🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.9

Radius: 11.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 12.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 68.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,120,783 km

• M1: 140,772 km (0.081 R)
• M2: 550,371 km (0.074 R)
• M3: 921,672 km (0.061 R)
• M4: 1,319,453 km (0.107 R)
• M5: 1,701,077 km (0.049 R)
• M6: 2,337,317 km (0.114 R)
• M7: 2,977,596 km (0.114 R)
• M8: 3,594,089 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 12

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.81 AU - 1.09 AU

Year: 628 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,120,783 km

• M1: 149,299 km (0.077 R)
• M2: 722,109 km (0.114 R)
• M3: 1,099,395 km (0.098 R)
• M4: 1,833,472 km (0.064 R)
• M5: 2,287,351 km (0.093 R)
• M6: 2,906,387 km (0.115 R)
• M7: 3,374,928 km (0.096 R)
• M8: 3,992,618 km (0.088 R)
• M9: 5,009,285 km (0.098 R)
• M10: 5,944,720 km (0.111 R)
• M11: 6,930,720 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 14.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.09 AU - 2.37 AU

Year: 2259 Days

Day: 7.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,120,783 km

• M1: 176,825 km (0.108 R)
• M2: 757,713 km (0.074 R)
• M3: 1,313,619 km (0.114 R)
• M4: 1,923,230 km (0.087 R)
• M5: 2,494,993 km (0.074 R)
• M6: 3,287,264 km (0.12 R)
• M7: 4,022,986 km (0.103 R)
• M8: 4,566,325 km (0.073 R)
• M9: 5,462,566 km (0.076 R)
• M10: 6,179,439 km (0.077 R)
• M11: 7,169,478 km (0.116 R)
• M12: 8,500,450 km (0.098 R)
• M13: 9,957,085 km (0.113 R)
• M14: 10,886,237 km (0.07 R)
• M15: 11,910,234 km (0.063 R)
• M16: 12,407,049 km (0.101 R)
• M17: 13,037,454 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.3

Radius: 14.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.77 AU - 3.56 AU

Year: 3810 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,120,783 km

• M1: 220,657 km (0.059 R)
• M2: 818,300 km (0.061 R)
• M3: 1,370,765 km (0.111 R)
• M4: 1,954,047 km (0.05 R)
• M5: 2,428,123 km (0.051 R)
• M6: 3,976,760 km (0.094 R)
• M7: 4,626,464 km (0.108 R)
• M8: 5,106,972 km (0.117 R)
• M9: 5,705,364 km (0.078 R)
• M10: 7,821,874 km (0.106 R)
• M11: 10,292,483 km (0.093 R)
• M12: 10,939,643 km (0.077 R)
• M13: 12,652,689 km (0.105 R)
• M14: 13,959,426 km (0.059 R)
• M15: 15,465,428 km (0.089 R)
• M16: 18,989,804 km (0.097 R)
• M17: 20,633,137 km (0.091 R)
• M18: 22,298,311 km (0.118 R)
• M19: 24,427,986 km (0.1 R)
• M20: 27,419,794 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.5

Radius: 12.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.41 AU - 6.05 AU

Year: 8112 Days

Day: 12.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,120,783 km

• M1: 162,014 km (0.08 R)
• M2: 833,859 km (0.12 R)
• M3: 1,252,733 km (0.079 R)
• M4: 1,674,449 km (0.034 R)
• M5: 2,472,703 km (0.099 R)
• M6: 2,877,964 km (0.083 R)
• M7: 4,001,294 km (0.101 R)
• M8: 4,481,055 km (0.12 R)
• M9: 5,525,098 km (0.099 R)
• M10: 5,951,901 km (0.107 R)
• M11: 7,059,972 km (0.106 R)
• M12: 7,643,404 km (0.099 R)
• M13: 8,091,450 km (0.114 R)
• M14: 9,175,735 km (0.079 R)
• M15: 10,014,680 km (0.074 R)
• M16: 12,225,886 km (0.1 R)
• M17: 12,840,284 km (0.068 R)
• M18: 14,436,045 km (0.099 R)
• M19: 16,900,819 km (0.096 R)
• M20: 17,875,749 km (0.042 R)
• M21: 23,068,141 km (0.049 R)
• M22: 23,920,700 km (0.09 R)
• M23: 25,149,496 km (0.083 R)
• M24: 28,308,555 km (0.116 R)
• M25: 35,067,686 km (0.07 R)
• M26: 35,628,378 km (0.086 R)
• M27: 36,652,526 km (0.08 R)
• M28: 38,402,970 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496

Radius: 7.6

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.28 AU - 9.12 AU

Year: 14492 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,120,783 km

• M1: 94,546 km (0.105 R)
• M2: 360,082 km (0.059 R)
• M3: 781,649 km (0.113 R)
• M4: 1,625,231 km (0.111 R)
• M5: 1,931,608 km (0.112 R)
• M6: 2,315,027 km (0.093 R)
• M7: 2,619,309 km (0.083 R)
• M8: 2,927,182 km (0.104 R)
• M9: 3,259,139 km (0.106 R)
• M10: 4,469,536 km (0.099 R)
• M11: 5,042,196 km (0.092 R)
• M12: 6,104,192 km (0.073 R)
• M13: 8,759,105 km (0.067 R)
• M14: 9,757,970 km (0.118 R)
• M15: 10,071,976 km (0.062 R)
• M16: 12,401,065 km (0.088 R)
• M17: 15,699,549 km (0.095 R)
• M18: 16,570,358 km (0.066 R)
• M19: 18,171,205 km (0.1 R)
• M20: 18,408,018 km (0.082 R)
• M21: 18,968,561 km (0.056 R)
• M22: 24,059,526 km (0.093 R)
• M23: 30,323,339 km (0.107 R)
• M24: 34,246,543 km (0.107 R)
• M25: 34,608,271 km (0.103 R)
• M26: 35,831,981 km (0.08 R)
• M27: 41,287,965 km (0.093 R)
• M28: 41,697,564 km (0.097 R)
• M29: 50,471,030 km (0.098 R)
• M30: 54,791,267 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 11,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit