🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 10

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.64 AU - 0.94 AU

Year: 446 Days

Day: 10.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,340,496 km

• M1: 124,615 km (0.087 R)
• M2: 447,148 km (0.106 R)
• M3: 847,771 km (0.114 R)
• M4: 1,495,680 km (0.103 R)
• M5: 2,421,391 km (0.075 R)
• M6: 2,791,047 km (0.076 R)
• M7: 3,357,126 km (0.096 R)
• M8: 3,748,623 km (0.09 R)
• M9: 4,478,063 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 8.2

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.84 AU - 0.86 AU

Year: 498 Days

Day: 5.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,340,496 km

• M1: 102,026 km (0.117 R)
• M2: 362,625 km (0.082 R)
• M3: 663,766 km (0.08 R)
• M4: 1,456,784 km (0.098 R)
• M5: 2,015,532 km (0.085 R)
• M6: 2,272,242 km (0.116 R)
• M7: 2,530,448 km (0.117 R)
• M8: 3,202,741 km (0.034 R)
• M9: 3,904,953 km (0.104 R)
• M10: 4,204,299 km (0.115 R)
• M11: 4,488,235 km (0.08 R)
• M12: 4,865,372 km (0.056 R)
• M13: 5,400,932 km (0.075 R)
• M14: 5,919,737 km (0.099 R)
• M15: 6,393,364 km (0.08 R)
• M16: 6,669,372 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 12.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.78 AU - 0.94 AU

Year: 507 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,340,496 km

• M1: 162,912 km (0.098 R)
• M2: 576,101 km (0.117 R)
• M3: 1,044,343 km (0.086 R)
• M4: 2,144,934 km (0.108 R)
• M5: 2,648,032 km (0.074 R)
• M6: 4,206,243 km (0.087 R)
• M7: 4,636,487 km (0.082 R)
• M8: 5,033,370 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.4

Radius: 13.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.87 AU - 0.97 AU

Year: 561 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,340,496 km

• M1: 167,849 km (0.097 R)
• M2: 586,274 km (0.105 R)
• M3: 1,122,283 km (0.026 R)
• M4: 1,751,941 km (0.107 R)
• M5: 2,282,864 km (0.099 R)
• M6: 2,738,838 km (0.085 R)
• M7: 3,505,228 km (0.113 R)
• M8: 4,129,649 km (0.118 R)

Asteroid Belt

Center: 2.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 8.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.65 AU - 3.57 AU

Year: 3487 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,340,496 km

• M1: 116,238 km (0.115 R)
• M2: 499,507 km (0.082 R)
• M3: 829,371 km (0.101 R)
• M4: 1,178,233 km (0.101 R)
• M5: 1,774,979 km (0.101 R)
• M6: 2,117,408 km (0.045 R)
• M7: 2,662,393 km (0.104 R)
• M8: 2,936,756 km (0.095 R)
• M9: 3,366,700 km (0.103 R)
• M10: 3,688,635 km (0.041 R)
• M11: 3,992,019 km (0.034 R)
• M12: 4,936,131 km (0.095 R)
• M13: 5,472,889 km (0.112 R)
• M14: 6,152,063 km (0.107 R)
• M15: 10,341,402 km (0.097 R)
• M16: 10,870,679 km (0.118 R)
• M17: 11,180,945 km (0.048 R)
• M18: 11,860,269 km (0.027 R)
• M19: 12,189,384 km (0.038 R)
• M20: 13,082,184 km (0.054 R)
• M21: 13,389,309 km (0.049 R)
• M22: 15,141,548 km (0.103 R)
• M23: 15,529,007 km (0.103 R)
• M24: 17,145,562 km (0.103 R)
• M25: 18,102,539 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 14.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.16 AU - 4.26 AU

Year: 4544 Days

Day: 11.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,340,496 km

• M1: 179,368 km (0.114 R)
• M2: 819,348 km (0.056 R)
• M3: 1,429,557 km (0.096 R)
• M4: 2,371,874 km (0.099 R)
• M5: 3,136,619 km (0.119 R)
• M6: 3,697,611 km (0.074 R)
• M7: 4,942,564 km (0.117 R)
• M8: 5,414,845 km (0.082 R)
• M9: 6,386,632 km (0.109 R)
• M10: 9,409,257 km (0.111 R)
• M11: 10,182,828 km (0.092 R)
• M12: 10,998,435 km (0.028 R)
• M13: 11,614,330 km (0.108 R)
• M14: 12,505,036 km (0.067 R)
• M15: 13,654,994 km (0.088 R)
• M16: 15,161,295 km (0.1 R)
• M17: 15,924,993 km (0.047 R)
• M18: 17,914,345 km (0.064 R)
• M19: 18,568,686 km (0.059 R)
• M20: 21,347,167 km (0.108 R)
• M21: 23,141,444 km (0.089 R)
• M22: 25,770,028 km (0.05 R)
• M23: 26,604,485 km (0.117 R)
• M24: 27,113,716 km (0.104 R)
• M25: 28,503,630 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821

Radius: 6.3

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.91 AU - 9.13 AU

Year: 14441 Days

Day: 18 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,340,496 km

• M1: 78,389 km (0.03 R)
• M2: 284,685 km (0.076 R)
• M3: 510,129 km (0.117 R)
• M4: 999,164 km (0.117 R)
• M5: 1,233,584 km (0.036 R)
• M6: 1,614,311 km (0.08 R)
• M7: 3,587,507 km (0.1 R)
• M8: 4,556,302 km (0.099 R)
• M9: 5,500,415 km (0.088 R)
• M10: 6,780,972 km (0.111 R)
• M11: 7,129,835 km (0.11 R)
• M12: 8,952,834 km (0.102 R)
• M13: 9,372,905 km (0.083 R)
• M14: 11,185,582 km (0.119 R)
• M15: 12,301,583 km (0.081 R)
• M16: 13,019,203 km (0.12 R)
• M17: 13,422,220 km (0.07 R)
• M18: 14,112,166 km (0.108 R)
• M19: 14,681,086 km (0.094 R)
• M20: 17,512,525 km (0.094 R)
• M21: 18,757,479 km (0.118 R)
• M22: 20,870,100 km (0.113 R)
• M23: 22,078,402 km (0.116 R)
• M24: 23,234,344 km (0.115 R)
• M25: 23,529,501 km (0.039 R)
• M26: 24,027,064 km (0.078 R)
• M27: 24,430,080 km (0.08 R)
• M28: 27,160,690 km (0.035 R)
• M29: 28,040,176 km (0.111 R)
• M30: 29,971,784 km (0.095 R)
• M31: 39,001,362 km (0.081 R)
• M32: 39,979,133 km (0.076 R)
• M33: 41,692,927 km (0.101 R)
• M34: 44,203,927 km (0.075 R)
• M35: 44,961,191 km (0.049 R)
• M36: 46,813,961 km (0.112 R)
• M37: 47,127,668 km (0.057 R)
• M38: 51,667,365 km (0.117 R)
• M39: 54,734,570 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.6

Radius: 3.1

Gravity: 32.32 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.59 AU - 8.55 AU

Year: 14576 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,340,496 km

• M1: 39,195 km (0.119 R)
• M2: 147,354 km (0.098 R)
• M3: 270,922 km (0.054 R)
• M4: 452,085 km (0.059 R)
• M5: 606,619 km (0.093 R)
• M6: 795,561 km (0.118 R)
• M7: 980,016 km (0.117 R)
• M8: 1,489,097 km (0.064 R)
• M9: 1,964,070 km (0.077 R)
• M10: 2,866,146 km (0.039 R)
• M11: 3,543,076 km (0.063 R)
• M12: 4,095,391 km (0.088 R)
• M13: 4,291,664 km (0.086 R)
• M14: 4,856,096 km (0.111 R)
• M15: 5,172,346 km (0.046 R)
• M16: 5,845,537 km (0.089 R)
• M17: 9,508,441 km (0.058 R)
• M18: 10,153,955 km (0.097 R)
• M19: 10,987,814 km (0.09 R)
• M20: 11,149,081 km (0.115 R)
• M21: 12,380,421 km (0.108 R)
• M22: 12,790,468 km (0.043 R)
• M23: 15,577,626 km (0.106 R)
• M24: 17,474,078 km (0.115 R)
• M25: 20,967,338 km (0.111 R)
• M26: 23,007,853 km (0.064 R)
• M27: 24,990,923 km (0.098 R)
• M28: 25,551,017 km (0.056 R)
• M29: 27,676,055 km (0.073 R)
• M30: 28,578,280 km (0.108 R)
• M31: 33,385,009 km (0.06 R)
• M32: 41,757,702 km (0.105 R)
• M33: 42,545,634 km (0.07 R)
• M34: 45,106,152 km (0.065 R)
• M35: 45,381,561 km (0.044 R)
• M36: 45,796,695 km (0.055 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 12,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit