🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.5

Radius: 13.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,661,320 km

• M1: 165,754 km (0.037 R)
• M2: 588,668 km (0.1 R)
• M3: 1,187,508 km (0.075 R)
• M4: 1,606,532 km (0.114 R)
• M5: 2,383,393 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.4

Radius: 13.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.59 AU - 0.69 AU

Year: 341 Days

Day: 12.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,661,320 km

• M1: 166,652 km (0.12 R)
• M2: 681,568 km (0.101 R)
• M3: 1,117,646 km (0.106 R)
• M4: 1,596,957 km (0.11 R)
• M5: 2,245,314 km (0.066 R)
• M6: 2,800,622 km (0.091 R)
• M7: 3,447,034 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 10

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.71 AU - 1.11 AU

Year: 579 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,661,320 km

• M1: 124,316 km (0.062 R)
• M2: 463,155 km (0.09 R)
• M3: 827,875 km (0.036 R)
• M4: 1,142,180 km (0.08 R)
• M5: 1,459,327 km (0.112 R)
• M6: 1,852,919 km (0.103 R)
• M7: 2,172,909 km (0.096 R)
• M8: 2,530,149 km (0.118 R)
• M9: 2,903,545 km (0.034 R)
• M10: 3,339,174 km (0.101 R)
• M11: 4,542,988 km (0.108 R)
• M12: 5,013,623 km (0.094 R)
• M13: 5,516,721 km (0.117 R)
• M14: 6,015,031 km (0.091 R)
• M15: 6,849,638 km (0.108 R)
• M16: 7,187,280 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 10.5

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.8 AU - 1.24 AU

Year: 687 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,661,320 km

• M1: 130,599 km (0.091 R)
• M2: 510,278 km (0.086 R)
• M3: 884,572 km (0.12 R)
• M4: 1,234,631 km (0.116 R)
• M5: 1,568,085 km (0.098 R)
• M6: 2,112,023 km (0.106 R)
• M7: 2,872,429 km (0.111 R)
• M8: 3,244,628 km (0.099 R)
• M9: 3,762,686 km (0.051 R)
• M10: 4,287,924 km (0.097 R)
• M11: 4,642,770 km (0.117 R)
• M12: 5,788,390 km (0.066 R)
• M13: 6,263,513 km (0.106 R)
• M14: 6,828,844 km (0.072 R)
• M15: 8,355,041 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 13.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.57 AU - 2.19 AU

Year: 1719 Days

Day: 5.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,661,320 km

• M1: 171,738 km (0.089 R)
• M2: 613,950 km (0.097 R)
• M3: 1,320,201 km (0.081 R)
• M4: 2,190,412 km (0.051 R)
• M5: 2,690,966 km (0.11 R)
• M6: 3,124,052 km (0.078 R)
• M7: 3,727,381 km (0.071 R)
• M8: 5,822,200 km (0.114 R)
• M9: 7,813,497 km (0.086 R)
• M10: 8,706,297 km (0.089 R)
• M11: 10,954,154 km (0.12 R)
• M12: 12,152,583 km (0.107 R)
• M13: 14,045,445 km (0.064 R)
• M14: 14,947,071 km (0.088 R)
• M15: 16,176,467 km (0.077 R)
• M16: 16,666,848 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.7

Radius: 14.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.55 AU - 2.57 AU

Year: 1972 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,661,320 km

• M1: 180,415 km (0.085 R)
• M2: 733,478 km (0.101 R)
• M3: 1,387,520 km (0.031 R)
• M4: 1,947,615 km (0.081 R)
• M5: 2,489,757 km (0.051 R)
• M6: 2,973,706 km (0.066 R)
• M7: 3,627,599 km (0.092 R)
• M8: 4,479,559 km (0.067 R)
• M9: 5,557,411 km (0.061 R)
• M10: 6,913,366 km (0.059 R)
• M11: 7,943,797 km (0.114 R)
• M12: 8,707,942 km (0.047 R)
• M13: 9,590,719 km (0.1 R)
• M14: 10,420,539 km (0.091 R)
• M15: 11,219,541 km (0.095 R)
• M16: 11,694,365 km (0.04 R)
• M17: 13,640,184 km (0.104 R)
• M18: 14,365,136 km (0.086 R)
• M19: 15,941,598 km (0.11 R)
• M20: 17,790,029 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.1

Radius: 10.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.02 AU - 4.4 AU

Year: 5760 Days

Day: 11.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,661,320 km

• M1: 132,693 km (0.106 R)
• M2: 632,051 km (0.101 R)
• M3: 1,001,558 km (0.086 R)
• M4: 1,357,750 km (0.093 R)
• M5: 2,056,073 km (0.119 R)
• M6: 2,403,290 km (0.054 R)
• M7: 2,753,050 km (0.06 R)
• M8: 3,197,654 km (0.034 R)
• M9: 3,600,671 km (0.103 R)
• M10: 3,990,074 km (0.077 R)
• M11: 4,854,002 km (0.067 R)
• M12: 5,776,722 km (0.072 R)
• M13: 6,915,610 km (0.092 R)
• M14: 8,433,131 km (0.112 R)
• M15: 11,133,074 km (0.115 R)
• M16: 12,369,051 km (0.078 R)
• M17: 12,888,156 km (0.115 R)
• M18: 13,421,921 km (0.09 R)
• M19: 16,314,396 km (0.092 R)
• M20: 21,101,228 km (0.081 R)
• M21: 26,152,401 km (0.102 R)
• M22: 26,749,595 km (0.1 R)
• M23: 28,416,415 km (0.119 R)
• M24: 30,337,999 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.6

Radius: 5.8

Gravity: 27.04 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.56 AU - 7.48 AU

Year: 11102 Days

Day: 20.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,661,320 km

• M1: 73,303 km (0.113 R)
• M2: 465,249 km (0.115 R)
• M3: 758,611 km (0.079 R)
• M4: 1,063,641 km (0.115 R)
• M5: 1,955,693 km (0.039 R)
• M6: 2,155,406 km (0.107 R)
• M7: 2,368,733 km (0.115 R)
• M8: 3,418,611 km (0.118 R)
• M9: 4,780,250 km (0.11 R)
• M10: 6,156,551 km (0.117 R)
• M11: 6,790,995 km (0.088 R)
• M12: 8,050,460 km (0.114 R)
• M13: 9,054,561 km (0.037 R)
• M14: 9,716,531 km (0.094 R)
• M15: 12,689,340 km (0.09 R)
• M16: 13,582,739 km (0.067 R)
• M17: 14,381,143 km (0.088 R)
• M18: 15,210,513 km (0.1 R)
• M19: 16,737,758 km (0.096 R)
• M20: 17,192,236 km (0.099 R)
• M21: 19,092,877 km (0.106 R)
• M22: 20,263,929 km (0.1 R)
• M23: 23,025,955 km (0.12 R)
• M24: 24,351,691 km (0.082 R)
• M25: 29,501,897 km (0.087 R)
• M26: 30,388,115 km (0.065 R)
• M27: 38,256,215 km (0.118 R)
• M28: 39,575,817 km (0.059 R)
• M29: 39,843,448 km (0.099 R)
• M30: 43,148,364 km (0.104 R)
• M31: 45,890,942 km (0.099 R)
• M32: 47,833,022 km (0.111 R)
• M33: 48,747,513 km (0.119 R)
• M34: 49,673,674 km (0.056 R)
• M35: 50,141,167 km (0.07 R)
• M36: 56,149,915 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.3

Radius: 3.3

Gravity: 74.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.11 AU - 12.41 AU

Year: 23537 Days

Day: 23.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 89,661,320 km

• M1: 41,439 km (0.031 R)
• M2: 147,803 km (0.116 R)
• M3: 251,923 km (0.11 R)
• M4: 705,504 km (0.066 R)
• M5: 847,472 km (0.081 R)
• M6: 1,766,152 km (0.077 R)
• M7: 2,093,921 km (0.097 R)
• M8: 3,005,272 km (0.038 R)
• M9: 3,203,489 km (0.093 R)
• M10: 3,721,247 km (0.047 R)
• M11: 4,257,256 km (0.095 R)
• M12: 4,691,838 km (0.065 R)
• M13: 5,691,152 km (0.101 R)
• M14: 6,872,377 km (0.077 R)
• M15: 7,316,682 km (0.084 R)
• M16: 8,317,043 km (0.036 R)
• M17: 8,482,947 km (0.115 R)
• M18: 17,527,036 km (0.072 R)
• M19: 18,353,714 km (0.064 R)
• M20: 21,193,979 km (0.065 R)
• M21: 21,503,647 km (0.072 R)
• M22: 21,607,468 km (0.065 R)
• M23: 24,313,843 km (0.106 R)
• M24: 24,426,490 km (0.076 R)
• M25: 24,766,825 km (0.116 R)
• M26: 26,277,764 km (0.115 R)
• M27: 26,635,003 km (0.093 R)
• M28: 28,846,658 km (0.116 R)
• M29: 32,388,986 km (0.111 R)
• M30: 36,504,723 km (0.114 R)
• M31: 37,098,477 km (0.105 R)
• M32: 37,547,869 km (0.095 R)
• M33: 39,072,421 km (0.115 R)
• M34: 46,618,287 km (0.079 R)
• M35: 47,317,059 km (0.059 R)
• M36: 47,668,913 km (0.095 R)
• M37: 56,056,117 km (0.074 R)
• M38: 56,450,158 km (0.106 R)
• M39: 57,443,189 km (0.065 R)
• M40: 61,323,159 km (0.069 R)
• M41: 68,246,399 km (0.114 R)
• M42: 68,920,936 km (0.066 R)
• M43: 69,373,170 km (0.08 R)
• M44: 70,055,037 km (0.113 R)
• M45: 76,153,544 km (0.159 R)
• M46: 77,853,873 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit