🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 13.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,413,941 km

• M1: 170,392 km (0.1 R)
• M2: 753,973 km (0.102 R)
• M3: 1,224,159 km (0.12 R)
• M4: 1,847,833 km (0.044 R)
• M5: 2,291,391 km (0.098 R)
• M6: 2,750,357 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 12.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.97 AU - 1.47 AU

Year: 899 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,413,941 km

• M1: 154,235 km (0.105 R)
• M2: 677,529 km (0.075 R)
• M3: 1,102,836 km (0.117 R)
• M4: 1,501,963 km (0.059 R)
• M5: 1,934,151 km (0.066 R)
• M6: 2,384,889 km (0.099 R)
• M7: 2,844,304 km (0.08 R)
• M8: 3,459,900 km (0.114 R)
• M9: 4,291,664 km (0.05 R)
• M10: 4,995,073 km (0.048 R)
• M11: 5,615,904 km (0.067 R)
• M12: 6,330,234 km (0.034 R)
• M13: 6,876,715 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.59 AU - 2.97 AU

Year: 3091 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,413,941 km

• M1: 99,931 km (0.09 R)
• M2: 352,153 km (0.119 R)
• M3: 729,290 km (0.116 R)
• M4: 1,032,375 km (0.074 R)
• M5: 1,297,462 km (0.115 R)
• M6: 2,516,087 km (0.082 R)
• M7: 3,191,820 km (0.038 R)
• M8: 4,444,852 km (0.096 R)
• M9: 5,093,658 km (0.119 R)
• M10: 5,383,728 km (0.113 R)
• M11: 6,449,015 km (0.104 R)
• M12: 8,454,673 km (0.048 R)
• M13: 9,582,342 km (0.077 R)
• M14: 11,027,158 km (0.068 R)
• M15: 11,590,394 km (0.107 R)
• M16: 12,172,629 km (0.055 R)
• M17: 14,430,809 km (0.076 R)
• M18: 15,013,642 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 13.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.51 AU - 3.77 AU

Year: 3710 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,413,941 km

• M1: 169,195 km (0.062 R)
• M2: 595,699 km (0.051 R)
• M3: 1,116,898 km (0.045 R)
• M4: 1,863,541 km (0.116 R)
• M5: 2,330,436 km (0.103 R)
• M6: 2,941,842 km (0.103 R)
• M7: 3,678,312 km (0.069 R)
• M8: 4,832,759 km (0.063 R)
• M9: 6,244,066 km (0.04 R)
• M10: 6,702,284 km (0.111 R)
• M11: 7,244,875 km (0.092 R)
• M12: 8,180,610 km (0.079 R)
• M13: 8,836,447 km (0.095 R)
• M14: 9,714,736 km (0.062 R)
• M15: 10,332,127 km (0.117 R)
• M16: 10,812,186 km (0.058 R)
• M17: 11,990,569 km (0.052 R)
• M18: 12,929,295 km (0.111 R)
• M19: 13,868,321 km (0.059 R)
• M20: 16,959,462 km (0.081 R)
• M21: 18,257,822 km (0.106 R)
• M22: 18,901,691 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.4

Radius: 8.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.76 AU - 3.6 AU

Year: 3782 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,413,941 km

• M1: 110,702 km (0.063 R)
• M2: 685,457 km (0.109 R)
• M3: 1,260,362 km (0.029 R)
• M4: 1,556,416 km (0.047 R)
• M5: 1,963,173 km (0.097 R)
• M6: 2,414,809 km (0.113 R)
• M7: 3,259,438 km (0.108 R)
• M8: 3,707,783 km (0.076 R)
• M9: 4,400,571 km (0.102 R)
• M10: 5,198,077 km (0.111 R)
• M11: 7,156,014 km (0.109 R)
• M12: 7,943,198 km (0.076 R)
• M13: 11,495,549 km (0.099 R)
• M14: 12,421,261 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.4

Radius: 5.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.34 AU - 6.2 AU

Year: 9243 Days

Day: 23.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,413,941 km

• M1: 68,366 km (0.11 R)
• M2: 998,267 km (0.08 R)
• M3: 2,667,180 km (0.11 R)
• M4: 3,308,955 km (0.087 R)
• M5: 3,740,545 km (0.034 R)
• M6: 4,960,516 km (0.094 R)
• M7: 5,452,543 km (0.045 R)
• M8: 7,211,365 km (0.089 R)
• M9: 12,127,750 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.9

Radius: 4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.34 AU - 6.3 AU

Year: 9363 Days

Day: 20.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,413,941 km

• M1: 49,966 km (0.114 R)
• M2: 307,124 km (0.076 R)
• M3: 498,161 km (0.111 R)
• M4: 3,096,676 km (0.06 R)
• M5: 3,637,173 km (0.119 R)
• M6: 4,120,673 km (0.102 R)
• M7: 5,538,861 km (0.029 R)
• M8: 6,673,860 km (0.104 R)
• M9: 11,411,475 km (0.118 R)
• M10: 11,682,547 km (0.033 R)
• M11: 14,364,088 km (0.067 R)
• M12: 15,047,003 km (0.118 R)
• M13: 16,233,015 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.9

Radius: 4.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.47 AU - 6.45 AU

Year: 9703 Days

Day: 23.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,413,941 km

• M1: 51,013 km (0.066 R)
• M2: 180,565 km (0.106 R)
• M3: 1,580,651 km (0.104 R)
• M4: 2,508,607 km (0.048 R)
• M5: 3,299,531 km (0.062 R)
• M6: 5,408,262 km (0.085 R)
• M7: 7,530,308 km (0.099 R)
• M8: 8,067,514 km (0.105 R)
• M9: 8,486,837 km (0.119 R)
• M10: 9,407,013 km (0.084 R)
• M11: 10,391,816 km (0.078 R)
• M12: 13,706,606 km (0.083 R)
• M13: 14,002,660 km (0.11 R)
• M14: 17,432,041 km (0.082 R)
• M15: 17,605,276 km (0.108 R)
• M16: 18,191,101 km (0.101 R)
• M17: 19,837,276 km (0.117 R)
• M18: 20,471,421 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.9

Radius: 6.4

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.84 AU - 9.17 AU

Year: 13697 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,413,941 km

• M1: 105,766 km (0.092 R)
• M2: 395,387 km (0.119 R)
• M3: 665,860 km (0.066 R)
• M4: 1,478,925 km (0.11 R)
• M5: 2,282,116 km (0.115 R)
• M6: 2,648,630 km (0.069 R)
• M7: 3,197,355 km (0.114 R)
• M8: 4,015,057 km (0.105 R)
• M9: 5,869,622 km (0.062 R)
• M10: 6,245,562 km (0.103 R)
• M11: 6,880,156 km (0.05 R)
• M12: 8,511,371 km (0.098 R)
• M13: 9,492,733 km (0.077 R)
• M14: 10,063,598 km (0.069 R)
• M15: 10,547,547 km (0.087 R)
• M16: 11,445,883 km (0.059 R)
• M17: 12,212,572 km (0.052 R)
• M18: 12,639,225 km (0.05 R)
• M19: 13,202,461 km (0.118 R)
• M20: 16,566,319 km (0.111 R)
• M21: 17,546,185 km (0.033 R)
• M22: 21,853,855 km (0.052 R)
• M23: 22,664,676 km (0.11 R)
• M24: 23,123,792 km (0.109 R)
• M25: 23,495,393 km (0.062 R)
• M26: 25,217,414 km (0.107 R)
• M27: 27,434,305 km (0.119 R)
• M28: 27,641,947 km (0.093 R)
• M29: 29,777,755 km (0.105 R)
• M30: 31,110,672 km (0.099 R)
• M31: 31,906,234 km (0.112 R)
• M32: 33,301,533 km (0.089 R)
• M33: 34,616,050 km (0.069 R)
• M34: 38,375,893 km (0.092 R)
• M35: 48,340,009 km (0.063 R)
• M36: 53,831,148 km (0.069 R)
• M37: 54,812,361 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948

Radius: 4.4

Gravity: 48.97 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.8 AU - 9.46 AU

Year: 15458 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,413,941 km

• M1: 79,137 km (0.096 R)
• M2: 242,199 km (0.12 R)
• M3: 521,349 km (0.117 R)
• M4: 867,518 km (0.091 R)
• M5: 1,323,492 km (0.087 R)
• M6: 1,522,607 km (0.102 R)
• M7: 3,553,249 km (0.11 R)
• M8: 6,300,614 km (0.098 R)
• M9: 15,856,926 km (0.119 R)
• M10: 18,326,038 km (0.071 R)
• M11: 18,586,339 km (0.079 R)
• M12: 19,561,418 km (0.119 R)
• M13: 29,561,287 km (0.052 R)
• M14: 31,133,112 km (0.113 R)
• M15: 35,639,898 km (0.072 R)
• M16: 36,590,592 km (0.091 R)
• M17: 38,118,585 km (0.039 R)
• M18: 38,259,506 km (0.104 R)
• M19: 44,188,219 km (0.1 R)
• M20: 51,729,597 km (0.095 R)
• M21: 57,638,414 km (0.107 R)
• M22: 63,981,214 km (0.076 R)
• M23: 70,773,705 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: 249 - 13,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit