🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 8.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.53 AU - 0.57 AU

Year: 277 Days

Day: 5.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,308,255 km

• M1: 110,702 km (0.075 R)
• M2: 505,192 km (0.085 R)
• M3: 862,432 km (0.104 R)
• M4: 1,209,050 km (0.098 R)
• M5: 1,574,368 km (0.038 R)
• M6: 2,093,622 km (0.048 R)
• M7: 2,915,363 km (0.088 R)
• M8: 3,744,883 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 13.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.68 AU - 0.82 AU

Year: 441 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 47,308,255 km

• M1: 162,912 km (0.112 R)
• M2: 674,836 km (0.089 R)
• M3: 1,109,717 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 14.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.25 AU - 1.45 AU

Year: 1064 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,308,255 km

• M1: 182,809 km (0.08 R)
• M2: 644,318 km (0.105 R)
• M3: 1,101,489 km (0.048 R)
• M4: 1,999,824 km (0.068 R)
• M5: 2,645,489 km (0.073 R)
• M6: 3,130,335 km (0.106 R)
• M7: 4,068,164 km (0.025 R)
• M8: 5,258,216 km (0.108 R)
• M9: 5,934,847 km (0.084 R)
• M10: 6,905,438 km (0.052 R)
• M11: 7,555,590 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 8.3

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.38 AU - 1.96 AU

Year: 1464 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,308,255 km

• M1: 103,223 km (0.05 R)
• M2: 407,056 km (0.093 R)
• M3: 999,164 km (0.048 R)
• M4: 1,412,353 km (0.086 R)
• M5: 1,720,076 km (0.106 R)
• M6: 3,048,954 km (0.07 R)
• M7: 3,776,149 km (0.079 R)
• M8: 4,339,834 km (0.092 R)
• M9: 5,177,283 km (0.073 R)
• M10: 6,006,055 km (0.054 R)
• M11: 6,701,685 km (0.063 R)
• M12: 7,295,888 km (0.093 R)
• M13: 7,658,513 km (0.112 R)
• M14: 8,935,331 km (0.11 R)
• M15: 9,380,834 km (0.074 R)
• M16: 9,809,880 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 9.6

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.18 AU - 2.86 AU

Year: 2713 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,308,255 km

• M1: 119,379 km (0.076 R)
• M2: 464,202 km (0.094 R)
• M3: 773,870 km (0.032 R)
• M4: 1,320,500 km (0.1 R)
• M5: 1,727,257 km (0.047 R)
• M6: 2,122,495 km (0.096 R)
• M7: 2,845,352 km (0.058 R)
• M8: 3,456,309 km (0.114 R)
• M9: 4,152,089 km (0.115 R)
• M10: 5,279,907 km (0.041 R)
• M11: 5,636,848 km (0.073 R)
• M12: 5,955,491 km (0.114 R)
• M13: 6,286,402 km (0.054 R)
• M14: 8,993,674 km (0.12 R)
• M15: 9,691,100 km (0.034 R)
• M16: 10,266,752 km (0.096 R)
• M17: 11,486,424 km (0.101 R)
• M18: 12,219,154 km (0.1 R)
• M19: 14,604,642 km (0.036 R)
• M20: 14,904,286 km (0.064 R)
• M21: 17,340,338 km (0.062 R)
• M22: 18,828,687 km (0.088 R)
• M23: 19,543,615 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.9

Radius: 13.2

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.93 AU - 3.17 AU

Year: 2762 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,308,255 km

• M1: 164,857 km (0.1 R)
• M2: 658,231 km (0.055 R)
• M3: 1,099,993 km (0.046 R)
• M4: 2,468,814 km (0.061 R)
• M5: 2,884,397 km (0.055 R)
• M6: 3,806,069 km (0.088 R)
• M7: 5,000,758 km (0.098 R)
• M8: 5,650,312 km (0.055 R)
• M9: 6,902,296 km (0.092 R)
• M10: 8,120,322 km (0.066 R)
• M11: 9,051,868 km (0.092 R)
• M12: 9,745,404 km (0.117 R)
• M13: 10,157,396 km (0.097 R)
• M14: 11,238,839 km (0.108 R)
• M15: 11,730,717 km (0.112 R)
• M16: 12,355,737 km (0.062 R)
• M17: 12,798,247 km (0.046 R)
• M18: 13,209,791 km (0.091 R)
• M19: 13,630,161 km (0.057 R)
• M20: 14,189,956 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.4

Radius: 3.1

Gravity: 25.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.26 AU - 8.52 AU

Year: 16483 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,308,255 km

• M1: 39,195 km (0.027 R)
• M2: 165,455 km (0.119 R)
• M3: 291,865 km (0.107 R)
• M4: 541,843 km (0.084 R)
• M5: 716,873 km (0.119 R)
• M6: 938,278 km (0.084 R)
• M7: 1,239,718 km (0.074 R)
• M8: 1,616,704 km (0.096 R)
• M9: 2,356,017 km (0.113 R)
• M10: 5,668,114 km (0.054 R)
• M11: 5,806,641 km (0.114 R)
• M12: 6,090,279 km (0.078 R)
• M13: 6,457,691 km (0.097 R)
• M14: 6,761,973 km (0.067 R)
• M15: 7,277,039 km (0.103 R)
• M16: 7,648,490 km (0.066 R)
• M17: 11,033,890 km (0.111 R)
• M18: 11,249,760 km (0.086 R)
• M19: 12,605,117 km (0.101 R)
• M20: 15,907,041 km (0.109 R)
• M21: 17,977,625 km (0.069 R)
• M22: 18,807,744 km (0.032 R)
• M23: 20,060,326 km (0.081 R)
• M24: 21,871,957 km (0.045 R)
• M25: 26,101,537 km (0.098 R)
• M26: 29,791,219 km (0.072 R)
• M27: 43,180,378 km (0.11 R)
• M28: 46,884,122 km (0.037 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 19,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit