🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 8.1

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.89 AU

Year: 421 Days

Day: 7 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,918,574 km

• M1: 100,679 km (0.114 R)
• M2: 450,738 km (0.111 R)
• M3: 770,279 km (0.103 R)
• M4: 1,146,668 km (0.109 R)
• M5: 1,750,744 km (0.044 R)
• M6: 2,053,979 km (0.107 R)
• M7: 2,727,468 km (0.083 R)
• M8: 3,352,039 km (0.102 R)
• M9: 3,698,359 km (0.044 R)
• M10: 3,951,029 km (0.09 R)
• M11: 4,838,594 km (0.1 R)
• M12: 5,172,646 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 12

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.9 AU - 3.64 AU

Year: 3760 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,918,574 km

• M1: 149,299 km (0.085 R)
• M2: 529,876 km (0.03 R)
• M3: 1,003,951 km (0.095 R)
• M4: 1,861,596 km (0.07 R)
• M5: 2,331,184 km (0.111 R)
• M6: 3,033,994 km (0.096 R)
• M7: 3,791,408 km (0.096 R)
• M8: 4,647,407 km (0.075 R)
• M9: 6,591,133 km (0.067 R)
• M10: 7,112,332 km (0.111 R)
• M11: 7,595,084 km (0.077 R)
• M12: 8,626,262 km (0.087 R)
• M13: 9,063,985 km (0.09 R)
• M14: 9,748,396 km (0.099 R)
• M15: 10,839,413 km (0.119 R)
• M16: 11,349,841 km (0.099 R)
• M17: 14,963,377 km (0.052 R)
• M18: 15,865,752 km (0.062 R)
• M19: 17,143,916 km (0.109 R)
• M20: 18,429,710 km (0.095 R)
• M21: 19,219,138 km (0.113 R)
• M22: 19,967,725 km (0.094 R)
• M23: 22,126,722 km (0.114 R)
• M24: 23,297,774 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.5

Radius: 11.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.04 AU - 3.62 AU

Year: 3864 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,918,574 km

• M1: 144,212 km (0.096 R)
• M2: 565,480 km (0.09 R)
• M3: 982,708 km (0.035 R)
• M4: 1,382,584 km (0.112 R)
• M5: 2,266,408 km (0.084 R)
• M6: 2,773,844 km (0.101 R)
• M7: 3,298,334 km (0.107 R)
• M8: 4,766,936 km (0.087 R)
• M9: 5,688,908 km (0.084 R)
• M10: 6,478,635 km (0.097 R)
• M11: 7,339,720 km (0.03 R)
• M12: 9,018,956 km (0.058 R)
• M13: 9,725,507 km (0.116 R)
• M14: 10,133,760 km (0.111 R)
• M15: 10,553,382 km (0.053 R)
• M16: 10,941,139 km (0.072 R)
• M17: 12,114,585 km (0.073 R)
• M18: 12,683,805 km (0.116 R)
• M19: 13,073,059 km (0.076 R)
• M20: 14,133,109 km (0.098 R)
• M21: 15,523,921 km (0.103 R)
• M22: 16,082,519 km (0.027 R)
• M23: 19,142,244 km (0.075 R)
• M24: 20,111,339 km (0.108 R)
• M25: 20,977,361 km (0.115 R)
• M26: 23,215,196 km (0.078 R)
• M27: 23,578,719 km (0.053 R)
• M28: 24,918,817 km (0.063 R)
• M29: 25,685,057 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 11.6

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.38 AU - 5.22 AU

Year: 5669 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,918,574 km

• M1: 145,559 km (0.041 R)
• M2: 681,568 km (0.103 R)
• M3: 1,686,267 km (0.081 R)
• M4: 2,409,274 km (0.064 R)
• M5: 3,799,337 km (0.109 R)
• M6: 5,452,992 km (0.104 R)
• M7: 7,769,665 km (0.089 R)
• M8: 9,145,666 km (0.081 R)
• M9: 12,063,273 km (0.12 R)
• M10: 19,024,511 km (0.112 R)
• M11: 20,166,990 km (0.118 R)
• M12: 20,681,008 km (0.053 R)
• M13: 22,667,069 km (0.116 R)
• M14: 25,197,667 km (0.102 R)
• M15: 26,662,529 km (0.107 R)
• M16: 28,918,914 km (0.096 R)
• M17: 31,202,077 km (0.111 R)
• M18: 32,088,444 km (0.117 R)
• M19: 33,808,371 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 14.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.9 AU - 5.08 AU

Year: 7087 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,918,574 km

• M1: 182,958 km (0.073 R)
• M2: 849,118 km (0.115 R)
• M3: 1,310,178 km (0.09 R)
• M4: 2,475,097 km (0.111 R)
• M5: 3,019,334 km (0.12 R)
• M6: 3,689,831 km (0.095 R)
• M7: 4,431,987 km (0.102 R)
• M8: 5,272,128 km (0.095 R)
• M9: 7,685,740 km (0.106 R)
• M10: 8,399,920 km (0.117 R)
• M11: 9,071,465 km (0.067 R)
• M12: 9,778,764 km (0.112 R)
• M13: 11,404,145 km (0.092 R)
• M14: 12,441,008 km (0.113 R)
• M15: 13,203,508 km (0.06 R)
• M16: 15,492,954 km (0.054 R)
• M17: 17,159,474 km (0.055 R)
• M18: 17,763,251 km (0.113 R)
• M19: 18,590,527 km (0.063 R)
• M20: 21,150,446 km (0.102 R)
• M21: 22,079,898 km (0.067 R)
• M22: 23,443,034 km (0.078 R)
• M23: 26,248,442 km (0.08 R)
• M24: 27,961,637 km (0.091 R)
• M25: 29,175,923 km (0.098 R)
• M26: 30,037,158 km (0.108 R)
• M27: 31,709,812 km (0.039 R)
• M28: 32,722,440 km (0.061 R)
• M29: 34,812,173 km (0.05 R)
• M30: 36,878,568 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.1

Radius: 13.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5 AU - 5.6 AU

Year: 7758 Days

Day: 14.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,918,574 km

• M1: 171,888 km (0.082 R)
• M2: 647,011 km (0.088 R)
• M3: 1,127,968 km (0.097 R)
• M4: 1,907,672 km (0.079 R)
• M5: 2,458,940 km (0.067 R)
• M6: 2,902,199 km (0.099 R)
• M7: 4,835,153 km (0.085 R)
• M8: 5,350,069 km (0.12 R)
• M9: 7,856,731 km (0.081 R)
• M10: 9,885,128 km (0.051 R)
• M11: 10,890,575 km (0.12 R)
• M12: 12,055,793 km (0.118 R)
• M13: 14,899,050 km (0.049 R)
• M14: 15,550,399 km (0.084 R)
• M15: 16,448,136 km (0.118 R)
• M16: 18,163,276 km (0.101 R)
• M17: 19,032,589 km (0.077 R)
• M18: 21,670,000 km (0.103 R)
• M19: 24,318,779 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.3

Radius: 7.6

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.88 AU - 9.98 AU

Year: 15562 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,918,574 km

• M1: 95,294 km (0.05 R)
• M2: 370,853 km (0.067 R)
• M3: 861,235 km (0.074 R)
• M4: 1,112,410 km (0.108 R)
• M5: 1,504,655 km (0.095 R)
• M6: 2,024,658 km (0.041 R)
• M7: 2,567,249 km (0.087 R)
• M8: 3,909,292 km (0.107 R)
• M9: 5,862,591 km (0.047 R)
• M10: 6,959,891 km (0.12 R)
• M11: 8,088,906 km (0.118 R)
• M12: 8,593,650 km (0.072 R)
• M13: 10,176,694 km (0.104 R)
• M14: 12,466,739 km (0.069 R)
• M15: 13,346,823 km (0.075 R)
• M16: 14,486,310 km (0.049 R)
• M17: 15,004,666 km (0.093 R)
• M18: 16,634,086 km (0.113 R)
• M19: 19,427,527 km (0.1 R)
• M20: 20,981,999 km (0.109 R)
• M21: 21,359,584 km (0.03 R)
• M22: 22,716,437 km (0.075 R)
• M23: 23,720,238 km (0.074 R)
• M24: 24,027,064 km (0.039 R)
• M25: 24,544,373 km (0.074 R)
• M26: 26,577,857 km (0.071 R)
• M27: 28,953,172 km (0.102 R)
• M28: 33,476,413 km (0.098 R)
• M29: 40,890,484 km (0.075 R)
• M30: 41,331,797 km (0.112 R)
• M31: 50,163,756 km (0.111 R)
• M32: 56,641,195 km (0.103 R)
• M33: 57,006,363 km (0.048 R)
• M34: 60,745,263 km (0.117 R)
• M35: 61,704,933 km (0.093 R)
• M36: 62,285,522 km (0.099 R)
• M37: 63,065,376 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.9

Radius: 4.4

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.72 AU - 11.22 AU

Year: 21540 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,918,574 km

• M1: 54,753 km (0.115 R)
• M2: 423,512 km (0.111 R)
• M3: 894,745 km (0.091 R)
• M4: 1,640,789 km (0.061 R)
• M5: 1,799,812 km (0.102 R)
• M6: 3,292,948 km (0.105 R)
• M7: 3,599,474 km (0.114 R)
• M8: 5,743,661 km (0.111 R)
• M9: 6,149,819 km (0.111 R)
• M10: 6,302,109 km (0.112 R)
• M11: 7,440,400 km (0.045 R)
• M12: 7,878,273 km (0.025 R)
• M13: 8,614,145 km (0.091 R)
• M14: 9,344,631 km (0.049 R)
• M15: 13,949,852 km (0.089 R)
• M16: 15,092,181 km (0.09 R)
• M17: 17,561,593 km (0.107 R)
• M18: 22,824,746 km (0.109 R)
• M19: 23,560,169 km (0.085 R)
• M20: 29,478,859 km (0.084 R)
• M21: 32,031,298 km (0.118 R)
• M22: 35,576,767 km (0.118 R)
• M23: 36,689,327 km (0.115 R)
• M24: 41,101,716 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.4

Radius: 4.1

Gravity: 34.05 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 8.93 AU - 13.85 AU

Year: 24441 Days

Day: 16.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,918,574 km

• M1: 51,162 km (0.116 R)
• M2: 207,043 km (0.043 R)
• M3: 386,262 km (0.07 R)
• M4: 1,269,787 km (0.115 R)
• M5: 1,489,845 km (0.114 R)
• M6: 1,790,986 km (0.114 R)
• M7: 2,993,005 km (0.112 R)
• M8: 3,621,615 km (0.078 R)
• M9: 3,807,266 km (0.11 R)
• M10: 5,134,947 km (0.116 R)
• M11: 6,116,459 km (0.099 R)
• M12: 12,101,720 km (0.058 R)
• M13: 14,274,778 km (0.112 R)
• M14: 14,582,800 km (0.064 R)
• M15: 15,372,378 km (0.11 R)
• M16: 17,470,488 km (0.054 R)
• M17: 18,000,962 km (0.045 R)
• M18: 20,327,359 km (0.106 R)
• M19: 22,223,960 km (0.096 R)
• M20: 23,162,238 km (0.093 R)
• M21: 26,364,830 km (0.091 R)
• M22: 30,863,238 km (0.047 R)
• M23: 30,991,443 km (0.066 R)
• M24: 36,416,161 km (0.119 R)
• M25: 52,123,339 km (0.105 R)
• M26: 62,151,632 km (0.109 R)
• M27: 70,020,779 km (0.103 R)
• M28: 78,767,019 km (0.117 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: 492 - 14,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit