🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.46 AU - 0.6 AU

Year: 245 Days

Day: 30 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,721,128 km

• M1: 33,959 km (0.097 R)
• M2: 131,197 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.9

Radius: 8.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.58 AU - 0.9 AU

Year: 405 Days

Day: 14.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,721,128 km

• M1: 104,419 km (0.102 R)
• M2: 386,112 km (0.055 R)
• M3: 788,979 km (0.103 R)
• M4: 1,301,053 km (0.115 R)
• M5: 1,837,660 km (0.058 R)
• M6: 2,714,453 km (0.04 R)
• M7: 3,039,230 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 12.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.43 AU - 1.83 AU

Year: 1323 Days

Day: 8.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,721,128 km

• M1: 157,377 km (0.075 R)
• M2: 653,144 km (0.044 R)
• M3: 1,119,590 km (0.091 R)
• M4: 2,608,688 km (0.079 R)
• M5: 3,240,739 km (0.1 R)
• M6: 5,767,746 km (0.098 R)
• M7: 6,290,740 km (0.026 R)
• M8: 6,944,782 km (0.114 R)
• M9: 7,484,531 km (0.085 R)
• M10: 7,914,326 km (0.109 R)
• M11: 8,912,742 km (0.026 R)
• M12: 9,365,425 km (0.098 R)
• M13: 9,897,246 km (0.094 R)
• M14: 10,548,595 km (0.107 R)
• M15: 12,600,180 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.7

Radius: 11

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.04 AU - 2.98 AU

Year: 2528 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,721,128 km

• M1: 137,032 km (0.092 R)
• M2: 487,091 km (0.094 R)
• M3: 1,099,844 km (0.076 R)
• M4: 1,497,774 km (0.111 R)
• M5: 2,017,626 km (0.119 R)
• M6: 2,376,961 km (0.11 R)
• M7: 2,939,748 km (0.095 R)
• M8: 3,368,944 km (0.044 R)
• M9: 4,205,795 km (0.114 R)
• M10: 5,547,538 km (0.059 R)
• M11: 5,936,941 km (0.111 R)
• M12: 6,684,182 km (0.04 R)
• M13: 7,461,942 km (0.104 R)
• M14: 8,774,962 km (0.09 R)
• M15: 9,269,234 km (0.11 R)
• M16: 9,969,501 km (0.077 R)
• M17: 11,351,486 km (0.08 R)
• M18: 11,896,172 km (0.082 R)
• M19: 12,678,868 km (0.051 R)
• M20: 15,588,547 km (0.082 R)
• M21: 18,974,695 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 8.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.38 AU - 6.08 AU

Year: 7605 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,721,128 km

• M1: 108,309 km (0.084 R)
• M2: 390,600 km (0.103 R)
• M3: 699,669 km (0.112 R)
• M4: 1,260,661 km (0.096 R)
• M5: 1,673,252 km (0.038 R)
• M6: 1,962,574 km (0.069 R)
• M7: 2,269,250 km (0.069 R)
• M8: 2,572,784 km (0.112 R)
• M9: 3,673,376 km (0.109 R)
• M10: 4,316,497 km (0.104 R)
• M11: 5,032,772 km (0.107 R)
• M12: 5,375,500 km (0.026 R)
• M13: 6,333,824 km (0.116 R)
• M14: 6,700,040 km (0.099 R)
• M15: 7,511,309 km (0.086 R)
• M16: 7,921,806 km (0.098 R)
• M17: 10,068,535 km (0.054 R)
• M18: 10,894,315 km (0.031 R)
• M19: 11,372,281 km (0.071 R)
• M20: 15,473,357 km (0.053 R)
• M21: 16,447,388 km (0.093 R)
• M22: 17,984,207 km (0.068 R)
• M23: 19,405,537 km (0.118 R)
• M24: 19,966,080 km (0.111 R)
• M25: 21,788,032 km (0.089 R)
• M26: 22,932,755 km (0.036 R)
• M27: 26,779,515 km (0.047 R)
• M28: 27,212,451 km (0.076 R)
• M29: 31,417,647 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.4

Radius: 8.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.04 AU - 6.86 AU

Year: 9228 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,721,128 km

• M1: 111,899 km (0.108 R)
• M2: 423,212 km (0.063 R)
• M3: 777,011 km (0.117 R)
• M4: 1,896,602 km (0.107 R)
• M5: 2,360,056 km (0.106 R)
• M6: 2,691,415 km (0.073 R)
• M7: 5,062,691 km (0.044 R)
• M8: 11,605,354 km (0.085 R)
• M9: 13,366,121 km (0.091 R)
• M10: 21,896,790 km (0.095 R)
• M11: 27,100,103 km (0.084 R)
• M12: 27,803,512 km (0.091 R)
• M13: 28,159,705 km (0.028 R)
• M14: 29,707,744 km (0.099 R)
• M15: 32,183,738 km (0.093 R)

Asteroid Belt

Center: 6.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.8

Radius: 4.3

Gravity: 46.55 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.66 AU - 8.12 AU

Year: 12773 Days

Day: 18.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,721,128 km

• M1: 54,603 km (0.051 R)
• M2: 227,688 km (0.049 R)
• M3: 641,476 km (0.108 R)
• M4: 1,110,465 km (0.055 R)
• M5: 1,537,268 km (0.098 R)
• M6: 1,712,596 km (0.084 R)
• M7: 3,110,289 km (0.12 R)
• M8: 3,418,311 km (0.119 R)
• M9: 4,890,654 km (0.118 R)
• M10: 5,165,764 km (0.08 R)
• M11: 5,898,494 km (0.1 R)
• M12: 7,612,886 km (0.09 R)
• M13: 8,657,528 km (0.077 R)
• M14: 9,008,933 km (0.11 R)
• M15: 11,026,709 km (0.112 R)
• M16: 11,261,429 km (0.057 R)
• M17: 12,109,200 km (0.068 R)
• M18: 14,483,318 km (0.116 R)
• M19: 14,623,641 km (0.107 R)
• M20: 15,853,186 km (0.051 R)
• M21: 16,607,907 km (0.107 R)
• M22: 19,523,121 km (0.117 R)
• M23: 21,011,171 km (0.094 R)
• M24: 23,142,491 km (0.117 R)
• M25: 23,334,276 km (0.055 R)
• M26: 23,527,257 km (0.116 R)
• M27: 24,210,919 km (0.106 R)
• M28: 34,340,490 km (0.062 R)
• M29: 38,886,321 km (0.091 R)
• M30: 40,255,141 km (0.05 R)
• M31: 40,532,645 km (0.056 R)
• M32: 41,514,157 km (0.046 R)
• M33: 43,378,895 km (0.096 R)
• M34: 48,518,479 km (0.106 R)
• M35: 49,624,755 km (0.088 R)
• M36: 51,887,423 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.9

Radius: 5.9

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.28 AU - 10.34 AU

Year: 16626 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,721,128 km

• M1: 73,602 km (0.115 R)
• M2: 405,261 km (0.118 R)
• M3: 1,935,796 km (0.096 R)
• M4: 2,401,046 km (0.116 R)
• M5: 2,705,178 km (0.095 R)
• M6: 2,962,038 km (0.063 R)
• M7: 4,035,851 km (0.066 R)
• M8: 8,431,934 km (0.12 R)
• M9: 9,343,135 km (0.105 R)
• M10: 10,262,115 km (0.076 R)
• M11: 10,772,543 km (0.068 R)
• M12: 17,631,455 km (0.095 R)
• M13: 19,030,046 km (0.046 R)
• M14: 28,338,624 km (0.111 R)
• M15: 29,908,653 km (0.118 R)
• M16: 42,121,674 km (0.066 R)
• M17: 43,134,302 km (0.067 R)
• M18: 44,162,937 km (0.088 R)
• M19: 51,006,441 km (0.062 R)
• M20: 55,021,349 km (0.067 R)
• M21: 56,230,848 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.4

Radius: 3.7

Gravity: 52.62 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.84 AU - 10.86 AU

Year: 18178 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 78,721,128 km

• M1: 112,198 km (0.063 R)
• M2: 232,625 km (0.112 R)
• M3: 559,646 km (0.083 R)
• M4: 1,087,128 km (0.09 R)
• M5: 1,277,715 km (0.061 R)
• M6: 1,396,347 km (0.104 R)
• M7: 1,621,791 km (0.087 R)
• M8: 2,948,424 km (0.096 R)
• M9: 4,058,889 km (0.055 R)
• M10: 4,586,072 km (0.095 R)
• M11: 4,937,777 km (0.091 R)
• M12: 5,157,387 km (0.054 R)
• M13: 5,936,492 km (0.104 R)
• M14: 7,154,668 km (0.05 R)
• M15: 7,341,366 km (0.065 R)
• M16: 9,390,558 km (0.101 R)
• M17: 9,956,785 km (0.099 R)
• M18: 10,485,464 km (0.115 R)
• M19: 10,605,591 km (0.103 R)
• M20: 10,971,059 km (0.056 R)
• M21: 11,094,627 km (0.087 R)
• M22: 11,534,893 km (0.105 R)
• M23: 11,856,379 km (0.045 R)
• M24: 14,129,818 km (0.115 R)
• M25: 19,606,746 km (0.064 R)
• M26: 25,040,290 km (0.047 R)
• M27: 28,388,590 km (0.08 R)
• M28: 33,171,233 km (0.078 R)
• M29: 35,414,005 km (0.071 R)
• M30: 39,906,130 km (0.119 R)
• M31: 40,936,859 km (0.069 R)
• M32: 41,683,951 km (0.071 R)
• M33: 42,136,484 km (0.108 R)
• M34: 45,079,224 km (0.099 R)
• M35: 49,661,108 km (0.101 R)
• M36: 55,629,913 km (0.116 R)
• M37: 57,286,410 km (0.084 R)
• M38: 57,658,909 km (0.094 R)
• M39: 64,040,455 km (0.107 R)
• M40: 64,441,676 km (0.047 R)
• M41: 65,859,116 km (0.093 R)
• M42: 66,063,317 km (0.048 R)
• M43: 66,472,916 km (0.101 R)
• M44: 67,090,456 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.2

Radius: 7

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.91 AU - 10.75 AU

Year: 19596 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,721,128 km

• M1: 87,066 km (0.056 R)
• M2: 440,267 km (0.102 R)
• M3: 794,664 km (0.101 R)
• M4: 1,485,208 km (0.111 R)
• M5: 1,722,470 km (0.074 R)
• M6: 2,318,169 km (0.112 R)
• M7: 2,639,654 km (0.07 R)
• M8: 2,964,581 km (0.116 R)
• M9: 3,344,260 km (0.113 R)
• M10: 4,334,150 km (0.091 R)
• M11: 4,751,528 km (0.086 R)
• M12: 5,157,536 km (0.082 R)
• M13: 5,830,128 km (0.081 R)
• M14: 8,355,789 km (0.046 R)
• M15: 8,837,793 km (0.106 R)
• M16: 9,225,401 km (0.11 R)
• M17: 10,274,382 km (0.065 R)
• M18: 12,746,337 km (0.113 R)
• M19: 13,098,640 km (0.077 R)
• M20: 14,573,077 km (0.106 R)
• M21: 16,818,541 km (0.108 R)
• M22: 17,760,558 km (0.09 R)
• M23: 23,737,293 km (0.086 R)
• M24: 29,805,431 km (0.102 R)
• M25: 31,951,412 km (0.096 R)
• M26: 32,732,912 km (0.083 R)
• M27: 40,347,743 km (0.118 R)
• M28: 43,126,972 km (0.066 R)
• M29: 45,211,768 km (0.101 R)
• M30: 53,673,921 km (0.076 R)
• M31: 57,029,999 km (0.105 R)
• M32: 58,759,351 km (0.109 R)
• M33: 60,523,259 km (0.118 R)
• M34: 62,929,691 km (0.108 R)
• M35: 63,541,247 km (0.062 R)
• M36: 64,568,984 km (0.098 R)
• M37: 66,026,516 km (0.118 R)
• M38: 77,081,350 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 18,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit