🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 8.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.7 AU - 0.78 AU

Year: 447 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,270,445 km

• M1: 107,710 km (0.101 R)
• M2: 280,496 km (0.098 R)
• M3: 459,265 km (0.108 R)
• M4: 779,555 km (0.113 R)
• M5: 988,393 km (0.094 R)
• M6: 1,266,795 km (0.112 R)
• M7: 1,475,334 km (0.119 R)
• M8: 1,684,771 km (0.068 R)
• M9: 1,863,092 km (0.076 R)
• M10: 2,123,691 km (0.095 R)
• M11: 2,415,557 km (0.094 R)
• M12: 2,741,082 km (0.11 R)
• M13: 3,888,348 km (0.105 R)
• M14: 4,196,519 km (0.117 R)
• M15: 4,653,840 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 12.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1 AU - 1.52 AU

Year: 994 Days

Day: 6 Hours

Environment

Temp: -188 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,270,445 km

• M1: 164,857 km (0.037 R)
• M2: 396,584 km (0.065 R)
• M3: 716,424 km (0.111 R)
• M4: 1,037,162 km (0.109 R)
• M5: 2,242,023 km (0.086 R)
• M6: 2,805,858 km (0.093 R)
• M7: 3,722,743 km (0.119 R)
• M8: 4,462,654 km (0.117 R)
• M9: 5,214,383 km (0.118 R)
• M10: 5,902,234 km (0.12 R)
• M11: 6,374,515 km (0.103 R)
• M12: 6,650,373 km (0.12 R)
• M13: 7,813,796 km (0.107 R)
• M14: 8,357,435 km (0.05 R)
• M15: 8,598,886 km (0.093 R)
• M16: 9,324,585 km (0.091 R)
• M17: 10,324,946 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.3

Radius: 10.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.27 AU - 1.79 AU

Year: 1330 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,270,445 km

• M1: 173,833 km (0.091 R)
• M2: 396,135 km (0.048 R)
• M3: 677,828 km (0.087 R)
• M4: 1,286,542 km (0.115 R)
• M5: 1,738,477 km (0.088 R)
• M6: 2,186,223 km (0.102 R)
• M7: 2,743,176 km (0.057 R)
• M8: 3,526,620 km (0.087 R)
• M9: 3,741,742 km (0.027 R)
• M10: 4,191,583 km (0.061 R)
• M11: 4,769,330 km (0.119 R)
• M12: 5,400,782 km (0.093 R)
• M13: 6,611,478 km (0.062 R)
• M14: 7,777,892 km (0.102 R)
• M15: 8,060,782 km (0.103 R)
• M16: 8,681,314 km (0.044 R)
• M17: 9,531,329 km (0.09 R)
• M18: 9,865,680 km (0.103 R)
• M19: 11,194,259 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.9

Radius: 13.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.33 AU - 4.79 AU

Year: 5750 Days

Day: 8.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,270,445 km

• M1: 252,072 km (0.078 R)
• M2: 628,161 km (0.105 R)
• M3: 1,198,728 km (0.102 R)
• M4: 1,811,331 km (0.108 R)
• M5: 2,353,773 km (0.114 R)
• M6: 3,180,900 km (0.083 R)
• M7: 3,652,881 km (0.097 R)
• M8: 5,169,654 km (0.11 R)
• M9: 6,270,694 km (0.103 R)
• M10: 6,622,399 km (0.078 R)
• M11: 6,886,588 km (0.078 R)
• M12: 7,736,454 km (0.11 R)
• M13: 8,260,196 km (0.088 R)
• M14: 8,884,019 km (0.059 R)
• M15: 10,802,612 km (0.09 R)
• M16: 13,214,429 km (0.115 R)
• M17: 13,588,872 km (0.103 R)
• M18: 15,467,373 km (0.12 R)
• M19: 18,776,926 km (0.113 R)
• M20: 19,634,272 km (0.083 R)
• M21: 21,753,326 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 10.9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.24 AU - 4.24 AU

Year: 6137 Days

Day: 14 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,270,445 km

• M1: 139,276 km (0.095 R)
• M2: 386,860 km (0.087 R)
• M3: 1,057,956 km (0.066 R)
• M4: 1,565,841 km (0.065 R)
• M5: 3,641,661 km (0.108 R)
• M6: 3,989,177 km (0.104 R)
• M7: 4,353,148 km (0.103 R)
• M8: 4,759,456 km (0.075 R)
• M9: 5,487,399 km (0.075 R)
• M10: 6,208,910 km (0.101 R)
• M11: 8,332,601 km (0.08 R)
• M12: 8,752,971 km (0.109 R)
• M13: 9,366,323 km (0.112 R)
• M14: 10,115,060 km (0.06 R)
• M15: 11,373,627 km (0.069 R)
• M16: 12,706,843 km (0.108 R)
• M17: 13,934,742 km (0.087 R)
• M18: 18,682,979 km (0.097 R)
• M19: 19,259,679 km (0.084 R)
• M20: 20,603,217 km (0.118 R)
• M21: 22,275,572 km (0.082 R)
• M22: 23,543,862 km (0.094 R)
• M23: 24,547,963 km (0.111 R)
• M24: 29,425,602 km (0.099 R)
• M25: 34,392,700 km (0.09 R)
• M26: 35,893,616 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.5

Radius: 10.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.92 AU - 4.82 AU

Year: 6421 Days

Day: 11.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,270,445 km

• M1: 127,607 km (0.044 R)
• M2: 442,211 km (0.111 R)
• M3: 1,175,839 km (0.113 R)
• M4: 1,434,344 km (0.079 R)
• M5: 2,528,802 km (0.088 R)
• M6: 2,801,819 km (0.063 R)
• M7: 3,378,668 km (0.1 R)
• M8: 4,861,781 km (0.106 R)
• M9: 5,920,635 km (0.118 R)
• M10: 7,729,872 km (0.094 R)
• M11: 8,125,408 km (0.061 R)
• M12: 10,708,964 km (0.102 R)
• M13: 11,373,777 km (0.11 R)
• M14: 12,631,895 km (0.081 R)
• M15: 13,326,478 km (0.028 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.75 AU - 5.35 AU

Year: 7977 Days

Day: 10.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,270,445 km

• M1: 191,485 km (0.106 R)
• M2: 775,366 km (0.073 R)
• M3: 2,063,553 km (0.056 R)
• M4: 2,380,551 km (0.114 R)
• M5: 2,590,886 km (0.069 R)
• M6: 3,525,124 km (0.099 R)
• M7: 4,686,153 km (0.103 R)
• M8: 6,698,693 km (0.111 R)
• M9: 12,072,249 km (0.09 R)
• M10: 12,645,508 km (0.031 R)
• M11: 16,921,763 km (0.108 R)
• M12: 17,410,350 km (0.096 R)
• M13: 18,447,512 km (0.036 R)

Asteroid Belt

Center: 5.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.6

Radius: 5.2

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.73 AU - 6.81 AU

Year: 9743 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 44,270,445 km

• M1: 71,807 km (0.087 R)
• M2: 489,185 km (0.066 R)
• M3: 698,772 km (0.113 R)
• M4: 872,604 km (0.107 R)
• M5: 1,257,071 km (0.08 R)
• M6: 1,364,781 km (0.117 R)
• M7: 1,564,495 km (0.031 R)
• M8: 1,700,329 km (0.111 R)
• M9: 1,842,298 km (0.102 R)
• M10: 2,698,297 km (0.026 R)
• M11: 2,938,401 km (0.066 R)
• M12: 3,083,362 km (0.042 R)
• M13: 5,237,421 km (0.062 R)
• M14: 5,714,489 km (0.044 R)
• M15: 6,152,811 km (0.086 R)
• M16: 8,241,795 km (0.08 R)
• M17: 8,838,841 km (0.097 R)
• M18: 9,199,820 km (0.099 R)
• M19: 9,309,625 km (0.101 R)
• M20: 9,792,677 km (0.059 R)
• M21: 11,559,727 km (0.109 R)
• M22: 13,166,857 km (0.116 R)
• M23: 13,298,204 km (0.069 R)
• M24: 13,785,444 km (0.051 R)
• M25: 14,054,870 km (0.112 R)
• M26: 14,740,028 km (0.052 R)
• M27: 15,347,096 km (0.084 R)
• M28: 16,353,590 km (0.101 R)
• M29: 18,102,539 km (0.089 R)
• M30: 20,210,523 km (0.084 R)
• M31: 21,141,769 km (0.074 R)
• M32: 22,435,043 km (0.102 R)
• M33: 22,951,605 km (0.048 R)
• M34: 23,357,464 km (0.109 R)
• M35: 25,440,165 km (0.112 R)
• M36: 26,236,325 km (0.038 R)
• M37: 26,732,541 km (0.051 R)
• M38: 29,087,810 km (0.109 R)
• M39: 29,675,730 km (0.081 R)
• M40: 33,118,874 km (0.082 R)
• M41: 33,746,138 km (0.113 R)
• M42: 35,447,664 km (0.053 R)
• M43: 35,807,447 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.2

Radius: 6.2

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.89 AU - 6.09 AU

Year: 10305 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,270,445 km

• M1: 77,342 km (0.095 R)
• M2: 215,720 km (0.118 R)
• M3: 451,187 km (0.062 R)
• M4: 1,032,076 km (0.108 R)
• M5: 1,194,389 km (0.072 R)
• M6: 1,655,749 km (0.075 R)
• M7: 2,394,613 km (0.089 R)
• M8: 6,559,717 km (0.08 R)
• M9: 7,218,995 km (0.114 R)
• M10: 7,688,283 km (0.113 R)
• M11: 8,439,564 km (0.105 R)
• M12: 8,907,356 km (0.12 R)
• M13: 10,993,200 km (0.053 R)
• M14: 12,631,895 km (0.11 R)
• M15: 15,046,404 km (0.096 R)
• M16: 17,673,193 km (0.12 R)
• M17: 18,806,248 km (0.115 R)
• M18: 21,362,277 km (0.117 R)
• M19: 22,606,632 km (0.078 R)
• M20: 23,114,367 km (0.119 R)
• M21: 23,306,301 km (0.109 R)
• M22: 23,951,517 km (0.081 R)
• M23: 25,603,227 km (0.079 R)
• M24: 26,483,909 km (0.082 R)
• M25: 27,310,138 km (0.118 R)
• M26: 29,937,825 km (0.097 R)
• M27: 30,668,760 km (0.091 R)
• M28: 33,067,263 km (0.068 R)
• M29: 36,033,041 km (0.101 R)
• M30: 36,754,102 km (0.07 R)
• M31: 38,217,768 km (0.03 R)
• M32: 38,546,883 km (0.089 R)
• M33: 40,636,167 km (0.115 R)
• M34: 40,890,633 km (0.054 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: 402 - 12,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit