🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 8.9

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.85 AU - 3.21 AU

Year: 2427 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,105,979 km

• M1: 110,702 km (0.072 R)
• M2: 452,234 km (0.113 R)
• M3: 1,032,375 km (0.116 R)
• M4: 1,361,191 km (0.112 R)
• M5: 2,142,242 km (0.091 R)
• M6: 2,875,869 km (0.107 R)
• M7: 4,027,324 km (0.07 R)
• M8: 4,695,578 km (0.061 R)
• M9: 5,020,804 km (0.071 R)
• M10: 5,460,921 km (0.091 R)
• M11: 6,169,416 km (0.102 R)
• M12: 6,674,758 km (0.067 R)
• M13: 9,118,888 km (0.105 R)
• M14: 10,229,802 km (0.082 R)
• M15: 11,387,091 km (0.078 R)
• M16: 14,488,255 km (0.114 R)
• M17: 15,129,730 km (0.085 R)
• M18: 15,893,128 km (0.087 R)
• M19: 17,059,244 km (0.082 R)
• M20: 17,886,221 km (0.111 R)
• M21: 18,395,153 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.8

Radius: 11.3

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.04 AU - 3.62 AU

Year: 2796 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,105,979 km

• M1: 140,472 km (0.085 R)
• M2: 515,664 km (0.06 R)
• M3: 901,028 km (0.071 R)
• M4: 1,639,593 km (0.042 R)
• M5: 2,120,101 km (0.087 R)
• M6: 3,216,055 km (0.101 R)
• M7: 4,484,047 km (0.078 R)
• M8: 4,892,898 km (0.075 R)
• M9: 5,433,544 km (0.106 R)
• M10: 6,013,685 km (0.115 R)
• M11: 6,585,597 km (0.11 R)
• M12: 7,089,593 km (0.066 R)
• M13: 7,457,454 km (0.111 R)
• M14: 10,741,576 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.7

Radius: 12.2

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.97 AU - 4.11 AU

Year: 3737 Days

Day: 10.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,105,979 km

• M1: 151,692 km (0.049 R)
• M2: 806,033 km (0.095 R)
• M3: 2,409,573 km (0.096 R)
• M4: 3,112,384 km (0.068 R)
• M5: 4,833,956 km (0.103 R)
• M6: 7,550,205 km (0.088 R)
• M7: 8,464,547 km (0.11 R)
• M8: 9,784,150 km (0.116 R)
• M9: 10,670,966 km (0.104 R)
• M10: 11,154,616 km (0.032 R)
• M11: 16,507,227 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 11.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.82 AU - 8.94 AU

Year: 10179 Days

Day: 13.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,105,979 km

• M1: 148,102 km (0.059 R)
• M2: 895,343 km (0.096 R)
• M3: 1,397,543 km (0.102 R)
• M4: 1,807,142 km (0.076 R)
• M5: 2,525,062 km (0.094 R)
• M6: 2,932,268 km (0.056 R)
• M7: 3,404,100 km (0.115 R)
• M8: 4,255,461 km (0.088 R)
• M9: 5,470,196 km (0.086 R)
• M10: 5,882,487 km (0.091 R)
• M11: 9,336,553 km (0.12 R)
• M12: 10,860,357 km (0.069 R)
• M13: 12,900,273 km (0.076 R)
• M14: 14,729,706 km (0.027 R)
• M15: 15,126,888 km (0.118 R)
• M16: 15,531,251 km (0.12 R)
• M17: 20,188,981 km (0.081 R)
• M18: 22,948,014 km (0.12 R)
• M19: 23,636,464 km (0.081 R)
• M20: 27,974,203 km (0.071 R)
• M21: 28,936,567 km (0.087 R)
• M22: 30,102,383 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.4

Radius: 4.1

Gravity: 49.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.52 AU - 11.9 AU

Year: 15013 Days

Day: 23.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 89,105,979 km

• M1: 51,013 km (0.035 R)
• M2: 235,317 km (0.052 R)
• M3: 504,444 km (0.067 R)
• M4: 776,114 km (0.118 R)
• M5: 933,940 km (0.075 R)
• M6: 1,164,769 km (0.07 R)
• M7: 1,358,498 km (0.052 R)
• M8: 1,901,239 km (0.082 R)
• M9: 2,955,755 km (0.109 R)
• M10: 3,185,088 km (0.03 R)
• M11: 3,371,487 km (0.04 R)
• M12: 3,621,764 km (0.086 R)
• M13: 4,222,400 km (0.074 R)
• M14: 4,382,470 km (0.105 R)
• M15: 5,656,894 km (0.095 R)
• M16: 6,378,404 km (0.037 R)
• M17: 7,857,479 km (0.046 R)
• M18: 8,397,377 km (0.119 R)
• M19: 11,847,703 km (0.076 R)
• M20: 12,425,599 km (0.072 R)
• M21: 14,560,361 km (0.111 R)
• M22: 16,529,518 km (0.095 R)
• M23: 17,331,961 km (0.083 R)
• M24: 17,577,600 km (0.082 R)
• M25: 18,413,404 km (0.075 R)
• M26: 22,214,087 km (0.11 R)
• M27: 23,890,481 km (0.06 R)
• M28: 28,731,169 km (0.114 R)
• M29: 31,077,611 km (0.093 R)
• M30: 31,319,062 km (0.105 R)
• M31: 32,174,014 km (0.102 R)
• M32: 34,058,199 km (0.096 R)
• M33: 35,617,607 km (0.116 R)
• M34: 37,223,840 km (0.069 R)
• M35: 39,298,762 km (0.078 R)
• M36: 41,742,144 km (0.094 R)
• M37: 41,888,900 km (0.096 R)
• M38: 49,676,067 km (0.052 R)
• M39: 49,841,074 km (0.09 R)
• M40: 56,739,032 km (0.112 R)
• M41: 63,661,823 km (0.057 R)
• M42: 65,823,512 km (0.087 R)
• M43: 66,621,467 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.4

Radius: 3

Gravity: 79.38 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.4 AU - 13.34 AU

Year: 16492 Days

Day: 22.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 89,105,979 km

• M1: 207,941 km (0.104 R)
• M2: 382,372 km (0.038 R)
• M3: 517,309 km (0.029 R)
• M4: 820,096 km (0.098 R)
• M5: 1,084,285 km (0.119 R)
• M6: 1,494,333 km (0.102 R)
• M7: 1,961,378 km (0.037 R)
• M8: 2,773,844 km (0.1 R)
• M9: 3,122,856 km (0.064 R)
• M10: 5,279,907 km (0.111 R)
• M11: 5,429,056 km (0.077 R)
• M12: 6,299,716 km (0.091 R)
• M13: 7,678,560 km (0.073 R)
• M14: 8,064,522 km (0.115 R)
• M15: 8,412,786 km (0.044 R)
• M16: 9,246,196 km (0.117 R)
• M17: 10,019,467 km (0.074 R)
• M18: 10,133,311 km (0.098 R)
• M19: 10,421,736 km (0.088 R)
• M20: 11,197,251 km (0.08 R)
• M21: 12,203,596 km (0.119 R)
• M22: 12,929,445 km (0.098 R)
• M23: 13,337,249 km (0.117 R)
• M24: 15,505,670 km (0.059 R)
• M25: 19,622,454 km (0.095 R)
• M26: 21,172,736 km (0.103 R)
• M27: 24,104,256 km (0.04 R)
• M28: 24,929,288 km (0.065 R)
• M29: 26,094,357 km (0.068 R)
• M30: 26,963,969 km (0.11 R)
• M31: 27,074,073 km (0.111 R)
• M32: 28,875,979 km (0.109 R)
• M33: 29,455,073 km (0.051 R)
• M34: 30,636,298 km (0.111 R)
• M35: 30,756,125 km (0.098 R)
• M36: 31,603,747 km (0.07 R)
• M37: 32,841,520 km (0.119 R)
• M38: 33,219,105 km (0.101 R)
• M39: 37,427,891 km (0.084 R)
• M40: 41,683,801 km (0.101 R)
• M41: 44,847,347 km (0.078 R)
• M42: 45,311,998 km (0.037 R)
• M43: 50,302,434 km (0.101 R)
• M44: 60,977,438 km (0.099 R)
• M45: 63,473,629 km (0.088 R)
• M46: 64,255,128 km (0.066 R)
• M47: 67,445,452 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.3

Radius: 5.8

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 11.81 AU - 12.05 AU

Year: 18962 Days

Day: 21.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,105,979 km

• M1: 72,106 km (0.097 R)
• M2: 447,148 km (0.099 R)
• M3: 737,518 km (0.096 R)
• M4: 1,033,272 km (0.106 R)
• M5: 1,230,143 km (0.079 R)
• M6: 2,037,373 km (0.089 R)
• M7: 2,306,799 km (0.093 R)
• M8: 2,623,498 km (0.061 R)
• M9: 3,233,558 km (0.063 R)
• M10: 4,286,428 km (0.07 R)
• M11: 4,625,267 km (0.045 R)
• M12: 8,682,960 km (0.071 R)
• M13: 9,170,200 km (0.047 R)
• M14: 11,949,728 km (0.114 R)
• M15: 16,848,610 km (0.074 R)
• M16: 20,294,597 km (0.113 R)
• M17: 26,468,800 km (0.087 R)
• M18: 28,421,950 km (0.064 R)
• M19: 29,133,737 km (0.098 R)
• M20: 30,964,814 km (0.084 R)
• M21: 33,787,128 km (0.076 R)
• M22: 34,318,051 km (0.073 R)
• M23: 37,197,062 km (0.089 R)
• M24: 37,479,353 km (0.103 R)
• M25: 39,203,319 km (0.107 R)
• M26: 43,118,744 km (0.056 R)
• M27: 45,492,114 km (0.12 R)
• M28: 47,452,445 km (0.049 R)
• M29: 52,598,163 km (0.107 R)
• M30: 55,305,136 km (0.042 R)
• M31: 61,979,744 km (0.081 R)
• M32: 68,322,844 km (0.103 R)
• M33: 70,027,212 km (0.037 R)
• M34: 71,106,860 km (0.099 R)
• M35: 73,299,067 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.6

Radius: 3.8

Gravity: 62.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 10.39 AU - 15.99 AU

Year: 22044 Days

Day: 18.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,105,979 km

• M1: 47,423 km (0.102 R)
• M2: 186,249 km (0.106 R)
• M3: 447,298 km (0.072 R)
• M4: 1,309,430 km (0.073 R)
• M5: 1,558,959 km (0.058 R)
• M6: 2,500,229 km (0.082 R)
• M7: 3,020,531 km (0.084 R)
• M8: 3,516,896 km (0.114 R)
• M9: 4,167,797 km (0.032 R)
• M10: 4,895,590 km (0.106 R)
• M11: 7,078,822 km (0.083 R)
• M12: 8,436,273 km (0.084 R)
• M13: 14,070,727 km (0.108 R)
• M14: 14,227,206 km (0.097 R)
• M15: 21,375,292 km (0.072 R)
• M16: 22,422,327 km (0.027 R)
• M17: 24,056,235 km (0.12 R)
• M18: 31,120,995 km (0.096 R)
• M19: 31,519,972 km (0.055 R)
• M20: 31,787,902 km (0.055 R)
• M21: 33,426,896 km (0.051 R)
• M22: 39,296,369 km (0.118 R)
• M23: 58,088,105 km (0.082 R)
• M24: 60,945,425 km (0.093 R)
• M25: 78,840,771 km (0.074 R)
• M26: 87,248,769 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 17,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit