🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 9.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.47 AU - 0.59 AU

Year: 271 Days

Day: 5.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,782,718 km

• M1: 113,246 km (0.102 R)
• M2: 399,426 km (0.082 R)
• M3: 774,319 km (0.079 R)
• M4: 1,292,077 km (0.112 R)
• M5: 1,747,902 km (0.06 R)
• M6: 2,107,086 km (0.056 R)
• M7: 2,584,303 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 8.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.86 AU - 1.36 AU

Year: 822 Days

Day: 13 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,782,718 km

• M1: 100,679 km (0.052 R)
• M2: 471,832 km (0.075 R)
• M3: 829,071 km (0.088 R)
• M4: 1,383,182 km (0.074 R)
• M5: 1,638,994 km (0.082 R)
• M6: 1,893,161 km (0.096 R)
• M7: 2,238,882 km (0.072 R)
• M8: 2,533,141 km (0.041 R)
• M9: 3,081,716 km (0.06 R)
• M10: 3,855,287 km (0.037 R)
• M11: 4,149,695 km (0.109 R)
• M12: 4,565,727 km (0.097 R)
• M13: 5,241,610 km (0.068 R)
• M14: 5,656,894 km (0.103 R)
• M15: 5,909,116 km (0.086 R)
• M16: 6,168,818 km (0.098 R)
• M17: 6,751,352 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 13.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.04 AU - 1.2 AU

Year: 833 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,782,718 km

• M1: 174,282 km (0.095 R)
• M2: 609,462 km (0.114 R)
• M3: 1,074,861 km (0.089 R)
• M4: 1,860,250 km (0.076 R)
• M5: 2,830,841 km (0.112 R)
• M6: 3,630,441 km (0.118 R)
• M7: 4,131,893 km (0.115 R)
• M8: 4,766,637 km (0.114 R)
• M9: 8,439,414 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.6

Radius: 13.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.03 AU - 1.67 AU

Year: 1103 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,782,718 km

• M1: 169,195 km (0.09 R)
• M2: 657,034 km (0.066 R)
• M3: 1,239,718 km (0.074 R)
• M4: 1,724,564 km (0.043 R)
• M5: 2,568,595 km (0.098 R)
• M6: 3,432,822 km (0.07 R)
• M7: 3,909,292 km (0.1 R)
• M8: 4,716,970 km (0.096 R)
• M9: 5,633,108 km (0.062 R)
• M10: 6,457,841 km (0.072 R)
• M11: 7,741,091 km (0.104 R)
• M12: 8,213,671 km (0.078 R)
• M13: 8,817,448 km (0.064 R)
• M14: 9,688,556 km (0.069 R)
• M15: 10,552,484 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 9

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.34 AU - 1.94 AU

Year: 1476 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,782,718 km

• M1: 113,545 km (0.09 R)
• M2: 476,020 km (0.088 R)
• M3: 766,240 km (0.108 R)
• M4: 1,489,696 km (0.079 R)
• M5: 2,109,779 km (0.05 R)
• M6: 2,518,929 km (0.099 R)
• M7: 2,806,456 km (0.094 R)
• M8: 3,177,459 km (0.049 R)
• M9: 3,581,074 km (0.118 R)
• M10: 4,184,701 km (0.117 R)
• M11: 4,731,332 km (0.08 R)
• M12: 5,548,585 km (0.115 R)
• M13: 6,356,862 km (0.079 R)
• M14: 7,827,709 km (0.046 R)
• M15: 8,265,432 km (0.095 R)
• M16: 10,079,605 km (0.082 R)
• M17: 11,650,682 km (0.054 R)
• M18: 12,612,896 km (0.101 R)
• M19: 13,255,867 km (0.104 R)
• M20: 13,710,495 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.6

Radius: 13.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.48 AU - 2.58 AU

Year: 2829 Days

Day: 12 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,782,718 km

• M1: 166,951 km (0.102 R)
• M2: 764,445 km (0.119 R)
• M3: 2,601,806 km (0.05 R)
• M4: 3,149,634 km (0.097 R)
• M5: 3,721,845 km (0.095 R)
• M6: 5,338,998 km (0.089 R)
• M7: 6,083,547 km (0.096 R)
• M8: 6,869,684 km (0.115 R)
• M9: 7,751,414 km (0.085 R)
• M10: 9,117,242 km (0.05 R)
• M11: 10,010,641 km (0.078 R)
• M12: 10,925,132 km (0.081 R)
• M13: 11,515,296 km (0.08 R)
• M14: 14,177,390 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 14.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.06 AU - 3.38 AU

Year: 3153 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,782,718 km

• M1: 199,863 km (0.09 R)
• M2: 1,038,359 km (0.101 R)
• M3: 2,261,172 km (0.036 R)
• M4: 3,373,731 km (0.086 R)
• M5: 4,742,253 km (0.065 R)
• M6: 5,235,925 km (0.072 R)
• M7: 12,534,357 km (0.053 R)
• M8: 15,112,227 km (0.102 R)
• M9: 15,714,209 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785

Radius: 6

Gravity: 21.81 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.86 AU - 6.64 AU

Year: 10983 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,782,718 km

• M1: 75,098 km (0.106 R)
• M2: 463,903 km (0.112 R)
• M3: 682,017 km (0.083 R)
• M4: 2,541,668 km (0.102 R)
• M5: 2,797,480 km (0.06 R)
• M6: 3,237,597 km (0.101 R)
• M7: 3,858,279 km (0.06 R)
• M8: 4,805,084 km (0.045 R)
• M9: 5,934,847 km (0.097 R)
• M10: 6,386,333 km (0.107 R)
• M11: 7,746,477 km (0.064 R)
• M12: 8,753,869 km (0.076 R)
• M13: 9,691,848 km (0.114 R)
• M14: 12,297,095 km (0.101 R)
• M15: 13,092,656 km (0.078 R)
• M16: 14,921,789 km (0.105 R)
• M17: 22,569,681 km (0.103 R)
• M18: 24,799,138 km (0.052 R)
• M19: 35,066,190 km (0.109 R)
• M20: 37,034,898 km (0.085 R)
• M21: 38,946,160 km (0.107 R)
• M22: 41,460,451 km (0.041 R)
• M23: 44,788,256 km (0.084 R)
• M24: 48,289,893 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.1

Radius: 7.9

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.12 AU - 8.02 AU

Year: 13214 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,782,718 km

• M1: 98,286 km (0.029 R)
• M2: 352,004 km (0.057 R)
• M3: 954,883 km (0.09 R)
• M4: 1,516,174 km (0.072 R)
• M5: 2,147,328 km (0.103 R)
• M6: 2,544,211 km (0.071 R)
• M7: 2,989,265 km (0.088 R)
• M8: 4,270,570 km (0.112 R)
• M9: 4,546,578 km (0.086 R)
• M10: 5,883,535 km (0.046 R)
• M11: 6,461,730 km (0.113 R)
• M12: 7,077,176 km (0.109 R)
• M13: 10,866,789 km (0.029 R)
• M14: 11,383,201 km (0.118 R)
• M15: 12,218,705 km (0.116 R)
• M16: 16,416,272 km (0.05 R)
• M17: 17,794,517 km (0.058 R)
• M18: 20,089,348 km (0.06 R)
• M19: 20,518,844 km (0.113 R)
• M20: 23,986,672 km (0.103 R)
• M21: 27,403,936 km (0.051 R)
• M22: 27,720,186 km (0.058 R)
• M23: 31,132,663 km (0.076 R)
• M24: 34,080,789 km (0.04 R)
• M25: 36,442,191 km (0.119 R)
• M26: 39,176,690 km (0.034 R)
• M27: 39,847,338 km (0.029 R)
• M28: 40,525,614 km (0.083 R)
• M29: 48,656,707 km (0.118 R)
• M30: 53,102,307 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.3

Radius: 5.7

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.7 AU - 10.12 AU

Year: 17144 Days

Day: 24.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,782,718 km

• M1: 81,531 km (0.066 R)
• M2: 334,950 km (0.067 R)
• M3: 546,631 km (0.066 R)
• M4: 1,365,081 km (0.11 R)
• M5: 1,629,121 km (0.084 R)
• M6: 1,823,598 km (0.108 R)
• M7: 2,070,435 km (0.082 R)
• M8: 2,524,165 km (0.115 R)
• M9: 3,820,131 km (0.052 R)
• M10: 4,285,829 km (0.077 R)
• M11: 7,459,399 km (0.106 R)
• M12: 7,636,672 km (0.043 R)
• M13: 10,151,861 km (0.085 R)
• M14: 12,412,435 km (0.117 R)
• M15: 13,626,571 km (0.082 R)
• M16: 15,413,517 km (0.101 R)
• M17: 18,297,465 km (0.054 R)
• M18: 21,077,592 km (0.12 R)
• M19: 21,882,129 km (0.06 R)
• M20: 22,521,810 km (0.115 R)
• M21: 24,418,112 km (0.045 R)
• M22: 27,038,918 km (0.109 R)
• M23: 27,248,055 km (0.119 R)
• M24: 28,633,332 km (0.115 R)
• M25: 29,730,333 km (0.077 R)
• M26: 32,007,960 km (0.101 R)
• M27: 32,241,931 km (0.103 R)
• M28: 33,069,806 km (0.108 R)
• M29: 34,399,282 km (0.082 R)
• M30: 35,513,188 km (0.09 R)
• M31: 37,812,807 km (0.089 R)
• M32: 40,618,963 km (0.049 R)
• M33: 47,396,046 km (0.038 R)
• M34: 48,465,821 km (0.087 R)
• M35: 51,290,378 km (0.084 R)
• M36: 54,889,104 km (0.117 R)
• M37: 57,782,776 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 12,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit