🌌 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 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.49 AU - 0.67 AU

Year: 285 Days

Day: 27.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.51 AU - 0.71 AU

Year: 308 Days

Day: 13.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,943,296 km

• M1: 55,800 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 11.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.62 AU - 0.78 AU

Year: 378 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 16,943,296 km

• M1: 175,628 km (0.071 R)
• M2: 247,734 km (0.11 R)
• M3: 376,837 km (0.093 R)
• M4: 456,124 km (0.076 R)
• M5: 536,308 km (0.057 R)
• M6: 622,327 km (0.115 R)
• M7: 713,881 km (0.114 R)
• M8: 806,632 km (0.062 R)
• M9: 904,020 km (0.115 R)
• M10: 1,005,746 km (0.073 R)
• M11: 1,159,533 km (0.104 R)
• M12: 1,230,592 km (0.112 R)
• M13: 1,335,460 km (0.083 R)
• M14: 1,467,256 km (0.12 R)
• M15: 1,588,879 km (0.089 R)
• M16: 1,693,597 km (0.114 R)
• M17: 1,795,773 km (0.118 R)
• M18: 1,868,477 km (0.067 R)
• M19: 1,974,094 km (0.096 R)
• M20: 2,071,033 km (0.081 R)
• M21: 2,292,288 km (0.111 R)
• M22: 2,371,575 km (0.073 R)
• M23: 2,451,760 km (0.059 R)
• M24: 2,544,660 km (0.094 R)
• M25: 2,632,773 km (0.047 R)
• M26: 2,727,917 km (0.036 R)
• M27: 2,903,545 km (0.096 R)
• M28: 3,039,230 km (0.048 R)
• M29: 3,234,156 km (0.101 R)
• M30: 3,478,599 km (0.107 R)
• M31: 3,649,590 km (0.092 R)
• M32: 3,870,546 km (0.073 R)
• M33: 4,116,634 km (0.114 R)
• M34: 4,199,811 km (0.09 R)
• M35: 4,417,326 km (0.098 R)
• M36: 4,502,597 km (0.079 R)
• M37: 4,602,678 km (0.101 R)
• M38: 4,703,656 km (0.081 R)
• M39: 4,951,690 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.5

Radius: 10.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.57 AU - 2.23 AU

Year: 1691 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 16,943,296 km

• M1: 133,441 km (0.102 R)
• M2: 212,579 km (0.107 R)
• M3: 311,014 km (0.101 R)
• M4: 380,577 km (0.067 R)
• M5: 482,902 km (0.067 R)
• M6: 630,555 km (0.065 R)
• M7: 775,665 km (0.114 R)
• M8: 919,279 km (0.066 R)
• M9: 1,008,439 km (0.041 R)
• M10: 1,086,380 km (0.113 R)
• M11: 1,188,705 km (0.051 R)
• M12: 1,589,777 km (0.097 R)
• M13: 1,724,115 km (0.084 R)
• M14: 1,995,486 km (0.101 R)
• M15: 2,077,017 km (0.047 R)
• M16: 2,159,595 km (0.058 R)
• M17: 2,262,069 km (0.103 R)
• M18: 2,347,041 km (0.112 R)
• M19: 2,501,127 km (0.119 R)
• M20: 2,638,607 km (0.028 R)
• M21: 2,748,562 km (0.099 R)
• M22: 2,870,185 km (0.043 R)
• M23: 2,993,603 km (0.114 R)
• M24: 3,483,386 km (0.114 R)
• M25: 3,560,130 km (0.111 R)
• M26: 3,681,903 km (0.073 R)
• M27: 3,861,570 km (0.096 R)
• M28: 3,952,525 km (0.094 R)
• M29: 4,055,748 km (0.073 R)
• M30: 4,183,056 km (0.066 R)
• M31: 4,276,554 km (0.051 R)
• M32: 4,802,989 km (0.102 R)
• M33: 5,173,842 km (0.084 R)
• M34: 5,439,079 km (0.114 R)
• M35: 5,695,789 km (0.118 R)
• M36: 6,301,362 km (0.073 R)
• M37: 6,395,309 km (0.095 R)
• M38: 6,476,241 km (0.036 R)
• M39: 6,693,757 km (0.071 R)
• M40: 6,789,649 km (0.062 R)
• M41: 6,982,780 km (0.046 R)
• M42: 7,052,193 km (0.088 R)
• M43: 7,135,818 km (0.036 R)
• M44: 7,516,395 km (0.084 R)
• M45: 7,845,810 km (0.05 R)
• M46: 8,150,690 km (0.105 R)
• M47: 8,712,281 km (0.084 R)
• M48: 8,787,229 km (0.106 R)
• M49: 9,888,569 km (0.093 R)
• M50: 10,170,710 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 9.6

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.78 AU - 2.12 AU

Year: 1758 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 138.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 16,943,296 km

• M1: 133,740 km (0.105 R)
• M2: 243,994 km (0.06 R)
• M3: 307,424 km (0.07 R)
• M4: 404,662 km (0.067 R)
• M5: 514,467 km (0.054 R)
• M6: 619,784 km (0.076 R)
• M7: 708,196 km (0.036 R)
• M8: 1,038,658 km (0.092 R)
• M9: 1,175,989 km (0.038 R)
• M10: 1,773,184 km (0.1 R)
• M11: 2,388,480 km (0.087 R)
• M12: 2,545,557 km (0.115 R)
• M13: 2,625,443 km (0.092 R)
• M14: 2,706,076 km (0.113 R)
• M15: 2,883,798 km (0.086 R)
• M16: 3,122,108 km (0.075 R)
• M17: 3,396,021 km (0.093 R)
• M18: 3,723,042 km (0.117 R)
• M19: 4,375,588 km (0.112 R)
• M20: 4,617,189 km (0.106 R)
• M21: 4,797,155 km (0.099 R)
• M22: 4,912,944 km (0.106 R)
• M23: 5,113,554 km (0.045 R)
• M24: 5,282,899 km (0.086 R)
• M25: 5,351,116 km (0.114 R)
• M26: 5,419,632 km (0.111 R)
• M27: 5,574,914 km (0.084 R)
• M28: 6,246,908 km (0.064 R)
• M29: 6,355,366 km (0.108 R)
• M30: 6,500,925 km (0.1 R)
• M31: 6,574,078 km (0.088 R)
• M32: 6,758,383 km (0.107 R)
• M33: 6,851,134 km (0.115 R)
• M34: 7,037,981 km (0.059 R)
• M35: 7,131,929 km (0.115 R)
• M36: 7,283,322 km (0.095 R)
• M37: 7,454,911 km (0.097 R)
• M38: 7,531,505 km (0.063 R)
• M39: 7,608,548 km (0.095 R)
• M40: 7,705,038 km (0.118 R)
• M41: 7,977,606 km (0.111 R)
• M42: 8,154,430 km (0.073 R)
• M43: 8,253,315 km (0.076 R)
• M44: 8,452,130 km (0.047 R)
• M45: 8,854,698 km (0.115 R)
• M46: 8,915,584 km (0.056 R)
• M47: 9,263,399 km (0.092 R)
• M48: 9,345,977 km (0.068 R)
• M49: 9,846,083 km (0.113 R)
• M50: 9,930,307 km (0.088 R)
• M51: 10,612,623 km (0.067 R)
• M52: 10,807,249 km (0.087 R)
• M53: 11,068,746 km (0.069 R)
• M54: 11,288,057 km (0.096 R)
• M55: 11,354,179 km (0.094 R)
• M56: 11,420,451 km (0.117 R)
• M57: 11,509,013 km (0.091 R)
• M58: 11,664,445 km (0.107 R)
• M59: 12,361,272 km (0.079 R)
• M60: 12,611,848 km (0.073 R)
• M61: 12,979,261 km (0.113 R)
• M62: 13,233,876 km (0.103 R)
• M63: 13,373,451 km (0.114 R)
• M64: 13,466,800 km (0.095 R)
• M65: 13,724,707 km (0.11 R)
• M66: 13,818,804 km (0.117 R)
• M67: 14,340,452 km (0.1 R)
• M68: 14,459,981 km (0.084 R)
• M69: 14,531,788 km (0.099 R)
• M70: 14,965,322 km (0.075 R)
• M71: 15,110,881 km (0.037 R)
• M72: 15,525,566 km (0.104 R)
• M73: 15,894,624 km (0.114 R)
• M74: 15,993,508 km (0.03 R)
• M75: 16,092,542 km (0.059 R)
• M76: 16,167,042 km (0.106 R)
• M77: 16,241,691 km (0.109 R)
• M78: 16,541,186 km (0.103 R)
• M79: 16,842,476 km (0.108 R)
• M80: 16,943,305 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 17,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit