🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 13.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.57 AU - 0.81 AU

Year: 382 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,092,029 km

• M1: 173,085 km (0.115 R)
• M2: 701,464 km (0.08 R)
• M3: 1,145,920 km (0.05 R)
• M4: 1,575,116 km (0.081 R)
• M5: 2,042,460 km (0.07 R)
• M6: 2,474,199 km (0.067 R)
• M7: 3,019,334 km (0.065 R)
• M8: 3,656,322 km (0.062 R)
• M9: 4,142,664 km (0.079 R)
• M10: 4,644,116 km (0.061 R)
• M11: 5,216,478 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.2

Radius: 8.3

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.07 AU - 1.77 AU

Year: 1128 Days

Day: 5 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,092,029 km

• M1: 103,223 km (0.069 R)
• M2: 436,676 km (0.102 R)
• M3: 1,132,007 km (0.048 R)
• M4: 1,511,537 km (0.082 R)
• M5: 1,784,553 km (0.063 R)
• M6: 2,101,700 km (0.119 R)
• M7: 2,396,408 km (0.11 R)
• M8: 3,028,160 km (0.059 R)
• M9: 3,528,565 km (0.093 R)
• M10: 3,880,868 km (0.114 R)
• M11: 5,574,166 km (0.088 R)
• M12: 5,942,177 km (0.115 R)
• M13: 6,372,570 km (0.11 R)
• M14: 8,416,825 km (0.086 R)
• M15: 9,315,160 km (0.107 R)
• M16: 10,830,138 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 14.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.65 AU - 2.17 AU

Year: 1760 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,092,029 km

• M1: 192,532 km (0.057 R)
• M2: 759,508 km (0.073 R)
• M3: 1,551,928 km (0.108 R)
• M4: 2,040,964 km (0.097 R)
• M5: 2,674,960 km (0.084 R)
• M6: 3,153,523 km (0.049 R)
• M7: 3,604,710 km (0.115 R)
• M8: 4,480,157 km (0.115 R)
• M9: 5,053,865 km (0.079 R)
• M10: 5,516,122 km (0.117 R)
• M11: 6,706,323 km (0.12 R)
• M12: 7,211,515 km (0.109 R)
• M13: 8,389,299 km (0.101 R)
• M14: 8,945,504 km (0.115 R)
• M15: 10,235,337 km (0.113 R)
• M16: 10,943,234 km (0.038 R)
• M17: 11,721,442 km (0.113 R)
• M18: 13,223,554 km (0.117 R)
• M19: 14,984,471 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 10.1

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.62 AU - 2.76 AU

Year: 2942 Days

Day: 13.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,092,029 km

• M1: 125,662 km (0.098 R)
• M2: 652,845 km (0.103 R)
• M3: 1,026,092 km (0.083 R)
• M4: 1,356,703 km (0.086 R)
• M5: 2,162,437 km (0.076 R)
• M6: 3,813,998 km (0.109 R)
• M7: 4,175,875 km (0.082 R)
• M8: 4,560,790 km (0.06 R)
• M9: 4,899,480 km (0.086 R)
• M10: 5,401,979 km (0.044 R)
• M11: 5,859,898 km (0.044 R)
• M12: 7,390,584 km (0.114 R)
• M13: 8,651,095 km (0.116 R)
• M14: 9,243,204 km (0.065 R)
• M15: 10,547,398 km (0.076 R)
• M16: 11,182,890 km (0.068 R)
• M17: 12,794,507 km (0.039 R)
• M18: 15,646,142 km (0.115 R)
• M19: 16,159,412 km (0.055 R)
• M20: 16,683,903 km (0.055 R)
• M21: 17,766,991 km (0.097 R)
• M22: 18,156,993 km (0.056 R)

Asteroid Belt

Center: 2.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.2

Radius: 12.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.15 AU - 3.41 AU

Year: 3961 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,092,029 km

• M1: 160,219 km (0.055 R)
• M2: 783,444 km (0.113 R)
• M3: 1,392,607 km (0.109 R)
• M4: 2,293,784 km (0.057 R)
• M5: 2,731,358 km (0.063 R)
• M6: 3,288,610 km (0.07 R)
• M7: 4,276,405 km (0.108 R)
• M8: 5,074,809 km (0.101 R)
• M9: 5,637,297 km (0.067 R)
• M10: 6,781,271 km (0.113 R)
• M11: 8,074,395 km (0.097 R)
• M12: 8,591,855 km (0.102 R)
• M13: 10,348,881 km (0.091 R)
• M14: 11,070,542 km (0.118 R)
• M15: 11,864,158 km (0.102 R)
• M16: 12,735,865 km (0.112 R)
• M17: 13,607,273 km (0.041 R)
• M18: 15,011,099 km (0.03 R)
• M19: 15,748,317 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 9.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.24 AU - 4.08 AU

Year: 4669 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,092,029 km

• M1: 118,033 km (0.09 R)
• M2: 466,895 km (0.038 R)
• M3: 771,177 km (0.056 R)
• M4: 1,451,548 km (0.038 R)
• M5: 2,706,674 km (0.107 R)
• M6: 3,082,913 km (0.053 R)
• M7: 3,659,912 km (0.106 R)
• M8: 4,354,794 km (0.117 R)
• M9: 6,184,825 km (0.105 R)
• M10: 9,568,729 km (0.028 R)
• M11: 10,663,187 km (0.094 R)
• M12: 12,027,220 km (0.071 R)
• M13: 12,899,675 km (0.084 R)
• M14: 13,658,286 km (0.071 R)
• M15: 16,344,764 km (0.066 R)
• M16: 17,353,802 km (0.071 R)
• M17: 17,842,688 km (0.094 R)
• M18: 18,784,257 km (0.069 R)
• M19: 19,890,982 km (0.098 R)
• M20: 20,224,735 km (0.113 R)
• M21: 21,667,008 km (0.092 R)
• M22: 22,738,278 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 14.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.04 AU - 4.68 AU

Year: 5057 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,092,029 km

• M1: 185,352 km (0.118 R)
• M2: 658,679 km (0.116 R)
• M3: 1,248,095 km (0.116 R)
• M4: 1,717,533 km (0.091 R)
• M5: 2,337,467 km (0.088 R)
• M6: 2,946,031 km (0.076 R)
• M7: 3,441,798 km (0.115 R)
• M8: 4,037,048 km (0.103 R)
• M9: 4,676,429 km (0.036 R)
• M10: 5,570,576 km (0.073 R)
• M11: 6,073,374 km (0.059 R)
• M12: 6,853,527 km (0.052 R)
• M13: 8,541,590 km (0.071 R)
• M14: 9,289,579 km (0.084 R)
• M15: 10,576,869 km (0.051 R)
• M16: 11,395,767 km (0.062 R)
• M17: 13,111,655 km (0.072 R)
• M18: 14,364,986 km (0.099 R)
• M19: 14,888,130 km (0.111 R)
• M20: 17,876,946 km (0.09 R)
• M21: 19,164,983 km (0.086 R)
• M22: 20,252,410 km (0.051 R)
• M23: 21,044,381 km (0.11 R)
• M24: 21,651,898 km (0.093 R)
• M25: 22,690,407 km (0.12 R)
• M26: 23,834,531 km (0.085 R)
• M27: 25,470,085 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.9

Radius: 7.8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.09 AU - 6.37 AU

Year: 10370 Days

Day: 22.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,092,029 km

• M1: 110,852 km (0.083 R)
• M2: 393,442 km (0.084 R)
• M3: 1,010,085 km (0.057 R)
• M4: 1,443,470 km (0.109 R)
• M5: 1,747,752 km (0.053 R)
• M6: 2,214,647 km (0.092 R)
• M7: 2,701,588 km (0.053 R)
• M8: 3,212,614 km (0.045 R)
• M9: 3,467,529 km (0.072 R)
• M10: 3,711,224 km (0.077 R)
• M11: 4,044,977 km (0.117 R)
• M12: 4,922,518 km (0.118 R)
• M13: 5,819,208 km (0.037 R)
• M14: 6,164,479 km (0.109 R)
• M15: 8,271,266 km (0.1 R)
• M16: 9,676,140 km (0.069 R)
• M17: 11,446,032 km (0.101 R)
• M18: 12,835,348 km (0.105 R)
• M19: 13,660,679 km (0.102 R)
• M20: 14,646,828 km (0.098 R)
• M21: 16,760,048 km (0.05 R)
• M22: 17,531,225 km (0.089 R)
• M23: 19,068,642 km (0.12 R)
• M24: 19,677,356 km (0.037 R)
• M25: 20,142,306 km (0.107 R)
• M26: 21,094,048 km (0.12 R)
• M27: 21,745,098 km (0.082 R)
• M28: 23,604,599 km (0.117 R)
• M29: 24,129,538 km (0.06 R)
• M30: 28,122,156 km (0.099 R)
• M31: 28,712,170 km (0.082 R)
• M32: 30,842,294 km (0.076 R)
• M33: 31,259,522 km (0.065 R)
• M34: 31,892,620 km (0.058 R)
• M35: 32,212,461 km (0.113 R)
• M36: 42,571,515 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.2

Radius: 6.4

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.9 AU - 7.68 AU

Year: 13126 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,092,029 km

• M1: 89,310 km (0.11 R)
• M2: 373,247 km (0.093 R)
• M3: 600,486 km (0.099 R)
• M4: 943,215 km (0.119 R)
• M5: 2,387,732 km (0.091 R)
• M6: 3,127,194 km (0.078 R)
• M7: 4,781,447 km (0.112 R)
• M8: 7,031,100 km (0.031 R)
• M9: 9,326,829 km (0.065 R)
• M10: 10,898,205 km (0.114 R)
• M11: 11,776,494 km (0.094 R)
• M12: 12,018,543 km (0.047 R)
• M13: 15,546,660 km (0.086 R)
• M14: 16,734,018 km (0.117 R)
• M15: 16,963,202 km (0.112 R)
• M16: 18,872,819 km (0.041 R)
• M17: 21,635,891 km (0.037 R)
• M18: 23,684,484 km (0.073 R)
• M19: 25,253,317 km (0.113 R)
• M20: 30,034,914 km (0.101 R)
• M21: 43,897,850 km (0.117 R)
• M22: 55,521,903 km (0.09 R)
• M23: 57,234,649 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.5

Radius: 5.6

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.46 AU - 7.76 AU

Year: 13999 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,092,029 km

• M1: 70,161 km (0.098 R)
• M2: 747,391 km (0.117 R)
• M3: 992,283 km (0.101 R)
• M4: 2,135,659 km (0.114 R)
• M5: 2,738,389 km (0.095 R)
• M6: 3,067,953 km (0.102 R)
• M7: 3,832,847 km (0.069 R)
• M8: 5,159,331 km (0.097 R)
• M9: 5,696,986 km (0.11 R)
• M10: 10,343,945 km (0.059 R)
• M11: 12,327,613 km (0.09 R)
• M12: 13,102,081 km (0.103 R)
• M13: 17,174,284 km (0.08 R)
• M14: 17,763,999 km (0.076 R)
• M15: 17,988,546 km (0.09 R)
• M16: 20,258,544 km (0.119 R)
• M17: 24,608,551 km (0.054 R)
• M18: 26,315,612 km (0.08 R)
• M19: 28,815,243 km (0.043 R)
• M20: 32,018,283 km (0.111 R)
• M21: 32,239,837 km (0.095 R)
• M22: 36,526,415 km (0.105 R)
• M23: 36,768,464 km (0.114 R)
• M24: 39,628,476 km (0.049 R)
• M25: 43,985,963 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 16,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit