🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.1

Radius: 14.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.51 AU - 0.65 AU

Year: 295 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 59,104,523 km

• M1: 177,872 km (0.115 R)
• M2: 831,914 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 14.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.56 AU - 0.84 AU

Year: 391 Days

Day: 8 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,104,523 km

• M1: 176,974 km (0.086 R)
• M2: 630,555 km (0.08 R)
• M3: 1,399,189 km (0.091 R)
• M4: 2,254,889 km (0.105 R)
• M5: 2,875,570 km (0.11 R)
• M6: 3,427,736 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 8.3

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.86 AU - 0.88 AU

Year: 541 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,104,523 km

• M1: 103,223 km (0.088 R)
• M2: 423,811 km (0.115 R)
• M3: 761,603 km (0.105 R)
• M4: 1,243,308 km (0.103 R)
• M5: 1,585,289 km (0.112 R)
• M6: 1,860,698 km (0.064 R)
• M7: 2,194,750 km (0.118 R)
• M8: 2,628,135 km (0.065 R)
• M9: 3,117,620 km (0.069 R)
• M10: 3,384,502 km (0.069 R)
• M11: 4,017,900 km (0.093 R)
• M12: 4,492,274 km (0.108 R)
• M13: 4,987,892 km (0.087 R)
• M14: 5,670,806 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 8.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.17 AU - 1.55 AU

Year: 1058 Days

Day: 10.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,104,523 km

• M1: 106,962 km (0.072 R)
• M2: 436,078 km (0.103 R)
• M3: 751,879 km (0.098 R)
• M4: 1,255,725 km (0.07 R)
• M5: 1,569,431 km (0.098 R)
• M6: 1,849,478 km (0.088 R)
• M7: 2,134,911 km (0.118 R)
• M8: 2,864,500 km (0.074 R)
• M9: 3,480,694 km (0.112 R)
• M10: 4,020,443 km (0.063 R)
• M11: 4,379,627 km (0.112 R)
• M12: 7,153,770 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.2

Radius: 13.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.41 AU - 2.11 AU

Year: 1557 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,104,523 km

• M1: 171,589 km (0.085 R)
• M2: 698,472 km (0.079 R)
• M3: 1,434,793 km (0.117 R)
• M4: 1,912,609 km (0.105 R)
• M5: 2,359,308 km (0.101 R)
• M6: 3,080,519 km (0.104 R)
• M7: 3,998,452 km (0.068 R)
• M8: 4,660,123 km (0.107 R)
• M9: 5,940,831 km (0.081 R)
• M10: 6,549,844 km (0.111 R)
• M11: 8,124,361 km (0.059 R)
• M12: 9,000,556 km (0.053 R)
• M13: 9,608,073 km (0.112 R)
• M14: 10,693,405 km (0.115 R)
• M15: 11,559,727 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 8.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.28 AU - 5.32 AU

Year: 5946 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,104,523 km

• M1: 108,309 km (0.109 R)
• M2: 485,595 km (0.116 R)
• M3: 767,138 km (0.118 R)
• M4: 1,089,222 km (0.12 R)
• M5: 1,371,214 km (0.114 R)
• M6: 2,003,265 km (0.075 R)
• M7: 2,481,380 km (0.111 R)
• M8: 3,015,295 km (0.07 R)
• M9: 3,540,832 km (0.05 R)
• M10: 4,799,997 km (0.106 R)
• M11: 5,545,144 km (0.108 R)
• M12: 6,063,501 km (0.102 R)
• M13: 7,297,534 km (0.11 R)
• M14: 7,991,668 km (0.1 R)
• M15: 9,471,041 km (0.04 R)
• M16: 11,259,633 km (0.116 R)
• M17: 12,473,321 km (0.036 R)
• M18: 12,814,554 km (0.115 R)
• M19: 14,722,674 km (0.062 R)
• M20: 18,395,153 km (0.117 R)
• M21: 24,410,184 km (0.118 R)
• M22: 24,714,615 km (0.105 R)
• M23: 26,674,946 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 12

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.8 AU - 4.94 AU

Year: 6092 Days

Day: 6.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,104,523 km

• M1: 149,299 km (0.05 R)
• M2: 773,870 km (0.097 R)
• M3: 1,617,901 km (0.106 R)
• M4: 2,190,113 km (0.115 R)
• M5: 2,599,263 km (0.043 R)
• M6: 3,680,108 km (0.107 R)
• M7: 4,334,897 km (0.081 R)
• M8: 5,907,321 km (0.088 R)
• M9: 6,424,032 km (0.115 R)
• M10: 7,583,266 km (0.058 R)
• M11: 11,756,747 km (0.036 R)
• M12: 12,331,502 km (0.043 R)
• M13: 13,745,501 km (0.117 R)
• M14: 16,713,673 km (0.099 R)
• M15: 20,152,928 km (0.111 R)
• M16: 23,734,301 km (0.087 R)
• M17: 25,278,599 km (0.088 R)
• M18: 27,302,060 km (0.06 R)
• M19: 28,141,005 km (0.073 R)
• M20: 28,910,537 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 10.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.13 AU - 5.25 AU

Year: 7885 Days

Day: 8.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,104,523 km

• M1: 130,599 km (0.062 R)
• M2: 471,084 km (0.057 R)
• M3: 1,331,271 km (0.087 R)
• M4: 2,208,663 km (0.071 R)
• M5: 3,550,107 km (0.116 R)
• M6: 3,963,895 km (0.079 R)
• M7: 4,328,764 km (0.087 R)
• M8: 5,006,742 km (0.109 R)
• M9: 6,538,474 km (0.107 R)
• M10: 10,113,564 km (0.064 R)
• M11: 11,254,846 km (0.115 R)
• M12: 12,757,706 km (0.06 R)
• M13: 13,557,457 km (0.099 R)
• M14: 14,572,927 km (0.083 R)
• M15: 16,957,667 km (0.062 R)
• M16: 18,421,033 km (0.105 R)
• M17: 20,966,291 km (0.061 R)
• M18: 21,518,008 km (0.085 R)
• M19: 24,423,199 km (0.079 R)
• M20: 25,565,977 km (0.07 R)
• M21: 26,105,128 km (0.095 R)
• M22: 29,797,053 km (0.1 R)
• M23: 32,863,660 km (0.11 R)
• M24: 33,501,396 km (0.119 R)
• M25: 34,582,390 km (0.113 R)
• M26: 39,497,129 km (0.115 R)
• M27: 40,097,316 km (0.082 R)
• M28: 40,825,409 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 13.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.52 AU - 6.66 AU

Year: 8813 Days

Day: 6.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 129.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,104,523 km

• M1: 164,258 km (0.098 R)
• M2: 709,692 km (0.092 R)
• M3: 1,182,122 km (0.043 R)
• M4: 1,932,655 km (0.109 R)
• M5: 2,343,301 km (0.114 R)
• M6: 2,918,654 km (0.103 R)
• M7: 3,538,139 km (0.117 R)
• M8: 4,299,892 km (0.11 R)
• M9: 5,833,419 km (0.067 R)
• M10: 6,442,881 km (0.106 R)
• M11: 6,859,661 km (0.109 R)
• M12: 10,252,840 km (0.101 R)
• M13: 11,634,077 km (0.07 R)
• M14: 13,135,890 km (0.095 R)
• M15: 16,242,439 km (0.041 R)
• M16: 17,597,347 km (0.115 R)
• M17: 18,340,250 km (0.097 R)
• M18: 21,271,620 km (0.104 R)
• M19: 23,688,374 km (0.077 R)
• M20: 24,229,170 km (0.118 R)
• M21: 26,959,930 km (0.116 R)
• M22: 28,348,946 km (0.104 R)
• M23: 34,042,043 km (0.101 R)
• M24: 35,782,015 km (0.066 R)
• M25: 36,854,034 km (0.068 R)
• M26: 43,337,456 km (0.103 R)
• M27: 47,628,671 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.8

Radius: 5.6

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.33 AU - 11.55 AU

Year: 22495 Days

Day: 20.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,104,523 km

• M1: 541,993 km (0.072 R)
• M2: 778,657 km (0.07 R)
• M3: 992,133 km (0.117 R)
• M4: 1,244,654 km (0.092 R)
• M5: 1,679,535 km (0.107 R)
• M6: 3,182,844 km (0.095 R)
• M7: 3,962,399 km (0.111 R)
• M8: 4,829,169 km (0.114 R)
• M9: 6,356,713 km (0.053 R)
• M10: 6,930,271 km (0.091 R)
• M11: 7,404,795 km (0.087 R)
• M12: 8,133,337 km (0.105 R)
• M13: 10,107,431 km (0.086 R)
• M14: 10,887,883 km (0.113 R)
• M15: 13,469,493 km (0.048 R)
• M16: 14,621,247 km (0.097 R)
• M17: 15,763,876 km (0.071 R)
• M18: 17,904,771 km (0.032 R)
• M19: 20,318,532 km (0.076 R)
• M20: 23,224,471 km (0.071 R)
• M21: 23,992,058 km (0.114 R)
• M22: 27,231,600 km (0.079 R)
• M23: 29,397,777 km (0.118 R)
• M24: 29,844,326 km (0.118 R)
• M25: 32,619,517 km (0.097 R)
• M26: 39,482,917 km (0.114 R)
• M27: 40,437,501 km (0.056 R)
• M28: 41,827,864 km (0.092 R)
• M29: 43,682,429 km (0.113 R)
• M30: 44,118,058 km (0.099 R)
• M31: 44,703,434 km (0.1 R)
• M32: 45,740,297 km (0.05 R)
• M33: 47,248,991 km (0.097 R)
• M34: 47,708,107 km (0.059 R)
• M35: 50,047,968 km (0.091 R)
• M36: 55,124,123 km (0.109 R)
• M37: 57,351,186 km (0.109 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: 398 - 17,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit