🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.61 AU - 0.83 AU

Year: 275 Days

Day: 33.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.4 AU - 1.42 AU

Year: 753 Days

Day: 17.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 8.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.01 AU - 2.67 AU

Year: 1609 Days

Day: 7.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 99,824,520 km

• M1: 106,065 km (0.109 R)
• M2: 374,294 km (0.118 R)
• M3: 639,680 km (0.114 R)
• M4: 972,685 km (0.112 R)
• M5: 1,305,241 km (0.027 R)
• M6: 1,627,176 km (0.038 R)
• M7: 1,926,970 km (0.045 R)
• M8: 2,204,773 km (0.05 R)
• M9: 2,484,222 km (0.116 R)
• M10: 3,027,412 km (0.046 R)
• M11: 3,484,882 km (0.12 R)
• M12: 4,932,840 km (0.108 R)
• M13: 6,279,071 km (0.092 R)
• M14: 6,545,655 km (0.083 R)
• M15: 7,311,746 km (0.066 R)
• M16: 9,936,590 km (0.11 R)
• M17: 10,366,384 km (0.09 R)
• M18: 12,024,677 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 12.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.74 AU - 3.66 AU

Year: 2574 Days

Day: 8.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 99,824,520 km

• M1: 160,519 km (0.055 R)
• M2: 653,593 km (0.094 R)
• M3: 1,156,242 km (0.12 R)
• M4: 1,801,906 km (0.091 R)
• M5: 2,373,071 km (0.111 R)
• M6: 3,466,033 km (0.059 R)
• M7: 4,230,628 km (0.053 R)
• M8: 5,372,359 km (0.077 R)
• M9: 6,150,268 km (0.074 R)
• M10: 7,995,857 km (0.063 R)
• M11: 8,732,028 km (0.109 R)
• M12: 9,152,248 km (0.09 R)
• M13: 9,586,232 km (0.091 R)
• M14: 11,669,532 km (0.053 R)
• M15: 12,974,623 km (0.059 R)
• M16: 14,520,119 km (0.026 R)
• M17: 15,362,654 km (0.105 R)
• M18: 17,584,033 km (0.043 R)
• M19: 20,072,444 km (0.079 R)
• M20: 20,621,468 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.7

Radius: 9.5

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.14 AU - 6.66 AU

Year: 5642 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 99,824,520 km

• M1: 119,230 km (0.091 R)
• M2: 416,780 km (0.09 R)
• M3: 810,671 km (0.089 R)
• M4: 1,242,261 km (0.106 R)
• M5: 1,675,945 km (0.066 R)
• M6: 2,832,486 km (0.114 R)
• M7: 3,165,790 km (0.081 R)
• M8: 3,864,861 km (0.075 R)
• M9: 5,905,077 km (0.104 R)
• M10: 7,463,438 km (0.082 R)
• M11: 8,617,286 km (0.101 R)
• M12: 9,279,257 km (0.09 R)
• M13: 9,753,632 km (0.076 R)
• M14: 11,518,587 km (0.111 R)
• M15: 13,432,094 km (0.066 R)
• M16: 14,321,902 km (0.067 R)
• M17: 15,250,456 km (0.107 R)
• M18: 20,288,014 km (0.117 R)
• M19: 24,744,236 km (0.077 R)
• M20: 25,406,057 km (0.103 R)
• M21: 26,765,004 km (0.096 R)
• M22: 29,075,693 km (0.081 R)
• M23: 29,442,656 km (0.107 R)
• M24: 33,183,949 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.9

Radius: 8.2

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.78 AU - 7.5 AU

Year: 6840 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 99,824,520 km

• M1: 102,026 km (0.057 R)
• M2: 387,458 km (0.081 R)
• M3: 727,046 km (0.115 R)
• M4: 2,420,494 km (0.113 R)
• M5: 3,016,192 km (0.1 R)
• M6: 3,348,898 km (0.091 R)
• M7: 3,799,337 km (0.112 R)
• M8: 4,088,510 km (0.083 R)
• M9: 5,700,277 km (0.069 R)
• M10: 7,033,493 km (0.08 R)
• M11: 8,768,829 km (0.104 R)
• M12: 11,452,914 km (0.11 R)
• M13: 11,854,584 km (0.101 R)
• M14: 17,702,215 km (0.1 R)
• M15: 18,857,111 km (0.094 R)
• M16: 20,571,951 km (0.105 R)
• M17: 21,847,871 km (0.092 R)
• M18: 32,291,598 km (0.095 R)
• M19: 32,691,024 km (0.087 R)
• M20: 35,157,295 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.7

Radius: 6.1

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.93 AU - 12.01 AU

Year: 18619 Days

Day: 21.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,824,520 km

• M1: 75,846 km (0.084 R)
• M2: 488,736 km (0.116 R)
• M3: 828,623 km (0.06 R)
• M4: 1,140,085 km (0.119 R)
• M5: 1,426,565 km (0.104 R)
• M6: 2,438,445 km (0.12 R)
• M7: 3,534,399 km (0.096 R)
• M8: 4,666,406 km (0.085 R)
• M9: 6,526,806 km (0.111 R)
• M10: 9,381,432 km (0.109 R)
• M11: 11,630,187 km (0.117 R)
• M12: 15,108,487 km (0.103 R)
• M13: 15,820,723 km (0.101 R)
• M14: 17,389,107 km (0.095 R)
• M15: 20,143,652 km (0.06 R)
• M16: 25,094,594 km (0.092 R)
• M17: 26,092,561 km (0.084 R)
• M18: 30,461,717 km (0.073 R)
• M19: 43,393,406 km (0.112 R)
• M20: 51,524,199 km (0.092 R)
• M21: 54,942,212 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.8

Radius: 5.7

Gravity: 30.65 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 13.26 AU - 15.82 AU

Year: 24927 Days

Day: 18.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 99,824,520 km

• M1: 72,705 km (0.05 R)
• M2: 394,340 km (0.105 R)
• M3: 942,915 km (0.039 R)
• M4: 1,237,773 km (0.116 R)
• M5: 1,449,903 km (0.1 R)
• M6: 1,725,013 km (0.102 R)
• M7: 2,237,236 km (0.068 R)
• M8: 4,061,133 km (0.116 R)
• M9: 5,289,332 km (0.061 R)
• M10: 7,356,326 km (0.096 R)
• M11: 8,626,412 km (0.091 R)
• M12: 10,036,072 km (0.117 R)
• M13: 10,493,842 km (0.116 R)
• M14: 12,614,990 km (0.094 R)
• M15: 15,260,628 km (0.065 R)
• M16: 16,218,803 km (0.075 R)
• M17: 20,558,188 km (0.102 R)
• M18: 27,719,438 km (0.08 R)
• M19: 28,231,362 km (0.12 R)
• M20: 29,805,281 km (0.113 R)
• M21: 32,133,623 km (0.088 R)
• M22: 33,558,393 km (0.072 R)
• M23: 36,380,706 km (0.097 R)
• M24: 37,148,742 km (0.057 R)
• M25: 38,242,302 km (0.106 R)
• M26: 43,172,599 km (0.108 R)
• M27: 46,684,559 km (0.111 R)
• M28: 48,880,655 km (0.056 R)
• M29: 51,528,687 km (0.062 R)
• M30: 65,532,694 km (0.108 R)
• M31: 65,985,676 km (0.071 R)
• M32: 71,346,516 km (0.116 R)
• M33: 80,049,821 km (0.108 R)
• M34: 83,454,668 km (0.108 R)
• M35: 88,602,630 km (0.098 R)
• M36: 89,156,441 km (0.109 R)
• M37: 91,113,331 km (0.112 R)
• M38: 91,395,174 km (0.08 R)
• M39: 94,534,186 km (0.109 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: 282 - 16,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit