🌌 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 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 13

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,541,626 km

• M1: 161,715 km (0.115 R)
• M2: 676,631 km (0.117 R)
• M3: 1,204,562 km (0.119 R)
• M4: 1,802,206 km (0.116 R)
• M5: 3,007,216 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.9

Radius: 8.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.97 AU - 1.35 AU

Year: 833 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,541,626 km

• M1: 107,112 km (0.063 R)
• M2: 695,630 km (0.058 R)
• M3: 1,224,907 km (0.106 R)
• M4: 2,002,667 km (0.117 R)
• M5: 2,325,499 km (0.043 R)
• M6: 3,066,906 km (0.065 R)
• M7: 4,289,569 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.8

Radius: 8.4

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.56 AU - 2.1 AU

Year: 1651 Days

Day: 7.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,541,626 km

• M1: 104,419 km (0.108 R)
• M2: 418,724 km (0.095 R)
• M3: 912,996 km (0.119 R)
• M4: 1,196,633 km (0.097 R)
• M5: 1,668,465 km (0.096 R)
• M6: 2,040,665 km (0.069 R)
• M7: 2,604,200 km (0.082 R)
• M8: 2,922,993 km (0.118 R)
• M9: 3,433,271 km (0.049 R)
• M10: 3,745,781 km (0.035 R)
• M11: 4,862,828 km (0.084 R)
• M12: 5,168,307 km (0.107 R)
• M13: 6,212,949 km (0.081 R)
• M14: 6,573,181 km (0.029 R)
• M15: 7,449,226 km (0.087 R)
• M16: 8,873,996 km (0.052 R)
• M17: 9,398,187 km (0.067 R)
• M18: 11,396,216 km (0.11 R)
• M19: 12,134,033 km (0.117 R)
• M20: 13,448,250 km (0.058 R)
• M21: 14,008,345 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.1

Radius: 9.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.48 AU - 3.56 AU

Year: 3500 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 162.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,541,626 km

• M1: 121,922 km (0.116 R)
• M2: 1,022,651 km (0.117 R)
• M3: 2,005,958 km (0.114 R)
• M4: 2,418,998 km (0.089 R)
• M5: 2,872,130 km (0.12 R)
• M6: 4,514,565 km (0.08 R)
• M7: 4,851,309 km (0.109 R)
• M8: 6,314,227 km (0.106 R)
• M9: 7,237,395 km (0.093 R)
• M10: 11,843,963 km (0.059 R)
• M11: 13,426,409 km (0.118 R)
• M12: 13,749,839 km (0.082 R)
• M13: 14,556,920 km (0.086 R)
• M14: 14,898,153 km (0.053 R)
• M15: 15,495,796 km (0.094 R)
• M16: 16,632,890 km (0.087 R)
• M17: 18,726,661 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 8.5

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.28 AU - 6.16 AU

Year: 7953 Days

Day: 7.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,541,626 km

• M1: 124,765 km (0.111 R)
• M2: 592,856 km (0.106 R)
• M3: 1,153,250 km (0.117 R)
• M4: 1,535,323 km (0.086 R)
• M5: 2,427,225 km (0.071 R)
• M6: 2,731,358 km (0.096 R)
• M7: 3,125,698 km (0.059 R)
• M8: 3,440,153 km (0.101 R)
• M9: 3,751,017 km (0.094 R)
• M10: 4,054,701 km (0.114 R)
• M11: 4,975,625 km (0.113 R)
• M12: 5,342,888 km (0.085 R)
• M13: 5,728,402 km (0.115 R)
• M14: 6,810,593 km (0.081 R)
• M15: 8,023,233 km (0.109 R)
• M16: 8,315,996 km (0.107 R)
• M17: 9,558,855 km (0.051 R)
• M18: 10,470,056 km (0.059 R)
• M19: 12,188,337 km (0.109 R)
• M20: 12,631,745 km (0.108 R)
• M21: 13,492,082 km (0.116 R)
• M22: 14,147,321 km (0.107 R)
• M23: 15,521,377 km (0.104 R)
• M24: 15,845,706 km (0.117 R)
• M25: 16,307,365 km (0.055 R)
• M26: 17,887,417 km (0.074 R)
• M27: 19,718,047 km (0.086 R)
• M28: 21,429,297 km (0.041 R)
• M29: 21,993,879 km (0.087 R)
• M30: 24,526,870 km (0.075 R)
• M31: 26,967,260 km (0.088 R)
• M32: 28,006,367 km (0.07 R)
• M33: 28,876,129 km (0.101 R)
• M34: 34,257,763 km (0.1 R)
• M35: 38,707,103 km (0.093 R)
• M36: 41,255,502 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819

Radius: 10

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.11 AU - 6.47 AU

Year: 8114 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,541,626 km

• M1: 124,316 km (0.091 R)
• M2: 539,001 km (0.037 R)
• M3: 1,211,892 km (0.12 R)
• M4: 1,739,374 km (0.112 R)
• M5: 3,099,668 km (0.119 R)
• M6: 3,536,194 km (0.095 R)
• M7: 4,648,006 km (0.088 R)
• M8: 10,141,389 km (0.065 R)
• M9: 15,588,248 km (0.078 R)
• M10: 15,919,607 km (0.119 R)
• M11: 18,299,111 km (0.064 R)
• M12: 18,742,519 km (0.096 R)
• M13: 20,508,372 km (0.056 R)
• M14: 21,228,686 km (0.089 R)
• M15: 24,102,910 km (0.117 R)
• M16: 28,687,037 km (0.075 R)
• M17: 42,945,360 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.8

Radius: 5.3

Gravity: 26.09 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.47 AU - 8.39 AU

Year: 13506 Days

Day: 22.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,541,626 km

• M1: 71,358 km (0.111 R)
• M2: 311,014 km (0.09 R)
• M3: 544,536 km (0.051 R)
• M4: 882,777 km (0.072 R)
• M5: 1,649,317 km (0.084 R)
• M6: 1,865,635 km (0.082 R)
• M7: 2,138,801 km (0.073 R)
• M8: 2,675,408 km (0.113 R)
• M9: 3,195,859 km (0.094 R)
• M10: 4,219,857 km (0.114 R)
• M11: 4,724,002 km (0.112 R)
• M12: 5,664,673 km (0.041 R)
• M13: 6,120,498 km (0.092 R)
• M14: 6,357,461 km (0.109 R)
• M15: 6,849,638 km (0.048 R)
• M16: 7,148,235 km (0.111 R)
• M17: 7,817,386 km (0.11 R)
• M18: 8,773,317 km (0.087 R)
• M19: 10,129,272 km (0.034 R)
• M20: 11,381,107 km (0.026 R)
• M21: 13,915,444 km (0.072 R)
• M22: 15,530,802 km (0.088 R)
• M23: 16,956,320 km (0.11 R)
• M24: 17,267,185 km (0.094 R)
• M25: 17,581,789 km (0.103 R)
• M26: 20,676,071 km (0.113 R)
• M27: 22,772,087 km (0.076 R)
• M28: 25,105,814 km (0.116 R)
• M29: 25,611,305 km (0.116 R)
• M30: 32,336,178 km (0.09 R)
• M31: 35,909,473 km (0.041 R)
• M32: 37,857,088 km (0.109 R)
• M33: 48,972,060 km (0.093 R)
• M34: 52,341,901 km (0.109 R)
• M35: 54,672,337 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.9

Radius: 4.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.03 AU - 9.15 AU

Year: 16789 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,541,626 km

• M1: 53,406 km (0.036 R)
• M2: 207,343 km (0.105 R)
• M3: 482,603 km (0.066 R)
• M4: 666,907 km (0.115 R)
• M5: 1,001,857 km (0.109 R)
• M6: 1,584,840 km (0.107 R)
• M7: 1,797,418 km (0.04 R)
• M8: 2,513,843 km (0.107 R)
• M9: 2,823,660 km (0.106 R)
• M10: 2,987,769 km (0.055 R)
• M11: 4,084,770 km (0.094 R)
• M12: 4,348,810 km (0.111 R)
• M13: 5,179,228 km (0.076 R)
• M14: 10,077,810 km (0.119 R)
• M15: 11,362,557 km (0.095 R)
• M16: 11,569,451 km (0.078 R)
• M17: 12,205,241 km (0.11 R)
• M18: 12,697,119 km (0.12 R)
• M19: 14,858,809 km (0.115 R)
• M20: 17,321,937 km (0.059 R)
• M21: 22,546,793 km (0.057 R)
• M22: 24,641,312 km (0.057 R)
• M23: 26,770,689 km (0.103 R)
• M24: 29,698,319 km (0.061 R)
• M25: 30,189,748 km (0.079 R)
• M26: 32,937,113 km (0.086 R)
• M27: 35,625,536 km (0.032 R)
• M28: 36,966,382 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784

Radius: 7.7

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.87 AU - 10.87 AU

Year: 19127 Days

Day: 18.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,541,626 km

• M1: 99,931 km (0.117 R)
• M2: 400,174 km (0.071 R)
• M3: 1,467,705 km (0.09 R)
• M4: 2,919,402 km (0.026 R)
• M5: 3,209,473 km (0.096 R)
• M6: 4,708,144 km (0.114 R)
• M7: 5,108,468 km (0.091 R)
• M8: 5,935,744 km (0.093 R)
• M9: 6,668,624 km (0.085 R)
• M10: 12,313,401 km (0.101 R)
• M11: 13,501,806 km (0.105 R)
• M12: 14,460,729 km (0.061 R)
• M13: 15,307,004 km (0.061 R)
• M14: 16,845,917 km (0.05 R)
• M15: 20,417,865 km (0.045 R)
• M16: 21,383,968 km (0.095 R)
• M17: 26,448,604 km (0.071 R)
• M18: 27,248,205 km (0.041 R)
• M19: 30,236,123 km (0.044 R)
• M20: 33,171,533 km (0.045 R)
• M21: 33,567,967 km (0.066 R)
• M22: 54,859,185 km (0.117 R)
• M23: 55,971,744 km (0.032 R)
• M24: 61,363,102 km (0.029 R)
• M25: 63,166,953 km (0.12 R)
• M26: 71,612,800 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.3

Radius: 3.5

Gravity: 33.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 10.17 AU - 11.63 AU

Year: 23998 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,541,626 km

• M1: 54,304 km (0.096 R)
• M2: 199,115 km (0.112 R)
• M3: 313,557 km (0.109 R)
• M4: 650,003 km (0.09 R)
• M5: 815,458 km (0.061 R)
• M6: 1,470,547 km (0.076 R)
• M7: 1,634,955 km (0.119 R)
• M8: 1,962,126 km (0.057 R)
• M9: 2,224,221 km (0.105 R)
• M10: 2,892,924 km (0.074 R)
• M11: 4,053,205 km (0.081 R)
• M12: 4,213,125 km (0.116 R)
• M13: 5,376,547 km (0.104 R)
• M14: 6,135,308 km (0.106 R)
• M15: 6,389,175 km (0.029 R)
• M16: 8,161,910 km (0.117 R)
• M17: 10,120,146 km (0.043 R)
• M18: 11,332,936 km (0.084 R)
• M19: 12,981,056 km (0.051 R)
• M20: 13,258,859 km (0.115 R)
• M21: 13,898,091 km (0.117 R)
• M22: 15,469,467 km (0.063 R)
• M23: 16,661,612 km (0.031 R)
• M24: 21,848,320 km (0.086 R)
• M25: 23,447,970 km (0.05 R)
• M26: 29,421,563 km (0.064 R)
• M27: 31,120,695 km (0.119 R)
• M28: 31,368,579 km (0.118 R)
• M29: 33,529,670 km (0.118 R)
• M30: 43,321,150 km (0.045 R)
• M31: 44,096,665 km (0.079 R)
• M32: 45,356,728 km (0.087 R)
• M33: 48,445,326 km (0.064 R)
• M34: 50,295,851 km (0.101 R)
• M35: 57,608,644 km (0.053 R)
• M36: 58,734,966 km (0.107 R)
• M37: 69,539,074 km (0.096 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: 421 - 12,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit