🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.4

Radius: 8.4

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.96 AU - 1.28 AU

Year: 765 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,217,167 km

• M1: 104,419 km (0.089 R)
• M2: 408,103 km (0.111 R)
• M3: 703,110 km (0.043 R)
• M4: 1,119,890 km (0.091 R)
• M5: 1,523,355 km (0.052 R)
• M6: 1,817,614 km (0.086 R)
• M7: 2,221,080 km (0.036 R)
• M8: 2,671,668 km (0.06 R)
• M9: 3,481,890 km (0.08 R)
• M10: 4,044,528 km (0.042 R)
• M11: 4,735,521 km (0.113 R)
• M12: 5,073,013 km (0.118 R)
• M13: 5,776,273 km (0.082 R)
• M14: 6,266,356 km (0.074 R)
• M15: 6,717,543 km (0.117 R)
• M16: 7,098,569 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.5

Radius: 14.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.11 AU - 1.21 AU

Year: 807 Days

Day: 12.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,217,167 km

• M1: 182,809 km (0.096 R)
• M2: 664,215 km (0.034 R)
• M3: 1,532,331 km (0.089 R)
• M4: 2,075,371 km (0.059 R)
• M5: 2,800,023 km (0.103 R)
• M6: 3,500,141 km (0.118 R)
• M7: 4,286,428 km (0.11 R)
• M8: 4,931,643 km (0.076 R)
• M9: 5,453,441 km (0.094 R)
• M10: 6,231,350 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 10.2

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.04 AU - 1.6 AU

Year: 979 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,217,167 km

• M1: 127,009 km (0.117 R)
• M2: 541,095 km (0.061 R)
• M3: 921,523 km (0.084 R)
• M4: 1,627,924 km (0.066 R)
• M5: 2,007,155 km (0.062 R)
• M6: 2,802,567 km (0.1 R)
• M7: 3,294,594 km (0.096 R)
• M8: 3,875,632 km (0.043 R)
• M9: 4,487,936 km (0.107 R)
• M10: 4,912,046 km (0.09 R)
• M11: 5,927,217 km (0.062 R)
• M12: 6,461,581 km (0.087 R)
• M13: 7,199,098 km (0.105 R)
• M14: 7,781,932 km (0.066 R)
• M15: 8,423,258 km (0.075 R)
• M16: 9,480,466 km (0.072 R)
• M17: 9,964,265 km (0.047 R)
• M18: 10,785,408 km (0.093 R)
• M19: 11,245,870 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 14.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.51 AU - 1.93 AU

Year: 1456 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,217,167 km

• M1: 200,910 km (0.091 R)
• M2: 791,373 km (0.118 R)
• M3: 1,424,920 km (0.078 R)
• M4: 2,540,770 km (0.113 R)
• M5: 3,490,118 km (0.11 R)
• M6: 4,588,167 km (0.043 R)
• M7: 5,083,635 km (0.103 R)
• M8: 5,549,333 km (0.061 R)
• M9: 6,278,024 km (0.119 R)
• M10: 7,679,307 km (0.086 R)
• M11: 8,323,925 km (0.11 R)
• M12: 8,883,271 km (0.114 R)
• M13: 11,556,436 km (0.038 R)
• M14: 12,366,658 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.8

Radius: 9.5

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.47 AU - 2.61 AU

Year: 2614 Days

Day: 12.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,217,167 km

• M1: 119,828 km (0.1 R)
• M2: 657,782 km (0.105 R)
• M3: 1,114,504 km (0.049 R)
• M4: 1,519,765 km (0.049 R)
• M5: 3,605,009 km (0.069 R)
• M6: 5,064,486 km (0.069 R)
• M7: 5,568,033 km (0.056 R)
• M8: 6,385,585 km (0.094 R)
• M9: 7,343,610 km (0.101 R)
• M10: 8,292,060 km (0.1 R)
• M11: 9,769,489 km (0.119 R)
• M12: 11,929,832 km (0.09 R)
• M13: 19,554,087 km (0.098 R)
• M14: 19,859,117 km (0.082 R)
• M15: 20,353,538 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 10.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.98 AU - 3.22 AU

Year: 2707 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,217,167 km

• M1: 129,402 km (0.037 R)
• M2: 1,102,985 km (0.033 R)
• M3: 1,764,058 km (0.092 R)
• M4: 2,191,310 km (0.085 R)
• M5: 2,702,336 km (0.116 R)
• M6: 3,598,427 km (0.108 R)
• M7: 4,376,336 km (0.078 R)
• M8: 5,024,693 km (0.097 R)
• M9: 5,433,694 km (0.085 R)
• M10: 6,129,324 km (0.07 R)
• M11: 6,681,938 km (0.071 R)
• M12: 7,177,556 km (0.08 R)
• M13: 7,541,977 km (0.068 R)
• M14: 8,308,217 km (0.117 R)
• M15: 8,812,960 km (0.111 R)
• M16: 10,412,461 km (0.089 R)
• M17: 13,709,448 km (0.08 R)
• M18: 14,129,968 km (0.063 R)
• M19: 15,443,287 km (0.114 R)
• M20: 16,519,644 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.1

Radius: 14.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.23 AU - 4.69 AU

Year: 6082 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,217,167 km

• M1: 182,809 km (0.077 R)
• M2: 2,446,075 km (0.068 R)
• M3: 3,200,198 km (0.08 R)
• M4: 4,352,101 km (0.087 R)
• M5: 9,517,417 km (0.093 R)
• M6: 11,549,704 km (0.103 R)
• M7: 13,581,691 km (0.084 R)
• M8: 16,719,058 km (0.086 R)

Asteroid Belt

Center: 6.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.5

Radius: 5.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.7 AU - 10.48 AU

Year: 16256 Days

Day: 18.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,217,167 km

• M1: 69,713 km (0.089 R)
• M2: 385,963 km (0.047 R)
• M3: 629,059 km (0.052 R)
• M4: 924,515 km (0.1 R)
• M5: 1,321,398 km (0.057 R)
• M6: 2,303,209 km (0.073 R)
• M7: 2,543,014 km (0.112 R)
• M8: 3,975,713 km (0.088 R)
• M9: 4,775,014 km (0.117 R)
• M10: 5,013,174 km (0.055 R)
• M11: 5,385,374 km (0.114 R)
• M12: 5,742,464 km (0.074 R)
• M13: 6,468,014 km (0.106 R)
• M14: 8,016,202 km (0.074 R)
• M15: 9,748,545 km (0.115 R)
• M16: 15,753,105 km (0.104 R)
• M17: 17,584,631 km (0.099 R)
• M18: 18,225,359 km (0.075 R)
• M19: 18,514,980 km (0.074 R)
• M20: 22,317,758 km (0.06 R)
• M21: 26,148,810 km (0.092 R)
• M22: 26,889,469 km (0.07 R)
• M23: 27,548,897 km (0.038 R)
• M24: 30,294,915 km (0.07 R)
• M25: 32,048,202 km (0.088 R)
• M26: 35,417,445 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.8

Radius: 6.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.92 AU - 9.36 AU

Year: 16398 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,217,167 km

• M1: 80,932 km (0.113 R)
• M2: 468,840 km (0.039 R)
• M3: 1,018,911 km (0.064 R)
• M4: 1,279,062 km (0.098 R)
• M5: 1,608,476 km (0.109 R)
• M6: 2,576,674 km (0.069 R)
• M7: 7,367,396 km (0.116 R)
• M8: 8,424,903 km (0.059 R)
• M9: 9,031,223 km (0.114 R)
• M10: 11,998,796 km (0.079 R)
• M11: 15,738,594 km (0.11 R)
• M12: 18,533,082 km (0.08 R)
• M13: 23,949,871 km (0.093 R)
• M14: 28,241,834 km (0.119 R)
• M15: 29,779,251 km (0.04 R)
• M16: 31,754,392 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.5

Radius: 7.7

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.34 AU - 11.52 AU

Year: 18697 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,217,167 km

• M1: 95,892 km (0.056 R)
• M2: 344,673 km (0.105 R)
• M3: 608,415 km (0.075 R)
• M4: 1,817,165 km (0.098 R)
• M5: 2,068,639 km (0.112 R)
• M6: 2,511,599 km (0.107 R)
• M7: 2,825,305 km (0.085 R)
• M8: 3,754,308 km (0.057 R)
• M9: 4,227,037 km (0.057 R)
• M10: 4,772,322 km (0.097 R)
• M11: 6,691,064 km (0.098 R)
• M12: 7,296,935 km (0.102 R)
• M13: 7,705,338 km (0.095 R)
• M14: 10,483,370 km (0.054 R)
• M15: 13,459,171 km (0.04 R)
• M16: 17,996,624 km (0.102 R)
• M17: 20,384,206 km (0.119 R)
• M18: 20,831,653 km (0.107 R)
• M19: 21,561,392 km (0.065 R)
• M20: 23,265,162 km (0.104 R)
• M21: 23,655,762 km (0.042 R)
• M22: 24,249,665 km (0.107 R)
• M23: 24,752,164 km (0.045 R)
• M24: 25,570,465 km (0.09 R)
• M25: 28,465,932 km (0.063 R)
• M26: 30,281,152 km (0.06 R)
• M27: 45,500,492 km (0.058 R)
• M28: 46,572,959 km (0.058 R)
• M29: 55,246,344 km (0.113 R)
• M30: 56,116,256 km (0.115 R)
• M31: 58,241,144 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 10,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit