🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.2

Radius: 10.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 6.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,631,062 km

• M1: 125,662 km (0.082 R)
• M2: 449,691 km (0.073 R)
• M3: 821,592 km (0.096 R)
• M4: 1,219,671 km (0.12 R)
• M5: 1,638,097 km (0.088 R)
• M6: 2,039,318 km (0.072 R)
• M7: 2,537,928 km (0.05 R)
• M8: 2,943,936 km (0.088 R)
• M9: 3,412,776 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 12.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.57 AU - 0.67 AU

Year: 343 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,631,062 km

• M1: 156,629 km (0.08 R)
• M2: 570,267 km (0.068 R)
• M3: 1,344,436 km (0.12 R)
• M4: 2,079,859 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 15

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.86 AU

Year: 475 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 166 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,631,062 km

• M1: 186,549 km (0.047 R)
• M2: 994,078 km (0.095 R)
• M3: 2,127,282 km (0.082 R)
• M4: 2,680,943 km (0.025 R)
• M5: 4,863,726 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 12.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.69 AU - 0.97 AU

Year: 532 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,631,062 km

• M1: 156,330 km (0.045 R)
• M2: 603,478 km (0.07 R)
• M3: 1,178,083 km (0.09 R)
• M4: 1,654,104 km (0.116 R)
• M5: 2,096,764 km (0.039 R)
• M6: 2,517,583 km (0.063 R)
• M7: 3,482,489 km (0.113 R)
• M8: 6,208,162 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.8

Radius: 13.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.3 AU - 2.38 AU

Year: 2516 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,631,062 km

• M1: 169,195 km (0.057 R)
• M2: 859,889 km (0.032 R)
• M3: 1,499,270 km (0.073 R)
• M4: 2,088,536 km (0.094 R)
• M5: 4,080,132 km (0.091 R)
• M6: 5,360,690 km (0.115 R)
• M7: 5,793,028 km (0.112 R)
• M8: 6,274,883 km (0.114 R)
• M9: 7,612,886 km (0.116 R)
• M10: 9,099,739 km (0.102 R)
• M11: 9,894,403 km (0.119 R)
• M12: 13,853,810 km (0.084 R)
• M13: 17,637,888 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 13.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.27 AU - 2.59 AU

Year: 2663 Days

Day: 14.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,631,062 km

• M1: 165,605 km (0.099 R)
• M2: 727,195 km (0.079 R)
• M3: 1,210,845 km (0.067 R)
• M4: 1,652,757 km (0.093 R)
• M5: 2,242,622 km (0.076 R)
• M6: 3,034,144 km (0.11 R)
• M7: 3,947,140 km (0.118 R)
• M8: 4,447,694 km (0.098 R)
• M9: 4,923,116 km (0.094 R)
• M10: 5,553,073 km (0.112 R)
• M11: 6,449,314 km (0.055 R)
• M12: 6,890,029 km (0.101 R)
• M13: 8,018,595 km (0.047 R)
• M14: 8,993,824 km (0.119 R)
• M15: 11,024,017 km (0.12 R)
• M16: 12,907,304 km (0.03 R)
• M17: 17,408,405 km (0.113 R)
• M18: 18,321,401 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 14.5

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.09 AU - 5.53 AU

Year: 7415 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,631,062 km

• M1: 181,761 km (0.067 R)
• M2: 2,149,871 km (0.032 R)
• M3: 2,810,495 km (0.079 R)
• M4: 3,583,767 km (0.079 R)
• M5: 7,370,388 km (0.116 R)
• M6: 10,595,120 km (0.075 R)
• M7: 13,767,043 km (0.08 R)
• M8: 14,448,910 km (0.112 R)
• M9: 17,163,663 km (0.119 R)
• M10: 19,804,365 km (0.097 R)
• M11: 23,807,155 km (0.075 R)
• M12: 24,944,099 km (0.081 R)
• M13: 25,565,079 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.8

Radius: 3.6

Gravity: 20.05 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.98 AU - 8.14 AU

Year: 16085 Days

Day: 18.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,631,062 km

• M1: 44,730 km (0.108 R)
• M2: 322,234 km (0.06 R)
• M3: 806,333 km (0.108 R)
• M4: 1,002,306 km (0.114 R)
• M5: 1,193,342 km (0.084 R)
• M6: 1,998,777 km (0.102 R)
• M7: 2,474,798 km (0.116 R)
• M8: 2,760,380 km (0.101 R)
• M9: 3,324,513 km (0.074 R)
• M10: 4,098,383 km (0.036 R)
• M11: 6,246,459 km (0.1 R)
• M12: 7,537,938 km (0.087 R)
• M13: 10,272,138 km (0.099 R)
• M14: 11,774,400 km (0.095 R)
• M15: 15,950,723 km (0.082 R)
• M16: 17,954,736 km (0.118 R)
• M17: 19,249,805 km (0.083 R)
• M18: 19,484,674 km (0.096 R)
• M19: 19,642,200 km (0.112 R)
• M20: 23,063,953 km (0.067 R)
• M21: 24,135,821 km (0.115 R)
• M22: 28,451,271 km (0.059 R)
• M23: 33,141,314 km (0.102 R)
• M24: 35,668,471 km (0.054 R)
• M25: 36,141,350 km (0.096 R)
• M26: 39,569,235 km (0.105 R)
• M27: 45,245,128 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 15,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit