🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.45 AU - 0.55 AU

Year: 232 Days

Day: 44.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 12.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.74 AU - 0.82 AU

Year: 452 Days

Day: 6.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,911,820 km

• M1: 161,267 km (0.109 R)
• M2: 622,926 km (0.079 R)
• M3: 1,032,973 km (0.111 R)
• M4: 1,455,438 km (0.097 R)
• M5: 1,954,945 km (0.107 R)
• M6: 3,122,556 km (0.099 R)
• M7: 4,061,732 km (0.035 R)
• M8: 4,472,378 km (0.103 R)
• M9: 5,512,083 km (0.097 R)
• M10: 5,999,323 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 14.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.79 AU - 1.23 AU

Year: 666 Days

Day: 7.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 122 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,911,820 km

• M1: 181,612 km (0.1 R)
• M2: 679,025 km (0.071 R)
• M3: 1,201,869 km (0.105 R)
• M4: 1,695,841 km (0.092 R)
• M5: 2,215,395 km (0.113 R)
• M6: 3,057,182 km (0.102 R)
• M7: 4,671,942 km (0.115 R)
• M8: 5,140,482 km (0.108 R)
• M9: 5,622,786 km (0.092 R)
• M10: 6,659,499 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.7

Radius: 9.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.89 AU - 1.15 AU

Year: 676 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,911,820 km

• M1: 121,922 km (0.09 R)
• M2: 461,809 km (0.087 R)
• M3: 1,043,445 km (0.086 R)
• M4: 1,813,725 km (0.099 R)
• M5: 2,201,482 km (0.092 R)
• M6: 3,419,658 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.8

Radius: 14.5

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.18 AU - 1.34 AU

Year: 928 Days

Day: 10 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,911,820 km

• M1: 180,415 km (0.073 R)
• M2: 648,208 km (0.101 R)
• M3: 1,140,235 km (0.06 R)
• M4: 1,631,963 km (0.078 R)
• M5: 2,104,543 km (0.053 R)
• M6: 2,826,652 km (0.043 R)
• M7: 3,907,646 km (0.092 R)
• M8: 4,424,656 km (0.036 R)
• M9: 5,173,244 km (0.097 R)
• M10: 5,778,816 km (0.044 R)
• M11: 6,431,362 km (0.118 R)
• M12: 7,710,723 km (0.119 R)
• M13: 8,635,986 km (0.097 R)
• M14: 9,237,070 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.8

Radius: 11.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.18 AU - 1.76 AU

Year: 1169 Days

Day: 8.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,911,820 km

• M1: 139,276 km (0.091 R)
• M2: 642,373 km (0.104 R)
• M3: 1,348,176 km (0.091 R)
• M4: 2,067,742 km (0.093 R)
• M5: 3,087,102 km (0.092 R)
• M6: 4,151,640 km (0.081 R)

Asteroid Belt

Center: 2.98 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 9.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.46 AU - 5.52 AU

Year: 6241 Days

Day: 5.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,911,820 km

• M1: 129,103 km (0.105 R)
• M2: 594,502 km (0.118 R)
• M3: 1,794,576 km (0.091 R)
• M4: 2,381,449 km (0.12 R)
• M5: 3,110,439 km (0.111 R)
• M6: 3,639,866 km (0.115 R)
• M7: 4,092,399 km (0.115 R)
• M8: 5,458,078 km (0.117 R)
• M9: 6,320,061 km (0.082 R)
• M10: 10,607,087 km (0.11 R)
• M11: 11,945,839 km (0.036 R)
• M12: 12,511,618 km (0.107 R)
• M13: 13,194,383 km (0.106 R)
• M14: 18,005,899 km (0.092 R)
• M15: 18,562,104 km (0.074 R)
• M16: 25,305,527 km (0.086 R)
• M17: 25,769,430 km (0.035 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 9.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.33 AU - 6.21 AU

Year: 7936 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,911,820 km

• M1: 124,166 km (0.042 R)
• M2: 490,232 km (0.084 R)
• M3: 997,519 km (0.119 R)
• M4: 2,046,948 km (0.114 R)
• M5: 4,715,774 km (0.066 R)
• M6: 7,035,438 km (0.089 R)
• M7: 13,875,502 km (0.119 R)
• M8: 19,439,795 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.5

Radius: 5.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.46 AU - 10.18 AU

Year: 15743 Days

Day: 19.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,911,820 km

• M1: 70,311 km (0.046 R)
• M2: 257,159 km (0.063 R)
• M3: 657,782 km (0.091 R)
• M4: 844,031 km (0.106 R)
• M5: 1,349,373 km (0.075 R)
• M6: 2,215,395 km (0.118 R)
• M7: 2,566,950 km (0.036 R)
• M8: 3,895,977 km (0.114 R)
• M9: 4,652,793 km (0.117 R)
• M10: 5,981,671 km (0.081 R)
• M11: 16,270,863 km (0.117 R)
• M12: 19,335,824 km (0.116 R)
• M13: 20,662,458 km (0.111 R)
• M14: 21,271,172 km (0.116 R)
• M15: 27,662,292 km (0.089 R)
• M16: 29,058,938 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.2

Radius: 4.4

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.02 AU - 11.34 AU

Year: 19757 Days

Day: 24.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,911,820 km

• M1: 56,099 km (0.075 R)
• M2: 396,734 km (0.051 R)
• M3: 572,062 km (0.114 R)
• M4: 1,059,003 km (0.095 R)
• M5: 1,314,516 km (0.114 R)
• M6: 2,442,484 km (0.112 R)
• M7: 2,864,350 km (0.101 R)
• M8: 3,305,814 km (0.083 R)
• M9: 4,521,895 km (0.062 R)
• M10: 4,692,436 km (0.08 R)
• M11: 5,968,057 km (0.083 R)
• M12: 10,075,417 km (0.119 R)
• M13: 11,212,211 km (0.118 R)
• M14: 14,240,371 km (0.116 R)
• M15: 18,369,571 km (0.055 R)
• M16: 20,704,944 km (0.084 R)
• M17: 21,749,885 km (0.045 R)
• M18: 26,282,252 km (0.11 R)
• M19: 28,767,671 km (0.12 R)
• M20: 30,428,356 km (0.049 R)
• M21: 32,026,660 km (0.109 R)
• M22: 34,330,916 km (0.109 R)
• M23: 35,389,471 km (0.098 R)
• M24: 43,723,568 km (0.096 R)
• M25: 44,342,305 km (0.075 R)
• M26: 47,686,416 km (0.087 R)
• M27: 49,503,282 km (0.11 R)
• M28: 55,410,453 km (0.063 R)
• M29: 68,599,151 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit