🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 8.5

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 443 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,298,591 km

• M1: 105,766 km (0.041 R)
• M2: 382,671 km (0.075 R)
• M3: 655,538 km (0.1 R)
• M4: 1,060,948 km (0.106 R)
• M5: 1,331,870 km (0.068 R)
• M6: 1,600,398 km (0.099 R)
• M7: 2,043,208 km (0.081 R)
• M8: 2,339,412 km (0.107 R)
• M9: 2,614,821 km (0.109 R)
• M10: 2,943,936 km (0.118 R)
• M11: 3,394,226 km (0.107 R)
• M12: 4,196,071 km (0.076 R)
• M13: 5,373,406 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 9.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.82 AU - 1.26 AU

Year: 696 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,298,591 km

• M1: 121,922 km (0.081 R)
• M2: 461,210 km (0.036 R)
• M3: 823,387 km (0.084 R)
• M4: 1,386,174 km (0.041 R)
• M5: 1,741,618 km (0.055 R)
• M6: 2,353,025 km (0.055 R)
• M7: 2,864,650 km (0.098 R)
• M8: 3,729,774 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.96 AU - 1.4 AU

Year: 841 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,298,591 km

• M1: 181,013 km (0.045 R)
• M2: 672,442 km (0.063 R)
• M3: 1,220,569 km (0.067 R)
• M4: 3,081,866 km (0.12 R)
• M5: 3,758,796 km (0.052 R)
• M6: 4,313,804 km (0.1 R)
• M7: 6,873,125 km (0.047 R)
• M8: 7,560,078 km (0.093 R)
• M9: 8,214,569 km (0.09 R)
• M10: 9,295,264 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 15

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.99 AU - 1.47 AU

Year: 895 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,298,591 km

• M1: 192,084 km (0.101 R)
• M2: 690,843 km (0.088 R)
• M3: 1,491,790 km (0.098 R)
• M4: 2,040,066 km (0.03 R)
• M5: 2,513,843 km (0.114 R)
• M6: 3,414,871 km (0.078 R)
• M7: 4,139,971 km (0.07 R)
• M8: 4,731,930 km (0.116 R)
• M9: 6,541,466 km (0.062 R)
• M10: 7,372,482 km (0.047 R)
• M11: 7,964,740 km (0.083 R)
• M12: 8,562,234 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.4

Radius: 14.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.23 AU - 1.93 AU

Year: 1303 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,298,591 km

• M1: 180,265 km (0.108 R)
• M2: 711,188 km (0.086 R)
• M3: 1,354,609 km (0.049 R)
• M4: 1,809,087 km (0.072 R)
• M5: 2,412,116 km (0.116 R)
• M6: 3,041,923 km (0.077 R)
• M7: 4,046,473 km (0.049 R)
• M8: 5,301,001 km (0.074 R)
• M9: 5,987,356 km (0.08 R)
• M10: 6,440,637 km (0.034 R)
• M11: 8,068,561 km (0.1 R)
• M12: 8,595,894 km (0.115 R)
• M13: 9,062,340 km (0.081 R)
• M14: 10,410,217 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 11.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.71 AU - 1.73 AU

Year: 1480 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,298,591 km

• M1: 145,559 km (0.079 R)
• M2: 872,455 km (0.107 R)
• M3: 1,264,850 km (0.056 R)
• M4: 1,853,218 km (0.099 R)
• M5: 3,534,998 km (0.097 R)
• M6: 3,936,369 km (0.117 R)
• M7: 4,396,233 km (0.095 R)
• M8: 5,153,497 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 8.7

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.38 AU - 3.1 AU

Year: 2975 Days

Day: 10.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 89.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,298,591 km

• M1: 118,482 km (0.071 R)
• M2: 566,527 km (0.081 R)
• M3: 1,178,233 km (0.093 R)
• M4: 1,644,679 km (0.108 R)
• M5: 1,980,975 km (0.096 R)
• M6: 2,529,102 km (0.085 R)
• M7: 3,258,990 km (0.071 R)
• M8: 3,737,852 km (0.072 R)
• M9: 4,043,331 km (0.09 R)
• M10: 4,575,600 km (0.07 R)
• M11: 5,223,509 km (0.12 R)
• M12: 5,655,548 km (0.076 R)
• M13: 5,956,688 km (0.066 R)
• M14: 6,729,062 km (0.037 R)
• M15: 7,328,949 km (0.028 R)
• M16: 9,274,320 km (0.099 R)
• M17: 9,801,054 km (0.05 R)
• M18: 10,163,081 km (0.099 R)
• M19: 11,029,851 km (0.028 R)
• M20: 11,501,234 km (0.112 R)
• M21: 12,150,489 km (0.1 R)
• M22: 12,484,242 km (0.061 R)
• M23: 12,824,128 km (0.098 R)
• M24: 13,880,738 km (0.08 R)
• M25: 14,245,607 km (0.054 R)
• M26: 14,994,494 km (0.087 R)
• M27: 15,330,191 km (0.044 R)
• M28: 16,519,644 km (0.055 R)
• M29: 17,033,064 km (0.084 R)
• M30: 17,663,021 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 3.7

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.46 AU - 6.6 AU

Year: 9714 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 83.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,298,591 km

• M1: 49,218 km (0.119 R)
• M2: 338,839 km (0.041 R)
• M3: 683,812 km (0.086 R)
• M4: 1,313,320 km (0.057 R)
• M5: 1,435,840 km (0.113 R)
• M6: 2,063,403 km (0.088 R)
• M7: 2,245,314 km (0.08 R)
• M8: 2,572,186 km (0.093 R)
• M9: 2,874,373 km (0.035 R)
• M10: 5,541,404 km (0.095 R)
• M11: 6,105,239 km (0.072 R)
• M12: 6,448,715 km (0.108 R)
• M13: 7,486,177 km (0.065 R)
• M14: 9,344,781 km (0.076 R)
• M15: 10,445,971 km (0.108 R)
• M16: 10,622,795 km (0.103 R)
• M17: 11,073,384 km (0.058 R)
• M18: 11,868,646 km (0.118 R)
• M19: 13,311,667 km (0.08 R)
• M20: 18,399,491 km (0.102 R)
• M21: 18,917,698 km (0.115 R)
• M22: 21,299,595 km (0.077 R)
• M23: 22,599,002 km (0.028 R)
• M24: 23,645,439 km (0.084 R)
• M25: 28,240,488 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.1

Radius: 7.4

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.17 AU - 7.85 AU

Year: 13501 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,298,591 km

• M1: 92,302 km (0.085 R)
• M2: 343,926 km (0.101 R)
• M3: 1,090,120 km (0.105 R)
• M4: 1,539,811 km (0.108 R)
• M5: 2,387,432 km (0.105 R)
• M6: 2,854,178 km (0.082 R)
• M7: 3,301,326 km (0.115 R)
• M8: 3,851,846 km (0.055 R)
• M9: 4,149,396 km (0.096 R)
• M10: 4,430,191 km (0.068 R)
• M11: 4,995,372 km (0.073 R)
• M12: 5,873,811 km (0.109 R)
• M13: 6,937,452 km (0.092 R)
• M14: 7,606,753 km (0.111 R)
• M15: 7,980,897 km (0.031 R)
• M16: 9,494,079 km (0.118 R)
• M17: 12,879,778 km (0.094 R)
• M18: 14,096,757 km (0.088 R)
• M19: 17,877,394 km (0.078 R)
• M20: 18,876,110 km (0.113 R)
• M21: 28,241,984 km (0.078 R)
• M22: 31,944,531 km (0.105 R)
• M23: 34,037,256 km (0.064 R)
• M24: 35,698,091 km (0.116 R)
• M25: 36,482,582 km (0.047 R)
• M26: 38,221,508 km (0.1 R)
• M27: 40,436,753 km (0.118 R)
• M28: 41,146,146 km (0.074 R)
• M29: 43,472,094 km (0.094 R)
• M30: 43,768,896 km (0.072 R)
• M31: 46,811,567 km (0.09 R)
• M32: 48,225,566 km (0.084 R)
• M33: 49,830,004 km (0.12 R)
• M34: 52,470,406 km (0.105 R)
• M35: 57,669,830 km (0.054 R)
• M36: 62,068,905 km (0.062 R)
• M37: 63,583,583 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.3

Radius: 7.7

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.16 AU - 8.42 AU

Year: 15658 Days

Day: 22.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,298,591 km

• M1: 95,743 km (0.072 R)
• M2: 462,856 km (0.106 R)
• M3: 849,866 km (0.078 R)
• M4: 1,286,392 km (0.086 R)
• M5: 1,533,528 km (0.099 R)
• M6: 2,265,061 km (0.113 R)
• M7: 3,133,327 km (0.069 R)
• M8: 6,048,392 km (0.12 R)
• M9: 6,414,457 km (0.11 R)
• M10: 6,838,418 km (0.107 R)
• M11: 9,566,485 km (0.113 R)
• M12: 10,120,146 km (0.116 R)
• M13: 10,578,365 km (0.111 R)
• M14: 11,474,605 km (0.076 R)
• M15: 11,722,040 km (0.11 R)
• M16: 16,966,942 km (0.078 R)
• M17: 18,192,896 km (0.117 R)
• M18: 19,128,781 km (0.12 R)
• M19: 20,007,070 km (0.066 R)
• M20: 21,003,990 km (0.067 R)
• M21: 22,320,152 km (0.082 R)
• M22: 27,250,299 km (0.089 R)
• M23: 29,042,631 km (0.063 R)
• M24: 31,151,363 km (0.09 R)
• M25: 38,086,720 km (0.025 R)
• M26: 38,776,516 km (0.066 R)
• M27: 41,040,231 km (0.108 R)
• M28: 53,003,722 km (0.062 R)
• M29: 58,120,418 km (0.031 R)
• M30: 65,704,582 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 12,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit