🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 8.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 7.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,777,078 km

• M1: 104,419 km (0.03 R)
• M2: 454,478 km (0.032 R)
• M3: 728,990 km (0.099 R)
• M4: 1,101,938 km (0.063 R)
• M5: 1,616,405 km (0.048 R)
• M6: 2,003,265 km (0.066 R)
• M7: 2,355,119 km (0.105 R)
• M8: 2,659,551 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 13.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 7.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,777,078 km

• M1: 169,195 km (0.066 R)
• M2: 595,400 km (0.036 R)
• M3: 1,029,383 km (0.057 R)
• M4: 1,593,367 km (0.079 R)
• M5: 2,025,106 km (0.034 R)
• M6: 2,618,412 km (0.111 R)
• M7: 3,426,240 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 12.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.75 AU - 1.15 AU

Year: 617 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,777,078 km

• M1: 159,172 km (0.099 R)
• M2: 670,797 km (0.114 R)
• M3: 1,215,782 km (0.06 R)
• M4: 1,907,971 km (0.091 R)
• M5: 2,556,777 km (0.041 R)
• M6: 3,118,068 km (0.108 R)
• M7: 3,647,645 km (0.104 R)
• M8: 4,441,710 km (0.068 R)
• M9: 5,550,979 km (0.04 R)
• M10: 6,151,016 km (0.067 R)
• M11: 6,708,567 km (0.083 R)
• M12: 7,481,240 km (0.035 R)
• M13: 8,190,184 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.7

Radius: 13.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.3 AU - 1.9 AU

Year: 1350 Days

Day: 14.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,777,078 km

• M1: 170,691 km (0.092 R)
• M2: 605,123 km (0.048 R)
• M3: 1,148,313 km (0.112 R)
• M4: 1,828,385 km (0.097 R)
• M5: 2,404,935 km (0.065 R)
• M6: 3,076,181 km (0.101 R)
• M7: 3,735,908 km (0.046 R)
• M8: 4,389,351 km (0.105 R)
• M9: 5,284,395 km (0.104 R)
• M10: 6,193,202 km (0.086 R)
• M11: 7,088,546 km (0.108 R)
• M12: 7,969,228 km (0.07 R)
• M13: 8,500,899 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.4

Radius: 13.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.73 AU - 2.45 AU

Year: 2015 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,777,078 km

• M1: 167,849 km (0.111 R)
• M2: 1,104,032 km (0.1 R)
• M3: 1,865,635 km (0.032 R)
• M4: 2,403,739 km (0.052 R)
• M5: 2,913,718 km (0.043 R)
• M6: 3,528,715 km (0.092 R)
• M7: 4,693,035 km (0.082 R)
• M8: 5,430,552 km (0.097 R)
• M9: 6,027,597 km (0.091 R)
• M10: 6,822,261 km (0.045 R)
• M11: 7,408,236 km (0.087 R)
• M12: 9,728,798 km (0.105 R)
• M13: 10,334,670 km (0.083 R)
• M14: 11,363,604 km (0.106 R)
• M15: 12,188,935 km (0.084 R)
• M16: 12,774,162 km (0.117 R)
• M17: 14,298,564 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 11.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.31 AU - 2.99 AU

Year: 2877 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,777,078 km

• M1: 154,235 km (0.073 R)
• M2: 525,837 km (0.081 R)
• M3: 1,065,286 km (0.046 R)
• M4: 2,577,272 km (0.108 R)
• M5: 3,400,808 km (0.029 R)
• M6: 4,187,843 km (0.113 R)
• M7: 4,910,700 km (0.082 R)
• M8: 7,228,569 km (0.115 R)
• M9: 8,692,833 km (0.105 R)
• M10: 9,477,474 km (0.084 R)
• M11: 10,420,838 km (0.047 R)
• M12: 13,139,929 km (0.04 R)
• M13: 13,672,497 km (0.092 R)
• M14: 15,019,477 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 9.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.93 AU - 3.17 AU

Year: 3552 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,777,078 km

• M1: 115,639 km (0.057 R)
• M2: 490,531 km (0.074 R)
• M3: 1,704,369 km (0.093 R)
• M4: 2,896,664 km (0.091 R)
• M5: 3,470,970 km (0.068 R)
• M6: 3,854,838 km (0.114 R)
• M7: 5,401,979 km (0.111 R)
• M8: 6,244,814 km (0.108 R)
• M9: 6,582,755 km (0.031 R)
• M10: 6,992,204 km (0.108 R)
• M11: 8,124,062 km (0.113 R)
• M12: 9,410,005 km (0.041 R)
• M13: 10,197,788 km (0.093 R)
• M14: 12,032,905 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.7

Radius: 13.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.47 AU - 4.47 AU

Year: 6302 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,777,078 km

• M1: 173,234 km (0.083 R)
• M2: 647,609 km (0.085 R)
• M3: 1,517,371 km (0.095 R)
• M4: 2,038,271 km (0.089 R)
• M5: 2,519,677 km (0.09 R)
• M6: 3,017,838 km (0.103 R)
• M7: 3,450,624 km (0.105 R)
• M8: 4,240,651 km (0.113 R)
• M9: 4,814,059 km (0.097 R)
• M10: 6,991,606 km (0.052 R)
• M11: 7,757,098 km (0.114 R)
• M12: 8,180,012 km (0.118 R)
• M13: 9,114,400 km (0.095 R)
• M14: 9,894,403 km (0.081 R)
• M15: 12,141,662 km (0.065 R)
• M16: 15,481,435 km (0.109 R)
• M17: 15,907,340 km (0.118 R)
• M18: 18,972,900 km (0.09 R)
• M19: 21,422,714 km (0.105 R)
• M20: 22,412,903 km (0.114 R)
• M21: 22,958,636 km (0.047 R)
• M22: 26,680,930 km (0.081 R)
• M23: 27,470,956 km (0.064 R)
• M24: 29,282,437 km (0.098 R)
• M25: 31,852,678 km (0.066 R)
• M26: 33,041,981 km (0.045 R)
• M27: 33,749,130 km (0.118 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: 166 - 18,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit