🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 9.6

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.55 AU - 0.77 AU

Year: 358 Days

Day: 13.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,426,139 km

• M1: 119,379 km (0.096 R)
• M2: 522,845 km (0.101 R)
• M3: 838,496 km (0.085 R)
• M4: 1,140,534 km (0.097 R)
• M5: 1,543,850 km (0.073 R)
• M6: 1,937,143 km (0.109 R)
• M7: 2,378,457 km (0.109 R)
• M8: 2,682,589 km (0.059 R)
• M9: 2,991,509 km (0.058 R)
• M10: 3,301,475 km (0.063 R)
• M11: 3,645,102 km (0.116 R)
• M12: 5,604,834 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 10.4

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.58 AU - 2.84 AU

Year: 2975 Days

Day: 7.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,426,139 km

• M1: 131,197 km (0.104 R)
• M2: 590,912 km (0.084 R)
• M3: 1,364,931 km (0.098 R)
• M4: 1,778,569 km (0.045 R)
• M5: 2,289,446 km (0.061 R)
• M6: 3,185,088 km (0.112 R)
• M7: 4,087,014 km (0.086 R)
• M8: 5,526,744 km (0.044 R)
• M9: 6,362,098 km (0.086 R)
• M10: 7,125,646 km (0.12 R)
• M11: 7,529,710 km (0.069 R)
• M12: 9,823,045 km (0.085 R)
• M13: 15,121,802 km (0.108 R)
• M14: 15,947,881 km (0.1 R)
• M15: 16,586,963 km (0.06 R)
• M16: 17,521,351 km (0.106 R)
• M17: 20,723,045 km (0.12 R)
• M18: 21,548,376 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.6

Radius: 7.3

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.21 AU - 7.01 AU

Year: 11333 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,426,139 km

• M1: 91,404 km (0.059 R)
• M2: 342,579 km (0.062 R)
• M3: 685,009 km (0.101 R)
• M4: 988,393 km (0.094 R)
• M5: 1,286,841 km (0.1 R)
• M6: 1,756,877 km (0.046 R)
• M7: 2,014,036 km (0.063 R)
• M8: 2,276,880 km (0.069 R)
• M9: 3,084,110 km (0.118 R)
• M10: 4,011,018 km (0.049 R)
• M11: 4,398,776 km (0.112 R)
• M12: 5,284,096 km (0.075 R)
• M13: 5,750,542 km (0.118 R)
• M14: 7,895,028 km (0.042 R)
• M15: 8,796,504 km (0.073 R)
• M16: 10,247,604 km (0.083 R)
• M17: 10,522,565 km (0.089 R)
• M18: 11,553,593 km (0.036 R)
• M19: 12,400,915 km (0.045 R)
• M20: 14,630,073 km (0.094 R)
• M21: 15,621,159 km (0.096 R)
• M22: 16,960,060 km (0.111 R)
• M23: 19,109,482 km (0.101 R)
• M24: 22,340,946 km (0.111 R)
• M25: 36,052,638 km (0.029 R)
• M26: 47,012,328 km (0.079 R)
• M27: 50,101,823 km (0.082 R)
• M28: 53,653,426 km (0.036 R)
• M29: 57,024,764 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.4

Radius: 7.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.62 AU - 9.24 AU

Year: 13506 Days

Day: 21.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,426,139 km

• M1: 95,743 km (0.111 R)
• M2: 349,909 km (0.116 R)
• M3: 780,452 km (0.084 R)
• M4: 1,060,499 km (0.077 R)
• M5: 1,952,551 km (0.057 R)
• M6: 2,230,654 km (0.058 R)
• M7: 2,727,169 km (0.106 R)
• M8: 3,119,265 km (0.074 R)
• M9: 4,172,584 km (0.067 R)
• M10: 4,497,062 km (0.035 R)
• M11: 5,045,487 km (0.12 R)
• M12: 7,456,257 km (0.1 R)
• M13: 11,563,616 km (0.076 R)
• M14: 15,776,442 km (0.115 R)
• M15: 16,632,740 km (0.106 R)
• M16: 19,018,527 km (0.08 R)
• M17: 19,387,585 km (0.119 R)
• M18: 19,686,332 km (0.039 R)
• M19: 23,684,036 km (0.103 R)
• M20: 27,154,706 km (0.09 R)
• M21: 32,394,521 km (0.065 R)
• M22: 36,427,530 km (0.095 R)
• M23: 37,456,764 km (0.103 R)
• M24: 39,334,217 km (0.03 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.9

Radius: 4

Gravity: 51.18 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.53 AU - 9.13 AU

Year: 14611 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,426,139 km

• M1: 53,107 km (0.063 R)
• M2: 709,393 km (0.082 R)
• M3: 1,200,224 km (0.048 R)
• M4: 1,613,263 km (0.107 R)
• M5: 2,018,524 km (0.115 R)
• M6: 2,234,992 km (0.104 R)
• M7: 2,760,978 km (0.063 R)
• M8: 3,473,812 km (0.12 R)
• M9: 3,613,088 km (0.07 R)
• M10: 3,784,976 km (0.091 R)
• M11: 4,176,174 km (0.103 R)
• M12: 4,694,232 km (0.102 R)
• M13: 4,864,474 km (0.09 R)
• M14: 5,074,360 km (0.085 R)
• M15: 5,549,632 km (0.115 R)
• M16: 6,338,013 km (0.097 R)
• M17: 6,976,198 km (0.102 R)
• M18: 7,424,991 km (0.071 R)
• M19: 8,085,017 km (0.063 R)
• M20: 8,231,473 km (0.07 R)
• M21: 8,681,164 km (0.093 R)
• M22: 10,413,657 km (0.087 R)
• M23: 16,808,966 km (0.062 R)
• M24: 17,288,428 km (0.096 R)
• M25: 18,527,247 km (0.035 R)
• M26: 18,953,003 km (0.096 R)
• M27: 20,449,281 km (0.097 R)
• M28: 21,833,510 km (0.09 R)
• M29: 26,896,949 km (0.08 R)
• M30: 27,114,315 km (0.09 R)
• M31: 27,995,596 km (0.113 R)
• M32: 28,218,796 km (0.108 R)
• M33: 41,391,936 km (0.062 R)
• M34: 41,536,746 km (0.087 R)
• M35: 42,118,981 km (0.057 R)
• M36: 50,026,725 km (0.098 R)
• M37: 56,879,654 km (0.096 R)
• M38: 57,417,458 km (0.114 R)
• M39: 58,503,239 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.1

Radius: 5

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.81 AU - 11.4 AU

Year: 23014 Days

Day: 23.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,426,139 km

• M1: 63,878 km (0.092 R)
• M2: 224,397 km (0.106 R)
• M3: 635,791 km (0.113 R)
• M4: 1,003,503 km (0.099 R)
• M5: 1,199,925 km (0.08 R)
• M6: 1,815,669 km (0.097 R)
• M7: 2,597,169 km (0.102 R)
• M8: 2,970,715 km (0.034 R)
• M9: 3,824,170 km (0.075 R)
• M10: 6,652,318 km (0.073 R)
• M11: 11,193,212 km (0.075 R)
• M12: 19,223,177 km (0.114 R)
• M13: 21,210,285 km (0.045 R)
• M14: 24,173,819 km (0.078 R)
• M15: 30,158,033 km (0.107 R)
• M16: 38,350,611 km (0.074 R)
• M17: 45,752,564 km (0.109 R)
• M18: 48,756,788 km (0.083 R)
• M19: 53,324,610 km (0.117 R)
• M20: 67,869,113 km (0.086 R)
• M21: 74,901,111 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 19,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit