🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.7

Radius: 12.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.59 AU - 0.77 AU

Year: 394 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,166,155 km

• M1: 150,495 km (0.114 R)
• M2: 664,963 km (0.112 R)
• M3: 1,056,311 km (0.093 R)
• M4: 1,501,813 km (0.086 R)
• M5: 2,040,814 km (0.069 R)
• M6: 2,817,676 km (0.096 R)
• M7: 3,292,350 km (0.034 R)
• M8: 4,362,723 km (0.117 R)
• M9: 4,895,890 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 12.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 0.99 AU

Year: 551 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,166,155 km

• M1: 160,219 km (0.12 R)
• M2: 713,432 km (0.102 R)
• M3: 1,869,824 km (0.042 R)
• M4: 2,560,218 km (0.116 R)
• M5: 3,380,313 km (0.092 R)
• M6: 4,665,509 km (0.114 R)
• M7: 5,557,262 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 10.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.17 AU - 1.43 AU

Year: 1042 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,166,155 km

• M1: 131,796 km (0.111 R)
• M2: 486,043 km (0.094 R)
• M3: 1,012,030 km (0.099 R)
• M4: 1,370,616 km (0.089 R)
• M5: 2,199,238 km (0.078 R)
• M6: 3,133,028 km (0.105 R)
• M7: 4,058,740 km (0.066 R)
• M8: 4,771,274 km (0.116 R)
• M9: 5,279,309 km (0.093 R)
• M10: 5,619,644 km (0.11 R)
• M11: 6,504,815 km (0.036 R)
• M12: 7,195,358 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 14.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.68 AU - 1.7 AU

Year: 1544 Days

Day: 7.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,166,155 km

• M1: 185,352 km (0.068 R)
• M2: 757,713 km (0.101 R)
• M3: 1,618,799 km (0.059 R)
• M4: 2,252,196 km (0.085 R)
• M5: 3,343,961 km (0.07 R)
• M6: 3,993,366 km (0.039 R)
• M7: 4,629,755 km (0.115 R)
• M8: 5,312,370 km (0.107 R)
• M9: 5,879,196 km (0.1 R)
• M10: 6,730,857 km (0.085 R)
• M11: 7,772,058 km (0.061 R)
• M12: 9,469,695 km (0.085 R)
• M13: 10,506,408 km (0.055 R)
• M14: 11,510,210 km (0.054 R)
• M15: 11,980,545 km (0.064 R)
• M16: 12,614,840 km (0.113 R)
• M17: 13,154,141 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.7

Radius: 8.7

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.52 AU - 2 AU

Year: 1641 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,166,155 km

• M1: 110,852 km (0.078 R)
• M2: 483,800 km (0.087 R)
• M3: 806,183 km (0.07 R)
• M4: 1,937,292 km (0.082 R)
• M5: 3,465,435 km (0.117 R)
• M6: 4,344,023 km (0.118 R)
• M7: 4,648,155 km (0.066 R)
• M8: 5,089,918 km (0.12 R)
• M9: 6,758,832 km (0.108 R)
• M10: 8,037,744 km (0.047 R)
• M11: 8,615,641 km (0.105 R)
• M12: 11,066,951 km (0.087 R)
• M13: 11,420,750 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 11.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.78 AU - 2.34 AU

Year: 2078 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,166,155 km

• M1: 150,495 km (0.089 R)
• M2: 562,787 km (0.082 R)
• M3: 982,708 km (0.037 R)
• M4: 1,404,724 km (0.102 R)
• M5: 1,885,681 km (0.09 R)
• M6: 3,036,388 km (0.093 R)
• M7: 3,451,073 km (0.116 R)
• M8: 4,081,030 km (0.101 R)
• M9: 4,867,167 km (0.08 R)
• M10: 5,264,648 km (0.049 R)
• M11: 6,341,903 km (0.119 R)
• M12: 6,740,431 km (0.112 R)
• M13: 7,895,476 km (0.08 R)
• M14: 8,357,584 km (0.066 R)
• M15: 9,272,525 km (0.107 R)
• M16: 10,018,420 km (0.113 R)
• M17: 10,423,082 km (0.119 R)
• M18: 12,039,337 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.8

Radius: 3.1

Gravity: 67.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.98 AU - 6.06 AU

Year: 9116 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 44,166,155 km

• M1: 42,037 km (0.111 R)
• M2: 140,024 km (0.044 R)
• M3: 365,767 km (0.097 R)
• M4: 596,746 km (0.103 R)
• M5: 711,637 km (0.104 R)
• M6: 907,161 km (0.039 R)
• M7: 1,365,978 km (0.103 R)
• M8: 1,668,016 km (0.088 R)
• M9: 2,883,948 km (0.075 R)
• M10: 3,354,732 km (0.117 R)
• M11: 4,113,493 km (0.118 R)
• M12: 6,645,437 km (0.108 R)
• M13: 7,623,208 km (0.074 R)
• M14: 8,603,972 km (0.081 R)
• M15: 8,918,427 km (0.06 R)
• M16: 9,713,839 km (0.05 R)
• M17: 9,907,568 km (0.083 R)
• M18: 10,555,327 km (0.066 R)
• M19: 13,370,010 km (0.049 R)
• M20: 13,974,984 km (0.102 R)
• M21: 14,160,037 km (0.114 R)
• M22: 14,724,769 km (0.081 R)
• M23: 15,501,032 km (0.076 R)
• M24: 15,832,242 km (0.029 R)
• M25: 16,994,169 km (0.112 R)
• M26: 17,346,471 km (0.098 R)
• M27: 17,992,734 km (0.096 R)
• M28: 19,639,807 km (0.102 R)
• M29: 20,027,714 km (0.085 R)
• M30: 20,898,972 km (0.101 R)
• M31: 21,712,635 km (0.081 R)
• M32: 23,058,118 km (0.048 R)
• M33: 24,637,124 km (0.092 R)
• M34: 27,042,957 km (0.038 R)
• M35: 28,008,312 km (0.055 R)
• M36: 29,803,785 km (0.111 R)
• M37: 30,212,936 km (0.114 R)
• M38: 30,625,826 km (0.075 R)
• M39: 32,314,935 km (0.081 R)
• M40: 33,842,928 km (0.101 R)
• M41: 35,076,811 km (0.103 R)
• M42: 35,877,459 km (0.073 R)
• M43: 35,992,799 km (0.106 R)
• M44: 42,855,452 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 17,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit