🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 11

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,318,231 km

• M1: 136,882 km (0.079 R)
• M2: 480,060 km (0.064 R)
• M3: 840,590 km (0.068 R)
• M4: 1,182,870 km (0.106 R)
• M5: 1,634,506 km (0.115 R)
• M6: 2,010,895 km (0.053 R)
• M7: 2,579,965 km (0.058 R)
• M8: 3,210,969 km (0.088 R)
• M9: 3,655,873 km (0.033 R)
• M10: 4,192,630 km (0.077 R)
• M11: 4,711,884 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 14.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.29 AU - 1.69 AU

Year: 1213 Days

Day: 13.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,318,231 km

• M1: 175,329 km (0.093 R)
• M2: 643,869 km (0.103 R)
• M3: 1,292,974 km (0.055 R)
• M4: 1,971,700 km (0.09 R)
• M5: 2,459,239 km (0.073 R)
• M6: 3,194,064 km (0.066 R)
• M7: 7,206,129 km (0.109 R)
• M8: 8,326,767 km (0.102 R)
• M9: 9,233,779 km (0.088 R)
• M10: 10,490,999 km (0.104 R)
• M11: 11,011,600 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.7

Radius: 12.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.56 AU - 1.98 AU

Year: 1570 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,318,231 km

• M1: 160,369 km (0.062 R)
• M2: 910,602 km (0.029 R)
• M3: 1,662,481 km (0.079 R)
• M4: 2,357,363 km (0.091 R)
• M5: 3,772,559 km (0.116 R)
• M6: 4,592,954 km (0.114 R)
• M7: 5,171,150 km (0.109 R)
• M8: 6,384,089 km (0.114 R)
• M9: 7,010,007 km (0.109 R)
• M10: 7,600,320 km (0.116 R)
• M11: 8,411,739 km (0.077 R)
• M12: 9,367,220 km (0.112 R)
• M13: 9,841,296 km (0.064 R)

Asteroid Belt

Center: 2.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.5

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.08 AU - 3.16 AU

Year: 3675 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,318,231 km

• M1: 174,431 km (0.112 R)
• M2: 783,294 km (0.115 R)
• M3: 1,254,827 km (0.036 R)
• M4: 1,856,510 km (0.09 R)
• M5: 2,433,509 km (0.052 R)
• M6: 3,367,149 km (0.074 R)
• M7: 4,447,844 km (0.08 R)
• M8: 4,919,077 km (0.052 R)
• M9: 7,427,684 km (0.106 R)
• M10: 8,244,339 km (0.105 R)
• M11: 9,217,622 km (0.104 R)
• M12: 10,513,439 km (0.11 R)
• M13: 11,131,129 km (0.106 R)
• M14: 12,005,229 km (0.1 R)
• M15: 13,761,807 km (0.1 R)
• M16: 14,903,837 km (0.087 R)
• M17: 15,544,416 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 14.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.01 AU - 3.67 AU

Year: 4071 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,318,231 km

• M1: 183,108 km (0.096 R)
• M2: 763,697 km (0.086 R)
• M3: 1,361,341 km (0.034 R)
• M4: 2,242,472 km (0.053 R)
• M5: 2,938,252 km (0.093 R)
• M6: 3,615,481 km (0.107 R)
• M7: 4,886,614 km (0.119 R)
• M8: 6,092,822 km (0.066 R)
• M9: 7,295,739 km (0.095 R)
• M10: 7,785,821 km (0.085 R)
• M11: 8,760,003 km (0.037 R)
• M12: 9,276,714 km (0.069 R)
• M13: 9,813,920 km (0.119 R)
• M14: 10,534,981 km (0.071 R)
• M15: 13,828,378 km (0.11 R)
• M16: 14,735,540 km (0.038 R)
• M17: 15,682,195 km (0.097 R)
• M18: 18,048,684 km (0.087 R)
• M19: 19,941,845 km (0.066 R)
• M20: 20,515,553 km (0.12 R)
• M21: 21,165,705 km (0.111 R)
• M22: 22,166,964 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 8.7

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.85 AU - 4.01 AU

Year: 4236 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,318,231 km

• M1: 108,458 km (0.085 R)
• M2: 504,743 km (0.091 R)
• M3: 1,169,556 km (0.108 R)
• M4: 1,742,666 km (0.089 R)
• M5: 2,302,012 km (0.098 R)
• M6: 2,641,001 km (0.076 R)
• M7: 4,250,375 km (0.111 R)
• M8: 4,538,799 km (0.114 R)
• M9: 4,995,821 km (0.103 R)
• M10: 5,624,282 km (0.089 R)
• M11: 6,182,431 km (0.087 R)
• M12: 6,459,337 km (0.093 R)
• M13: 6,744,620 km (0.034 R)
• M14: 7,792,553 km (0.109 R)
• M15: 9,623,781 km (0.049 R)
• M16: 11,865,654 km (0.101 R)
• M17: 14,009,093 km (0.105 R)
• M18: 16,930,739 km (0.069 R)
• M19: 17,231,580 km (0.027 R)
• M20: 20,506,427 km (0.111 R)
• M21: 23,200,835 km (0.106 R)
• M22: 23,646,786 km (0.097 R)
• M23: 23,947,328 km (0.114 R)
• M24: 25,331,258 km (0.117 R)
• M25: 26,849,078 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 14.7

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.96 AU - 4.06 AU

Year: 4385 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,318,231 km

• M1: 182,809 km (0.096 R)
• M2: 702,960 km (0.096 R)
• M3: 1,170,603 km (0.084 R)
• M4: 2,050,538 km (0.098 R)
• M5: 2,860,311 km (0.099 R)
• M6: 3,989,326 km (0.042 R)
• M7: 4,877,938 km (0.099 R)
• M8: 5,985,710 km (0.118 R)
• M9: 6,615,966 km (0.119 R)
• M10: 8,936,079 km (0.12 R)
• M11: 9,425,264 km (0.103 R)
• M12: 10,149,019 km (0.108 R)
• M13: 12,645,957 km (0.115 R)
• M14: 13,107,466 km (0.054 R)
• M15: 13,580,345 km (0.119 R)
• M16: 15,762,529 km (0.108 R)
• M17: 17,404,515 km (0.086 R)
• M18: 21,169,445 km (0.081 R)
• M19: 23,165,679 km (0.109 R)
• M20: 25,772,721 km (0.079 R)
• M21: 28,482,088 km (0.105 R)
• M22: 30,360,140 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 13.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.84 AU - 5.68 AU

Year: 6925 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,318,231 km

• M1: 165,605 km (0.116 R)
• M2: 612,603 km (0.066 R)
• M3: 1,034,020 km (0.111 R)
• M4: 1,661,135 km (0.079 R)
• M5: 2,375,913 km (0.081 R)
• M6: 3,353,835 km (0.113 R)
• M7: 3,838,382 km (0.062 R)
• M8: 5,394,948 km (0.105 R)
• M9: 6,540,120 km (0.076 R)
• M10: 7,301,423 km (0.074 R)
• M11: 8,120,920 km (0.104 R)
• M12: 10,705,373 km (0.108 R)
• M13: 15,110,881 km (0.04 R)
• M14: 16,053,946 km (0.1 R)
• M15: 16,770,071 km (0.119 R)
• M16: 19,924,043 km (0.092 R)
• M17: 21,367,363 km (0.1 R)
• M18: 22,716,885 km (0.054 R)
• M19: 24,122,507 km (0.034 R)
• M20: 25,673,239 km (0.03 R)
• M21: 27,289,494 km (0.094 R)
• M22: 28,972,620 km (0.082 R)
• M23: 35,847,839 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.4

Radius: 3.1

Gravity: 89.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.14 AU - 8.48 AU

Year: 14555 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,318,231 km

• M1: 58,493 km (0.09 R)
• M2: 158,873 km (0.037 R)
• M3: 280,646 km (0.086 R)
• M4: 584,928 km (0.111 R)
• M5: 725,250 km (0.105 R)
• M6: 824,135 km (0.099 R)
• M7: 1,882,390 km (0.086 R)
• M8: 2,051,585 km (0.092 R)
• M9: 3,423,098 km (0.045 R)
• M10: 3,970,178 km (0.084 R)
• M11: 4,344,472 km (0.062 R)
• M12: 4,741,654 km (0.097 R)
• M13: 6,323,053 km (0.035 R)
• M14: 6,789,051 km (0.101 R)
• M15: 7,788,664 km (0.118 R)
• M16: 8,423,258 km (0.039 R)
• M17: 9,794,771 km (0.102 R)
• M18: 10,359,653 km (0.061 R)
• M19: 11,247,217 km (0.055 R)
• M20: 11,616,125 km (0.075 R)
• M21: 12,970,584 km (0.073 R)
• M22: 13,789,932 km (0.118 R)
• M23: 14,283,455 km (0.117 R)
• M24: 15,231,307 km (0.086 R)
• M25: 15,758,490 km (0.11 R)
• M26: 24,880,519 km (0.052 R)
• M27: 30,533,823 km (0.05 R)
• M28: 31,010,292 km (0.086 R)
• M29: 31,855,969 km (0.113 R)
• M30: 31,978,041 km (0.035 R)
• M31: 32,100,412 km (0.034 R)
• M32: 37,936,374 km (0.079 R)
• M33: 58,495,460 km (0.072 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: 376 - 18,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit