🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.4

Radius: 9.6

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.1 AU - 1.6 AU

Year: 1083 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,064,740 km

• M1: 119,379 km (0.117 R)
• M2: 477,816 km (0.057 R)
• M3: 1,156,242 km (0.037 R)
• M4: 1,734,587 km (0.09 R)
• M5: 2,399,849 km (0.053 R)
• M6: 3,299,680 km (0.114 R)
• M7: 3,942,353 km (0.053 R)
• M8: 4,267,279 km (0.096 R)
• M9: 4,741,355 km (0.039 R)
• M10: 5,413,797 km (0.048 R)
• M11: 5,773,281 km (0.094 R)
• M12: 6,216,540 km (0.071 R)
• M13: 6,540,120 km (0.075 R)
• M14: 7,071,641 km (0.102 R)
• M15: 8,526,779 km (0.098 R)
• M16: 9,161,374 km (0.112 R)
• M17: 9,490,339 km (0.103 R)
• M18: 10,171,907 km (0.116 R)
• M19: 10,852,727 km (0.066 R)
• M20: 11,563,467 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.3

Radius: 8.1

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.32 AU - 2.02 AU

Year: 1490 Days

Day: 9.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,064,740 km

• M1: 100,679 km (0.049 R)
• M2: 361,877 km (0.091 R)
• M3: 710,440 km (0.115 R)
• M4: 1,043,445 km (0.106 R)
• M5: 1,416,542 km (0.036 R)
• M6: 2,147,777 km (0.11 R)
• M7: 2,421,990 km (0.069 R)
• M8: 2,871,382 km (0.08 R)
• M9: 3,150,382 km (0.085 R)
• M10: 3,506,424 km (0.119 R)
• M11: 4,131,744 km (0.1 R)
• M12: 4,576,648 km (0.072 R)
• M13: 4,903,220 km (0.104 R)
• M14: 5,913,604 km (0.075 R)
• M15: 6,257,679 km (0.074 R)
• M16: 6,798,625 km (0.073 R)
• M17: 7,272,850 km (0.097 R)
• M18: 7,922,254 km (0.065 R)
• M19: 8,664,110 km (0.117 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.9

Radius: 3.2

Gravity: 33.49 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.49 AU - 7.51 AU

Year: 11439 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 53.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,064,740 km

• M1: 39,793 km (0.095 R)
• M2: 191,635 km (0.064 R)
• M3: 343,477 km (0.093 R)
• M4: 737,518 km (0.067 R)
• M5: 1,043,595 km (0.076 R)
• M6: 1,454,241 km (0.039 R)
• M7: 1,645,726 km (0.049 R)
• M8: 2,180,688 km (0.069 R)
• M9: 2,885,145 km (0.081 R)
• M10: 3,232,361 km (0.097 R)
• M11: 3,439,405 km (0.117 R)
• M12: 3,582,420 km (0.041 R)
• M13: 3,829,406 km (0.104 R)
• M14: 4,992,679 km (0.106 R)
• M15: 5,363,981 km (0.113 R)
• M16: 5,720,323 km (0.04 R)
• M17: 7,540,630 km (0.084 R)
• M18: 8,112,094 km (0.059 R)
• M19: 10,047,591 km (0.089 R)
• M20: 11,199,196 km (0.055 R)
• M21: 11,513,651 km (0.084 R)
• M22: 16,418,366 km (0.06 R)
• M23: 16,823,926 km (0.102 R)
• M24: 18,367,926 km (0.102 R)
• M25: 18,731,598 km (0.102 R)
• M26: 19,100,058 km (0.116 R)
• M27: 22,141,233 km (0.103 R)
• M28: 25,760,454 km (0.077 R)
• M29: 28,964,242 km (0.043 R)
• M30: 29,357,834 km (0.109 R)
• M31: 31,275,828 km (0.074 R)
• M32: 33,924,608 km (0.097 R)
• M33: 35,695,997 km (0.083 R)
• M34: 38,467,297 km (0.088 R)
• M35: 39,301,754 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.7

Radius: 4.7

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.37 AU - 8.43 AU

Year: 16805 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,064,740 km

• M1: 58,493 km (0.034 R)
• M2: 645,066 km (0.116 R)
• M3: 1,256,323 km (0.118 R)
• M4: 1,495,231 km (0.034 R)
• M5: 1,686,267 km (0.106 R)
• M6: 2,766,813 km (0.087 R)
• M7: 3,642,559 km (0.064 R)
• M8: 3,800,235 km (0.112 R)
• M9: 4,157,624 km (0.048 R)
• M10: 5,994,237 km (0.07 R)
• M11: 7,068,649 km (0.082 R)
• M12: 9,393,998 km (0.092 R)
• M13: 11,107,941 km (0.104 R)
• M14: 13,957,033 km (0.031 R)
• M15: 14,805,103 km (0.086 R)
• M16: 17,406,161 km (0.102 R)
• M17: 22,951,455 km (0.093 R)
• M18: 23,490,755 km (0.049 R)
• M19: 25,540,695 km (0.093 R)
• M20: 31,290,639 km (0.093 R)
• M21: 33,651,891 km (0.091 R)
• M22: 37,722,001 km (0.119 R)
• M23: 38,347,021 km (0.104 R)
• M24: 39,361,145 km (0.078 R)
• M25: 40,133,518 km (0.095 R)
• M26: 40,784,718 km (0.106 R)
• M27: 44,701,639 km (0.074 R)
• M28: 46,250,575 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.7

Radius: 3.2

Gravity: 21.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.93 AU - 11.43 AU

Year: 19199 Days

Day: 19.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,064,740 km

• M1: 39,793 km (0.111 R)
• M2: 195,375 km (0.088 R)
• M3: 957,426 km (0.114 R)
• M4: 1,100,891 km (0.116 R)
• M5: 2,153,312 km (0.093 R)
• M6: 2,303,358 km (0.04 R)
• M7: 2,773,844 km (0.105 R)
• M8: 3,043,269 km (0.105 R)
• M9: 6,379,751 km (0.109 R)
• M10: 6,968,867 km (0.084 R)
• M11: 8,345,168 km (0.085 R)
• M12: 9,539,108 km (0.087 R)
• M13: 11,908,589 km (0.097 R)
• M14: 19,645,641 km (0.103 R)
• M15: 20,968,834 km (0.105 R)
• M16: 22,438,484 km (0.119 R)
• M17: 26,956,190 km (0.082 R)
• M18: 28,276,391 km (0.106 R)
• M19: 30,825,688 km (0.108 R)
• M20: 41,347,355 km (0.061 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 13,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit