,708 km (0.083 R)
• M2: 532,269 km (0.11 R)
• M3: 1,186,311 km (0.054 R)
• M4: 1,682,078 km (0.044 R)
• M5: 2,151,666 km (0.085 R)
• M6: 2,792,244 km (0.119 R)
• M7: 3,456,908 km (0.107 R)
• M8: 5,499,517 km (0.094 R)
• M9: 5,917,493 km (0.105 R)
• M10: 12,087,059 km (0.086 R)
• M11: 14,559,164 km (0.092 R)
• M12: 15,362,205 km (0.119 R)
• M13: 23,787,258 km (0.081 R)
• M14: 25,759,108 km (0.093 R)
• M15: 27,033,083 km (0.117 R)
• M16: 28,348,497 km (0.077 R)
• M17: 29,600,183 km (0.072 R)
• M18: 30,562,995 km (0.09 R)
• M19: 38,271,324 km (0.102 R)
• M20: 46,894,445 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.6

Radius: 10.7

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 10.26 AU - 14.1 AU

Year: 15298 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,726,975 km

• M1: 133,142 km (0.118 R)
• M2: 679,773 km (0.08 R)
• M3: 1,216,829 km (0.108 R)
• M4: 1,552,527 km (0.08 R)
• M5: 2,439,492 km (0.067 R)
• M6: 3,363,858 km (0.085 R)
• M7: 4,872,403 km (0.119 R)
• M8: 5,365,926 km (0.109 R)
• M9: 8,156,824 km (0.104 R)
• M10: 11,367,045 km (0.114 R)
• M11: 11,796,690 km (0.117 R)
• M12: 13,488,492 km (0.059 R)
• M13: 14,463,571 km (0.069 R)
• M14: 19,095,121 km (0.116 R)
• M15: 21,141,021 km (0.104 R)
• M16: 21,791,623 km (0.095 R)
• M17: 27,050,287 km (0.116 R)
• M18: 29,394,486 km (0.094 R)
• M19: 31,508,902 km (0.087 R)
• M20: 35,515,133 km (0.115 R)
• M21: 36,567,404 km (0.117 R)
• M22: 41,560,682 km (0.115 R)
• M23: 43,172,749 km (0.102 R)
• M24: 50,862,229 km (0.092 R)
• M25: 58,321,478 km (0.109 R)
• M26: 60,154,949 km (0.081 R)
• M27: 60,526,251 km (0.055 R)
• M28: 64,517,373 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.1

Radius: 3.8

Gravity: 32.42 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 14.48 AU - 17.56 AU

Year: 23076 Days

Day: 24.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,726,975 km

• M1: 47,273 km (0.105 R)
• M2: 191,186 km (0.104 R)
• M3: 327,021 km (0.103 R)
• M4: 875,447 km (0.117 R)
• M5: 1,171,052 km (0.069 R)
• M6: 1,613,263 km (0.095 R)
• M7: 1,938,788 km (0.098 R)
• M8: 3,125,698 km (0.09 R)
• M9: 3,995,161 km (0.087 R)
• M10: 4,122,169 km (0.113 R)
• M11: 4,451,584 km (0.104 R)
• M12: 4,622,724 km (0.058 R)
• M13: 6,028,794 km (0.1 R)
• M14: 10,169,962 km (0.038 R)
• M15: 10,407,225 km (0.111 R)
• M16: 10,587,490 km (0.076 R)
• M17: 11,908,888 km (0.107 R)
• M18: 14,127,724 km (0.083 R)
• M19: 15,411,573 km (0.095 R)
• M20: 21,423,013 km (0.071 R)
• M21: 22,808,140 km (0.116 R)
• M22: 23,010,696 km (0.112 R)
• M23: 23,833,185 km (0.103 R)
• M24: 24,995,859 km (0.115 R)
• M25: 32,775,397 km (0.08 R)
• M26: 37,068,408 km (0.106 R)
• M27: 38,197,273 km (0.11 R)
• M28: 39,348,878 km (0.106 R)
• M29: 41,721,201 km (0.105 R)
• M30: 61,049,395 km (0.113 R)
• M31: 61,635,968 km (0.052 R)
• M32: 65,847,448 km (0.12 R)
• M33: 66,877,578 km (0.106 R)
• M34: 70,460,896 km (0.088 R)
• M35: 73,065,844 km (0.09 R)
• M36: 73,506,111 km (0.083 R)

Kuiper Belt

Range: 30.5 - 45.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 11,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit