🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.6

Radius: 8.3

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.58 AU - 0.62 AU

Year: 310 Days

Day: 6.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,817,303 km

• M1: 103,372 km (0.086 R)
• M2: 596,896 km (0.068 R)
• M3: 988,692 km (0.111 R)
• M4: 1,372,112 km (0.113 R)
• M5: 1,716,037 km (0.108 R)
• M6: 2,459,987 km (0.075 R)
• M7: 2,731,657 km (0.118 R)
• M8: 3,552,501 km (0.1 R)
• M9: 4,077,739 km (0.09 R)
• M10: 4,556,302 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 14.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.91 AU - 1.19 AU

Year: 717 Days

Day: 14 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,817,303 km

• M1: 176,675 km (0.098 R)
• M2: 804,238 km (0.095 R)
• M3: 1,368,372 km (0.069 R)
• M4: 1,907,522 km (0.112 R)
• M5: 2,350,033 km (0.069 R)
• M6: 3,351,890 km (0.082 R)

Asteroid Belt

Center: 1.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.9

Radius: 10.8

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.88 AU - 3.04 AU

Year: 2573 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,817,303 km

• M1: 134,788 km (0.102 R)
• M2: 476,619 km (0.08 R)
• M3: 975,528 km (0.113 R)
• M4: 1,694,645 km (0.081 R)
• M5: 2,203,427 km (0.116 R)
• M6: 2,965,628 km (0.085 R)
• M7: 3,374,180 km (0.117 R)
• M8: 3,746,379 km (0.099 R)
• M9: 4,305,576 km (0.104 R)
• M10: 5,787,194 km (0.116 R)
• M11: 7,524,175 km (0.116 R)
• M12: 8,384,362 km (0.115 R)
• M13: 9,902,332 km (0.113 R)
• M14: 10,336,465 km (0.073 R)
• M15: 12,037,841 km (0.032 R)
• M16: 13,083,979 km (0.079 R)
• M17: 14,882,146 km (0.053 R)
• M18: 16,485,237 km (0.116 R)
• M19: 17,302,639 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.5

Radius: 13.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.3 AU - 5.22 AU

Year: 5863 Days

Day: 11.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,817,303 km

• M1: 164,558 km (0.107 R)
• M2: 1,024,895 km (0.107 R)
• M3: 2,267,754 km (0.037 R)
• M4: 3,504,480 km (0.106 R)
• M5: 4,272,665 km (0.099 R)
• M6: 4,899,629 km (0.114 R)
• M7: 9,002,351 km (0.11 R)
• M8: 10,535,729 km (0.091 R)
• M9: 11,733,111 km (0.082 R)
• M10: 13,450,195 km (0.096 R)
• M11: 22,470,199 km (0.052 R)
• M12: 31,271,490 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 10.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.75 AU - 5.75 AU

Year: 6904 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,817,303 km

• M1: 131,796 km (0.084 R)
• M2: 1,018,163 km (0.066 R)
• M3: 1,734,587 km (0.115 R)
• M4: 2,274,935 km (0.078 R)
• M5: 2,924,938 km (0.047 R)
• M6: 3,480,843 km (0.059 R)
• M7: 5,170,102 km (0.088 R)
• M8: 7,476,902 km (0.059 R)
• M9: 8,982,754 km (0.092 R)
• M10: 10,317,765 km (0.105 R)
• M11: 12,448,488 km (0.05 R)
• M12: 13,188,249 km (0.103 R)
• M13: 19,577,275 km (0.075 R)
• M14: 19,948,427 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 8.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.96 AU - 6.3 AU

Year: 7748 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,817,303 km

• M1: 105,317 km (0.106 R)
• M2: 460,313 km (0.055 R)
• M3: 743,801 km (0.075 R)
• M4: 1,058,704 km (0.066 R)
• M5: 1,498,821 km (0.085 R)
• M6: 1,803,851 km (0.093 R)
• M7: 2,621,553 km (0.115 R)
• M8: 3,144,547 km (0.078 R)
• M9: 5,650,312 km (0.051 R)
• M10: 7,017,636 km (0.073 R)
• M11: 11,102,705 km (0.116 R)
• M12: 11,359,415 km (0.089 R)
• M13: 13,351,161 km (0.092 R)
• M14: 14,321,453 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.2

Radius: 7.6

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.27 AU - 6.95 AU

Year: 10071 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,817,303 km

• M1: 94,546 km (0.11 R)
• M2: 359,184 km (0.116 R)
• M3: 647,310 km (0.062 R)
• M4: 1,159,982 km (0.102 R)
• M5: 1,444,667 km (0.106 R)
• M6: 2,778,780 km (0.092 R)
• M7: 3,131,383 km (0.106 R)
• M8: 5,296,064 km (0.109 R)
• M9: 7,037,682 km (0.078 R)
• M10: 7,402,402 km (0.071 R)
• M11: 8,436,722 km (0.096 R)
• M12: 12,058,037 km (0.083 R)
• M13: 15,558,478 km (0.048 R)
• M14: 17,984,656 km (0.068 R)
• M15: 19,131,174 km (0.05 R)
• M16: 20,082,766 km (0.076 R)
• M17: 20,652,285 km (0.09 R)
• M18: 21,994,477 km (0.053 R)
• M19: 25,037,896 km (0.082 R)
• M20: 25,507,933 km (0.064 R)
• M21: 26,953,348 km (0.065 R)
• M22: 38,882,880 km (0.075 R)
• M23: 44,941,594 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.3

Radius: 5.2

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.01 AU - 7.15 AU

Year: 11256 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,817,303 km

• M1: 66,870 km (0.092 R)
• M2: 257,308 km (0.1 R)
• M3: 801,994 km (0.074 R)
• M4: 1,074,711 km (0.048 R)
• M5: 3,771,362 km (0.113 R)
• M6: 4,043,780 km (0.053 R)
• M7: 4,597,591 km (0.115 R)
• M8: 5,333,912 km (0.09 R)
• M9: 8,882,523 km (0.117 R)
• M10: 10,755,489 km (0.07 R)
• M11: 11,698,254 km (0.105 R)
• M12: 12,755,163 km (0.113 R)
• M13: 14,002,660 km (0.113 R)
• M14: 15,882,507 km (0.094 R)
• M15: 16,665,053 km (0.098 R)
• M16: 17,398,382 km (0.088 R)
• M17: 18,076,509 km (0.093 R)
• M18: 20,714,368 km (0.083 R)
• M19: 21,305,130 km (0.055 R)
• M20: 22,608,726 km (0.109 R)
• M21: 28,356,276 km (0.099 R)
• M22: 34,533,322 km (0.112 R)
• M23: 41,549,911 km (0.107 R)
• M24: 44,130,624 km (0.069 R)
• M25: 45,531,010 km (0.109 R)
• M26: 49,309,852 km (0.08 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 17,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit