🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.2

Radius: 9.2

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.72 AU - 0.82 AU

Year: 436 Days

Day: 9.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,450,653 km

• M1: 114,442 km (0.112 R)
• M2: 417,378 km (0.091 R)
• M3: 753,674 km (0.07 R)
• M4: 1,089,372 km (0.084 R)
• M5: 1,409,511 km (0.092 R)
• M6: 2,537,629 km (0.045 R)
• M7: 2,834,431 km (0.055 R)
• M8: 3,534,698 km (0.097 R)
• M9: 3,906,599 km (0.118 R)
• M10: 4,599,087 km (0.054 R)
• M11: 5,244,453 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 8.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.86 AU - 1.98 AU

Year: 1718 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,450,653 km

• M1: 109,655 km (0.112 R)
• M2: 505,342 km (0.068 R)
• M3: 808,876 km (0.108 R)
• M4: 1,088,624 km (0.062 R)
• M5: 1,653,056 km (0.036 R)
• M6: 1,980,377 km (0.108 R)
• M7: 2,514,591 km (0.108 R)
• M8: 2,921,946 km (0.072 R)
• M9: 3,278,886 km (0.031 R)
• M10: 4,189,937 km (0.119 R)
• M11: 6,093,121 km (0.09 R)
• M12: 6,728,613 km (0.087 R)
• M13: 8,871,603 km (0.107 R)
• M14: 9,273,722 km (0.12 R)
• M15: 10,281,712 km (0.119 R)
• M16: 10,829,839 km (0.09 R)
• M17: 12,323,125 km (0.075 R)
• M18: 13,178,675 km (0.06 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618

Radius: 3.9

Gravity: 40.63 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.73 AU - 7.61 AU

Year: 9896 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,450,653 km

• M1: 49,517 km (0.107 R)
• M2: 320,887 km (0.105 R)
• M3: 511,475 km (0.113 R)
• M4: 644,767 km (0.108 R)
• M5: 1,289,085 km (0.113 R)
• M6: 1,568,234 km (0.061 R)
• M7: 2,192,058 km (0.076 R)
• M8: 2,319,665 km (0.098 R)
• M9: 3,476,804 km (0.045 R)
• M10: 3,804,274 km (0.105 R)
• M11: 4,579,191 km (0.12 R)
• M12: 4,941,517 km (0.038 R)
• M13: 5,860,796 km (0.109 R)
• M14: 6,071,729 km (0.074 R)
• M15: 7,692,622 km (0.112 R)
• M16: 10,787,802 km (0.114 R)
• M17: 11,104,800 km (0.115 R)
• M18: 15,076,324 km (0.079 R)
• M19: 17,197,322 km (0.045 R)
• M20: 19,821,718 km (0.096 R)
• M21: 22,701,028 km (0.108 R)
• M22: 25,381,074 km (0.102 R)
• M23: 28,967,234 km (0.087 R)
• M24: 31,895,313 km (0.098 R)
• M25: 34,103,677 km (0.03 R)
• M26: 40,065,751 km (0.043 R)
• M27: 41,593,294 km (0.029 R)
• M28: 43,423,924 km (0.091 R)
• M29: 45,718,156 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270

Radius: 7.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.97 AU - 6.65 AU

Year: 10234 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,450,653 km

• M1: 98,735 km (0.059 R)
• M2: 554,260 km (0.118 R)
• M3: 1,088,325 km (0.097 R)
• M4: 1,377,348 km (0.116 R)
• M5: 1,637,349 km (0.086 R)
• M6: 1,901,090 km (0.11 R)
• M7: 2,497,836 km (0.057 R)
• M8: 2,888,884 km (0.101 R)
• M9: 3,341,717 km (0.086 R)
• M10: 4,009,971 km (0.097 R)
• M11: 4,311,411 km (0.105 R)
• M12: 5,337,502 km (0.098 R)
• M13: 6,620,753 km (0.042 R)
• M14: 7,371,285 km (0.045 R)
• M15: 7,863,462 km (0.113 R)
• M16: 9,873,011 km (0.032 R)
• M17: 10,192,253 km (0.051 R)
• M18: 12,411,687 km (0.081 R)
• M19: 17,914,943 km (0.089 R)
• M20: 21,726,248 km (0.054 R)
• M21: 22,266,895 km (0.109 R)
• M22: 27,995,446 km (0.047 R)
• M23: 31,687,372 km (0.104 R)
• M24: 34,113,700 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.9

Radius: 5

Gravity: 35.04 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.92 AU - 7.28 AU

Year: 12215 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,450,653 km

• M1: 62,233 km (0.111 R)
• M2: 270,772 km (0.101 R)
• M3: 903,870 km (0.097 R)
• M4: 1,231,190 km (0.053 R)
• M5: 1,408,165 km (0.111 R)
• M6: 1,665,623 km (0.118 R)
• M7: 2,157,800 km (0.064 R)
• M8: 4,125,460 km (0.113 R)
• M9: 4,306,923 km (0.075 R)
• M10: 4,718,466 km (0.079 R)
• M11: 5,086,776 km (0.1 R)
• M12: 6,110,774 km (0.102 R)
• M13: 6,307,046 km (0.109 R)
• M14: 6,467,266 km (0.056 R)
• M15: 7,665,395 km (0.092 R)
• M16: 7,847,755 km (0.077 R)
• M17: 8,412,636 km (0.097 R)
• M18: 9,570,524 km (0.098 R)
• M19: 9,835,611 km (0.111 R)
• M20: 11,002,774 km (0.088 R)
• M21: 13,213,531 km (0.076 R)
• M22: 15,630,584 km (0.101 R)
• M23: 17,606,024 km (0.111 R)
• M24: 19,150,771 km (0.098 R)
• M25: 21,049,617 km (0.051 R)
• M26: 22,881,593 km (0.083 R)
• M27: 23,836,326 km (0.088 R)
• M28: 26,132,354 km (0.112 R)
• M29: 26,754,682 km (0.09 R)
• M30: 29,121,170 km (0.091 R)
• M31: 36,277,334 km (0.102 R)
• M32: 37,181,504 km (0.119 R)
• M33: 44,082,005 km (0.098 R)
• M34: 47,985,911 km (0.108 R)
• M35: 49,075,133 km (0.062 R)
• M36: 56,473,047 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 18,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit