🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 8

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 7.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,719,180 km

• M1: 99,483 km (0.094 R)
• M2: 363,224 km (0.119 R)
• M3: 677,379 km (0.082 R)
• M4: 1,050,476 km (0.112 R)
• M5: 1,305,241 km (0.06 R)
• M6: 1,634,656 km (0.077 R)
• M7: 2,096,913 km (0.077 R)
• M8: 2,699,494 km (0.045 R)
• M9: 3,909,292 km (0.088 R)
• M10: 4,296,600 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 10.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.58 AU - 0.88 AU

Year: 431 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,719,180 km

• M1: 134,040 km (0.076 R)
• M2: 482,453 km (0.111 R)
• M3: 835,055 km (0.079 R)
• M4: 1,275,471 km (0.037 R)
• M5: 2,030,342 km (0.043 R)
• M6: 2,620,207 km (0.103 R)
• M7: 3,388,541 km (0.087 R)
• M8: 4,039,143 km (0.098 R)
• M9: 4,490,180 km (0.104 R)
• M10: 5,019,158 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 8.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.94 AU - 1.32 AU

Year: 829 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,719,180 km

• M1: 101,577 km (0.103 R)
• M2: 367,712 km (0.116 R)
• M3: 698,772 km (0.051 R)
• M4: 1,309,430 km (0.106 R)
• M5: 1,744,760 km (0.108 R)
• M6: 2,486,017 km (0.045 R)
• M7: 2,796,882 km (0.116 R)
• M8: 3,637,323 km (0.084 R)
• M9: 4,455,922 km (0.069 R)
• M10: 4,884,969 km (0.081 R)
• M11: 5,291,127 km (0.057 R)
• M12: 5,562,797 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 9.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.05 AU - 2.95 AU

Year: 2728 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,719,180 km

• M1: 119,379 km (0.113 R)
• M2: 490,831 km (0.051 R)
• M3: 984,354 km (0.094 R)
• M4: 1,438,084 km (0.071 R)
• M5: 1,811,481 km (0.073 R)
• M6: 2,487,813 km (0.098 R)
• M7: 3,061,221 km (0.098 R)
• M8: 4,038,694 km (0.119 R)
• M9: 5,959,530 km (0.082 R)
• M10: 6,829,292 km (0.053 R)
• M11: 8,098,182 km (0.105 R)
• M12: 8,574,352 km (0.109 R)
• M13: 9,681,376 km (0.053 R)
• M14: 10,115,958 km (0.107 R)
• M15: 10,881,001 km (0.118 R)
• M16: 13,656,042 km (0.107 R)
• M17: 13,990,991 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.6

Radius: 4.7

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.68 AU - 7.06 AU

Year: 12429 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,719,180 km

• M1: 58,493 km (0.106 R)
• M2: 211,681 km (0.082 R)
• M3: 400,623 km (0.076 R)
• M4: 597,943 km (0.069 R)
• M5: 1,419,983 km (0.088 R)
• M6: 1,689,558 km (0.095 R)
• M7: 1,957,189 km (0.104 R)
• M8: 2,662,992 km (0.052 R)
• M9: 3,025,916 km (0.111 R)
• M10: 4,223,896 km (0.071 R)
• M11: 4,977,720 km (0.031 R)
• M12: 7,376,671 km (0.055 R)
• M13: 10,180,434 km (0.113 R)
• M14: 10,342,150 km (0.073 R)
• M15: 12,297,992 km (0.12 R)
• M16: 12,917,178 km (0.099 R)
• M17: 13,106,868 km (0.087 R)
• M18: 13,298,503 km (0.118 R)
• M19: 16,923,259 km (0.061 R)
• M20: 17,226,793 km (0.042 R)
• M21: 18,717,686 km (0.092 R)
• M22: 19,953,962 km (0.045 R)
• M23: 20,463,343 km (0.108 R)
• M24: 21,507,985 km (0.064 R)
• M25: 22,771,189 km (0.118 R)
• M26: 23,608,938 km (0.108 R)
• M27: 24,466,881 km (0.112 R)
• M28: 28,854,886 km (0.113 R)
• M29: 31,290,339 km (0.119 R)
• M30: 31,632,619 km (0.039 R)
• M31: 36,945,139 km (0.056 R)
• M32: 40,079,214 km (0.054 R)
• M33: 43,811,532 km (0.12 R)
• M34: 44,815,633 km (0.116 R)
• M35: 46,129,102 km (0.074 R)
• M36: 46,424,408 km (0.117 R)
• M37: 48,374,865 km (0.116 R)
• M38: 49,911,834 km (0.061 R)
• M39: 55,881,836 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.4

Radius: 7.9

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.93 AU - 9.33 AU

Year: 16001 Days

Day: 20.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,719,180 km

• M1: 98,286 km (0.045 R)
• M2: 389,403 km (0.066 R)
• M3: 646,562 km (0.12 R)
• M4: 1,191,397 km (0.091 R)
• M5: 1,634,656 km (0.052 R)
• M6: 1,976,188 km (0.112 R)
• M7: 3,092,786 km (0.077 R)
• M8: 4,080,880 km (0.113 R)
• M9: 4,389,501 km (0.107 R)
• M10: 4,713,679 km (0.088 R)
• M11: 6,054,525 km (0.096 R)
• M12: 6,748,958 km (0.118 R)
• M13: 8,102,520 km (0.096 R)
• M14: 11,336,377 km (0.08 R)
• M15: 14,474,940 km (0.039 R)
• M16: 14,904,137 km (0.067 R)
• M17: 16,862,373 km (0.037 R)
• M18: 22,496,827 km (0.102 R)
• M19: 24,354,384 km (0.101 R)
• M20: 28,150,131 km (0.107 R)
• M21: 28,818,833 km (0.116 R)
• M22: 29,956,824 km (0.056 R)
• M23: 31,124,585 km (0.114 R)
• M24: 33,675,229 km (0.119 R)
• M25: 34,302,343 km (0.107 R)
• M26: 38,366,169 km (0.103 R)
• M27: 40,867,146 km (0.09 R)
• M28: 42,012,767 km (0.082 R)
• M29: 48,064,001 km (0.073 R)
• M30: 49,340,220 km (0.099 R)
• M31: 51,296,661 km (0.068 R)
• M32: 60,558,116 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.7

Radius: 6.9

Gravity: 20.96 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.57 AU - 10.65 AU

Year: 17439 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,719,180 km

• M1: 85,869 km (0.075 R)
• M2: 301,589 km (0.113 R)
• M3: 993,479 km (0.06 R)
• M4: 2,405,833 km (0.093 R)
• M5: 3,785,125 km (0.056 R)
• M6: 4,503,644 km (0.115 R)
• M7: 6,469,510 km (0.111 R)
• M8: 9,168,106 km (0.093 R)
• M9: 10,212,747 km (0.119 R)
• M10: 10,701,783 km (0.078 R)
• M11: 12,330,604 km (0.079 R)
• M12: 23,314,828 km (0.088 R)
• M13: 40,648,733 km (0.116 R)
• M14: 41,105,755 km (0.113 R)
• M15: 42,340,835 km (0.104 R)
• M16: 44,400,498 km (0.044 R)
• M17: 46,858,840 km (0.071 R)
• M18: 51,509,838 km (0.044 R)
• M19: 57,600,865 km (0.072 R)
• M20: 58,757,556 km (0.107 R)
• M21: 68,574,168 km (0.032 R)
• M22: 71,188,540 km (0.11 R)
• M23: 72,074,609 km (0.22 R)
• M24: 73,642,693 km (0.063 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit