🌌 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: 602.9

Radius: 8.7

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.65 AU - 0.67 AU

Year: 364 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,124,797 km

• M1: 108,159 km (0.061 R)
• M2: 468,541 km (0.094 R)
• M3: 747,391 km (0.045 R)
• M4: 1,211,743 km (0.103 R)
• M5: 1,533,229 km (0.083 R)
• M6: 2,004,013 km (0.092 R)
• M7: 2,540,920 km (0.082 R)
• M8: 3,279,485 km (0.106 R)
• M9: 3,574,791 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 13.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.89 AU - 1.19 AU

Year: 719 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,124,797 km

• M1: 162,912 km (0.115 R)
• M2: 573,259 km (0.099 R)
• M3: 998,267 km (0.096 R)
• M4: 1,567,038 km (0.087 R)
• M5: 2,059,215 km (0.109 R)
• M6: 3,500,441 km (0.073 R)
• M7: 4,403,563 km (0.08 R)
• M8: 4,840,688 km (0.063 R)
• M9: 6,123,938 km (0.057 R)
• M10: 7,181,147 km (0.033 R)
• M11: 7,935,120 km (0.109 R)
• M12: 8,611,601 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 12.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.21 AU - 2.97 AU

Year: 2827 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,124,797 km

• M1: 161,416 km (0.065 R)
• M2: 883,226 km (0.082 R)
• M3: 1,398,590 km (0.103 R)
• M4: 1,937,592 km (0.119 R)
• M5: 3,426,090 km (0.097 R)
• M6: 4,179,914 km (0.07 R)
• M7: 5,744,558 km (0.064 R)
• M8: 8,829,266 km (0.072 R)
• M9: 9,502,756 km (0.094 R)
• M10: 9,923,126 km (0.078 R)
• M11: 10,838,815 km (0.09 R)
• M12: 11,298,080 km (0.112 R)
• M13: 14,286,896 km (0.118 R)
• M14: 15,647,040 km (0.103 R)
• M15: 16,086,259 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 8.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.57 AU - 2.71 AU

Year: 2909 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,124,797 km

• M1: 103,223 km (0.086 R)
• M2: 384,167 km (0.105 R)
• M3: 794,065 km (0.11 R)
• M4: 1,102,387 km (0.094 R)
• M5: 1,431,352 km (0.114 R)
• M6: 1,796,072 km (0.044 R)
• M7: 2,661,496 km (0.077 R)
• M8: 2,930,024 km (0.099 R)
• M9: 3,813,998 km (0.096 R)
• M10: 4,427,349 km (0.079 R)
• M11: 5,004,049 km (0.093 R)
• M12: 5,827,435 km (0.099 R)
• M13: 6,520,223 km (0.091 R)
• M14: 7,687,386 km (0.079 R)
• M15: 8,180,012 km (0.096 R)
• M16: 8,491,325 km (0.073 R)
• M17: 9,198,175 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.6

Radius: 3.4

Gravity: 75.05 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.76 AU - 7.06 AU

Year: 9745 Days

Day: 20.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 73.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,124,797 km

• M1: 42,336 km (0.118 R)
• M2: 349,311 km (0.114 R)
• M3: 569,968 km (0.066 R)
• M4: 1,056,011 km (0.116 R)
• M5: 1,271,731 km (0.112 R)
• M6: 1,906,176 km (0.116 R)
• M7: 2,097,661 km (0.111 R)
• M8: 2,244,866 km (0.04 R)
• M9: 2,438,445 km (0.088 R)
• M10: 6,719,338 km (0.1 R)
• M11: 7,080,617 km (0.068 R)
• M12: 7,454,611 km (0.109 R)
• M13: 7,841,621 km (0.107 R)
• M14: 9,326,530 km (0.107 R)
• M15: 9,725,058 km (0.094 R)
• M16: 9,928,511 km (0.118 R)
• M17: 10,449,710 km (0.089 R)
• M18: 10,717,042 km (0.071 R)
• M19: 10,988,861 km (0.058 R)
• M20: 11,947,634 km (0.106 R)
• M21: 13,022,046 km (0.116 R)
• M22: 14,289,589 km (0.073 R)
• M23: 14,885,886 km (0.105 R)
• M24: 15,020,524 km (0.12 R)
• M25: 18,118,097 km (0.103 R)
• M26: 19,291,543 km (0.104 R)
• M27: 20,101,316 km (0.112 R)
• M28: 23,204,275 km (0.081 R)
• M29: 24,305,615 km (0.106 R)
• M30: 24,680,358 km (0.079 R)
• M31: 25,154,134 km (0.029 R)
• M32: 26,315,911 km (0.052 R)
• M33: 30,554,916 km (0.096 R)
• M34: 30,772,581 km (0.116 R)
• M35: 32,664,994 km (0.095 R)
• M36: 43,710,852 km (0.119 R)
• M37: 44,264,664 km (0.106 R)
• M38: 44,403,939 km (0.115 R)
• M39: 49,612,189 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.4

Radius: 4.4

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.21 AU - 7.55 AU

Year: 13598 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,124,797 km

• M1: 54,753 km (0.112 R)
• M2: 319,691 km (0.108 R)
• M3: 523,293 km (0.039 R)
• M4: 1,114,205 km (0.053 R)
• M5: 1,364,482 km (0.114 R)
• M6: 1,503,159 km (0.056 R)
• M7: 1,842,148 km (0.115 R)
• M8: 3,096,227 km (0.086 R)
• M9: 3,539,486 km (0.076 R)
• M10: 4,223,597 km (0.042 R)
• M11: 4,581,584 km (0.117 R)
• M12: 5,024,544 km (0.088 R)
• M13: 8,483,695 km (0.085 R)
• M14: 8,765,238 km (0.095 R)
• M15: 8,956,275 km (0.056 R)
• M16: 9,446,208 km (0.099 R)
• M17: 10,005,405 km (0.065 R)
• M18: 13,199,020 km (0.103 R)
• M19: 14,754,090 km (0.077 R)
• M20: 17,160,222 km (0.115 R)
• M21: 21,326,373 km (0.085 R)
• M22: 24,669,736 km (0.102 R)
• M23: 25,242,995 km (0.084 R)
• M24: 26,020,904 km (0.026 R)
• M25: 26,714,589 km (0.12 R)
• M26: 28,764,529 km (0.039 R)
• M27: 31,919,548 km (0.026 R)
• M28: 34,224,851 km (0.114 R)
• M29: 35,418,193 km (0.094 R)
• M30: 38,394,593 km (0.099 R)
• M31: 39,552,480 km (0.105 R)
• M32: 42,616,843 km (0.117 R)
• M33: 43,303,348 km (0.083 R)
• M34: 45,835,591 km (0.039 R)
• M35: 47,138,139 km (0.029 R)
• M36: 48,020,019 km (0.088 R)
• M37: 51,502,508 km (0.059 R)
• M38: 51,657,641 km (0.118 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: 370 - 19,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit