🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 9.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.8 AU - 1.28 AU

Year: 746 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,550,898 km

• M1: 120,725 km (0.088 R)
• M2: 447,896 km (0.094 R)
• M3: 794,514 km (0.113 R)
• M4: 1,196,334 km (0.101 R)
• M5: 1,510,938 km (0.085 R)
• M6: 1,997,431 km (0.091 R)
• M7: 2,305,154 km (0.117 R)
• M8: 3,083,511 km (0.078 R)
• M9: 3,446,436 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.3

Radius: 10

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.02 AU - 1.08 AU

Year: 756 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,550,898 km

• M1: 124,316 km (0.104 R)
• M2: 443,109 km (0.099 R)
• M3: 969,544 km (0.106 R)
• M4: 1,320,949 km (0.112 R)
• M5: 1,660,387 km (0.034 R)
• M6: 2,211,655 km (0.088 R)
• M7: 2,952,763 km (0.092 R)
• M8: 3,368,196 km (0.105 R)
• M9: 3,997,704 km (0.036 R)
• M10: 4,687,051 km (0.054 R)
• M11: 5,435,489 km (0.109 R)
• M12: 7,876,178 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.5

Radius: 11.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.19 AU - 1.67 AU

Year: 1202 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,550,898 km

• M1: 147,952 km (0.026 R)
• M2: 569,669 km (0.09 R)
• M3: 1,398,142 km (0.05 R)
• M4: 1,958,535 km (0.092 R)
• M5: 3,734,561 km (0.115 R)
• M6: 4,410,594 km (0.109 R)
• M7: 7,032,147 km (0.099 R)
• M8: 7,473,610 km (0.053 R)
• M9: 8,090,851 km (0.103 R)
• M10: 9,574,862 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 10

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.66 AU - 2.44 AU

Year: 2063 Days

Day: 6.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,550,898 km

• M1: 124,914 km (0.116 R)
• M2: 548,575 km (0.076 R)
• M3: 1,488,798 km (0.117 R)
• M4: 1,885,232 km (0.08 R)
• M5: 2,541,219 km (0.056 R)
• M6: 4,138,625 km (0.108 R)
• M7: 4,610,756 km (0.113 R)
• M8: 5,055,660 km (0.115 R)
• M9: 7,837,432 km (0.085 R)
• M10: 9,267,139 km (0.063 R)
• M11: 11,217,896 km (0.049 R)
• M12: 11,912,628 km (0.04 R)
• M13: 12,830,860 km (0.095 R)
• M14: 13,226,995 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 11.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.45 AU - 2.71 AU

Year: 2913 Days

Day: 5 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,550,898 km

• M1: 143,016 km (0.074 R)
• M2: 517,609 km (0.066 R)
• M3: 1,406,968 km (0.089 R)
• M4: 2,070,584 km (0.078 R)
• M5: 2,769,356 km (0.116 R)
• M6: 3,281,878 km (0.108 R)
• M7: 4,233,769 km (0.104 R)
• M8: 4,798,053 km (0.087 R)
• M9: 5,160,229 km (0.12 R)
• M10: 6,189,014 km (0.095 R)
• M11: 6,887,187 km (0.106 R)
• M12: 7,998,400 km (0.086 R)
• M13: 9,712,043 km (0.044 R)
• M14: 10,695,799 km (0.055 R)
• M15: 11,615,377 km (0.057 R)
• M16: 13,755,674 km (0.105 R)
• M17: 14,292,431 km (0.093 R)
• M18: 16,308,412 km (0.097 R)
• M19: 16,744,340 km (0.119 R)
• M20: 17,132,098 km (0.11 R)
• M21: 18,507,351 km (0.111 R)
• M22: 20,141,109 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 13.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.37 AU - 2.89 AU

Year: 2998 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,550,898 km

• M1: 176,077 km (0.088 R)
• M2: 911,350 km (0.118 R)
• M3: 1,337,555 km (0.115 R)
• M4: 2,024,658 km (0.117 R)
• M5: 2,954,857 km (0.105 R)
• M6: 3,370,889 km (0.099 R)
• M7: 4,028,222 km (0.087 R)
• M8: 4,678,075 km (0.061 R)
• M9: 5,100,839 km (0.045 R)
• M10: 6,670,270 km (0.091 R)
• M11: 7,362,459 km (0.1 R)
• M12: 8,269,172 km (0.1 R)
• M13: 8,890,452 km (0.08 R)
• M14: 10,187,914 km (0.047 R)
• M15: 11,950,476 km (0.105 R)
• M16: 12,521,342 km (0.113 R)
• M17: 14,295,124 km (0.076 R)
• M18: 15,447,027 km (0.09 R)
• M19: 16,124,855 km (0.063 R)
• M20: 17,151,396 km (0.051 R)
• M21: 21,439,469 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 11.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.76 AU - 2.82 AU

Year: 3276 Days

Day: 9.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,550,898 km

• M1: 144,212 km (0.069 R)
• M2: 597,195 km (0.112 R)
• M3: 1,113,457 km (0.114 R)
• M4: 1,752,988 km (0.107 R)
• M5: 2,788,654 km (0.072 R)
• M6: 3,152,326 km (0.063 R)
• M7: 3,804,872 km (0.082 R)
• M8: 4,609,858 km (0.097 R)
• M9: 5,897,746 km (0.047 R)
• M10: 6,584,401 km (0.101 R)
• M11: 7,561,724 km (0.082 R)
• M12: 8,276,053 km (0.078 R)
• M13: 9,448,901 km (0.118 R)
• M14: 10,653,164 km (0.114 R)
• M15: 12,499,052 km (0.102 R)
• M16: 13,232,380 km (0.059 R)
• M17: 14,927,624 km (0.054 R)
• M18: 15,361,009 km (0.088 R)
• M19: 16,608,954 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 14.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.08 AU - 5.2 AU

Year: 8191 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,550,898 km

• M1: 175,777 km (0.114 R)
• M2: 805,585 km (0.083 R)
• M3: 1,641,238 km (0.117 R)
• M4: 3,248,817 km (0.066 R)
• M5: 3,699,555 km (0.097 R)
• M6: 6,474,895 km (0.078 R)
• M7: 7,156,164 km (0.117 R)
• M8: 7,636,523 km (0.097 R)
• M9: 8,751,775 km (0.086 R)
• M10: 10,779,275 km (0.094 R)
• M11: 12,694,726 km (0.049 R)
• M12: 14,636,207 km (0.038 R)
• M13: 19,716,700 km (0.076 R)
• M14: 21,560,045 km (0.051 R)
• M15: 23,603,552 km (0.097 R)
• M16: 26,147,314 km (0.039 R)
• M17: 27,485,467 km (0.048 R)
• M18: 30,610,417 km (0.09 R)
• M19: 31,988,812 km (0.037 R)
• M20: 35,097,755 km (0.113 R)
• M21: 41,781,339 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.4

Radius: 6.3

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.19 AU - 8.41 AU

Year: 15313 Days

Day: 23.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,550,898 km

• M1: 78,688 km (0.075 R)
• M2: 432,039 km (0.111 R)
• M3: 800,498 km (0.051 R)
• M4: 1,048,980 km (0.106 R)
• M5: 1,377,497 km (0.074 R)
• M6: 1,655,001 km (0.096 R)
• M7: 2,006,706 km (0.083 R)
• M8: 3,261,533 km (0.081 R)
• M9: 3,476,056 km (0.098 R)
• M10: 3,993,515 km (0.068 R)
• M11: 4,968,295 km (0.072 R)
• M12: 6,213,847 km (0.035 R)
• M13: 6,843,654 km (0.089 R)
• M14: 7,469,122 km (0.113 R)
• M15: 7,748,571 km (0.112 R)
• M16: 8,885,066 km (0.115 R)
• M17: 21,107,063 km (0.116 R)
• M18: 21,385,464 km (0.089 R)
• M19: 23,800,872 km (0.106 R)
• M20: 24,304,867 km (0.117 R)
• M21: 25,753,872 km (0.086 R)
• M22: 26,715,337 km (0.101 R)
• M23: 30,800,855 km (0.101 R)
• M24: 31,039,314 km (0.115 R)
• M25: 33,870,903 km (0.114 R)
• M26: 34,124,920 km (0.117 R)
• M27: 35,939,243 km (0.108 R)
• M28: 38,918,634 km (0.12 R)
• M29: 44,903,147 km (0.096 R)
• M30: 47,713,642 km (0.053 R)
• M31: 48,032,884 km (0.045 R)
• M32: 52,315,123 km (0.1 R)
• M33: 56,487,558 km (0.109 R)
• M34: 61,440,444 km (0.063 R)
• M35: 62,961,854 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.8

Radius: 4.6

Gravity: 42.62 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.23 AU - 12.01 AU

Year: 22630 Days

Day: 18.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 90,550,898 km

• M1: 57,146 km (0.039 R)
• M2: 542,143 km (0.09 R)
• M3: 859,889 km (0.1 R)
• M4: 1,454,241 km (0.036 R)
• M5: 1,818,661 km (0.11 R)
• M6: 1,980,526 km (0.114 R)
• M7: 2,196,396 km (0.1 R)
• M8: 2,549,746 km (0.105 R)
• M9: 3,838,233 km (0.079 R)
• M10: 4,314,552 km (0.108 R)
• M11: 5,425,167 km (0.068 R)
• M12: 6,294,181 km (0.089 R)
• M13: 7,924,648 km (0.056 R)
• M14: 8,193,924 km (0.085 R)
• M15: 8,865,469 km (0.095 R)
• M16: 9,155,838 km (0.108 R)
• M17: 10,127,776 km (0.117 R)
• M18: 10,509,400 km (0.076 R)
• M19: 10,834,626 km (0.078 R)
• M20: 13,302,093 km (0.082 R)
• M21: 13,682,670 km (0.107 R)
• M22: 13,992,338 km (0.115 R)
• M23: 14,868,084 km (0.11 R)
• M24: 15,444,035 km (0.094 R)
• M25: 16,206,087 km (0.114 R)
• M26: 23,118,556 km (0.052 R)
• M27: 31,497,383 km (0.091 R)
• M28: 33,135,031 km (0.102 R)
• M29: 35,550,887 km (0.087 R)
• M30: 37,626,707 km (0.099 R)
• M31: 39,313,124 km (0.111 R)
• M32: 43,001,160 km (0.066 R)
• M33: 43,999,875 km (0.066 R)
• M34: 45,526,671 km (0.114 R)
• M35: 45,870,746 km (0.051 R)
• M36: 48,506,362 km (0.078 R)
• M37: 50,318,441 km (0.085 R)
• M38: 54,269,919 km (0.092 R)
• M39: 57,015,937 km (0.08 R)
• M40: 57,817,333 km (0.093 R)
• M41: 70,294,095 km (0.066 R)
• M42: 70,523,578 km (0.119 R)
• M43: 71,446,746 km (0.105 R)
• M44: 74,026,711 km (0.101 R)
• M45: 77,155,251 km (0.118 R)
• M46: 85,751,743 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 18,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit