🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.3

Radius: 13.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.6 AU - 0.98 AU

Year: 468 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,727,603 km

• M1: 166,652 km (0.043 R)
• M2: 694,882 km (0.108 R)
• M3: 1,721,273 km (0.078 R)
• M4: 2,314,877 km (0.031 R)
• M5: 2,784,465 km (0.051 R)
• M6: 3,257,793 km (0.107 R)
• M7: 3,773,756 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 8.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.94 AU - 1.5 AU

Year: 899 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,727,603 km

• M1: 103,223 km (0.102 R)
• M2: 467,493 km (0.095 R)
• M3: 850,314 km (0.099 R)
• M4: 1,215,483 km (0.05 R)
• M5: 1,784,254 km (0.045 R)
• M6: 2,120,101 km (0.04 R)
• M7: 2,497,985 km (0.098 R)
• M8: 2,860,610 km (0.076 R)
• M9: 3,130,036 km (0.115 R)
• M10: 3,497,598 km (0.063 R)
• M11: 4,241,399 km (0.108 R)
• M12: 4,827,224 km (0.076 R)
• M13: 5,210,943 km (0.098 R)
• M14: 6,079,508 km (0.074 R)
• M15: 6,548,348 km (0.102 R)
• M16: 7,285,566 km (0.114 R)
• M17: 7,558,582 km (0.108 R)
• M18: 8,028,768 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.8

Radius: 14.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.19 AU - 1.85 AU

Year: 1250 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,727,603 km

• M1: 181,612 km (0.109 R)
• M2: 732,431 km (0.058 R)
• M3: 1,425,518 km (0.115 R)
• M4: 1,973,346 km (0.059 R)
• M5: 2,672,716 km (0.051 R)
• M6: 3,215,905 km (0.081 R)
• M7: 3,995,759 km (0.091 R)
• M8: 4,898,881 km (0.116 R)
• M9: 5,476,329 km (0.063 R)
• M10: 6,266,505 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 14.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.58 AU - 2.18 AU

Year: 1719 Days

Day: 13 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,727,603 km

• M1: 177,872 km (0.089 R)
• M2: 660,325 km (0.081 R)
• M3: 1,136,046 km (0.107 R)
• M4: 1,662,481 km (0.08 R)
• M5: 2,149,123 km (0.093 R)
• M6: 3,168,333 km (0.071 R)
• M7: 3,668,439 km (0.08 R)
• M8: 4,334,897 km (0.078 R)
• M9: 5,081,092 km (0.104 R)
• M10: 5,747,849 km (0.118 R)
• M11: 6,273,536 km (0.092 R)
• M12: 6,909,776 km (0.101 R)
• M13: 7,505,026 km (0.072 R)
• M14: 8,282,187 km (0.068 R)
• M15: 8,892,097 km (0.096 R)
• M16: 10,167,868 km (0.117 R)
• M17: 11,825,712 km (0.109 R)
• M18: 14,337,011 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 14.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.08 AU - 2.54 AU

Year: 2341 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,727,603 km

• M1: 176,675 km (0.108 R)
• M2: 875,447 km (0.055 R)
• M3: 1,405,771 km (0.069 R)
• M4: 2,085,394 km (0.081 R)
• M5: 4,391,146 km (0.089 R)
• M6: 5,237,122 km (0.036 R)
• M7: 7,254,001 km (0.11 R)
• M8: 8,349,057 km (0.112 R)
• M9: 9,201,167 km (0.085 R)
• M10: 10,552,783 km (0.072 R)
• M11: 12,337,187 km (0.116 R)
• M12: 13,484,004 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.1

Radius: 8.7

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.15 AU - 3.81 AU

Year: 4329 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,727,603 km

• M1: 108,458 km (0.102 R)
• M2: 563,685 km (0.08 R)
• M3: 1,120,338 km (0.102 R)
• M4: 1,774,081 km (0.095 R)
• M5: 2,052,034 km (0.112 R)
• M6: 2,541,069 km (0.065 R)
• M7: 2,822,912 km (0.096 R)
• M8: 3,305,515 km (0.101 R)
• M9: 3,686,241 km (0.099 R)
• M10: 4,953,485 km (0.08 R)
• M11: 6,265,907 km (0.117 R)
• M12: 7,226,026 km (0.102 R)
• M13: 7,906,397 km (0.045 R)
• M14: 8,357,584 km (0.108 R)
• M15: 10,336,465 km (0.075 R)
• M16: 11,529,657 km (0.089 R)
• M17: 12,407,947 km (0.101 R)
• M18: 13,330,068 km (0.102 R)
• M19: 13,861,589 km (0.081 R)
• M20: 18,967,065 km (0.106 R)
• M21: 21,175,429 km (0.039 R)
• M22: 22,415,745 km (0.086 R)
• M23: 23,549,846 km (0.103 R)
• M24: 24,721,796 km (0.084 R)
• M25: 25,201,257 km (0.076 R)
• M26: 29,889,655 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 14.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.15 AU - 4.97 AU

Year: 6493 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,727,603 km

• M1: 177,872 km (0.09 R)
• M2: 754,123 km (0.109 R)
• M3: 1,756,578 km (0.111 R)
• M4: 2,401,943 km (0.058 R)
• M5: 3,807,864 km (0.084 R)
• M6: 4,986,396 km (0.054 R)
• M7: 7,138,362 km (0.091 R)
• M8: 7,820,079 km (0.086 R)
• M9: 8,421,014 km (0.104 R)
• M10: 9,182,766 km (0.066 R)
• M11: 10,316,568 km (0.111 R)
• M12: 13,815,663 km (0.104 R)
• M13: 14,876,461 km (0.078 R)
• M14: 15,613,231 km (0.091 R)
• M15: 18,315,866 km (0.098 R)
• M16: 19,019,724 km (0.096 R)
• M17: 23,546,106 km (0.056 R)
• M18: 26,545,843 km (0.101 R)
• M19: 27,630,577 km (0.074 R)
• M20: 29,503,842 km (0.1 R)
• M21: 30,179,126 km (0.11 R)
• M22: 31,360,650 km (0.061 R)
• M23: 32,165,337 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.2

Radius: 5.6

Gravity: 22.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.74 AU - 9.34 AU

Year: 16642 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,727,603 km

• M1: 69,713 km (0.065 R)
• M2: 254,616 km (0.079 R)
• M3: 577,298 km (0.092 R)
• M4: 858,243 km (0.053 R)
• M5: 1,310,029 km (0.055 R)
• M6: 2,196,845 km (0.107 R)
• M7: 2,649,827 km (0.045 R)
• M8: 2,862,106 km (0.085 R)
• M9: 3,946,841 km (0.119 R)
• M10: 6,461,880 km (0.11 R)
• M11: 7,249,064 km (0.086 R)
• M12: 8,049,562 km (0.093 R)
• M13: 10,744,119 km (0.076 R)
• M14: 13,566,283 km (0.12 R)
• M15: 14,704,274 km (0.113 R)
• M16: 14,998,383 km (0.109 R)
• M17: 17,087,667 km (0.099 R)
• M18: 18,413,104 km (0.109 R)
• M19: 19,627,989 km (0.033 R)
• M20: 19,805,711 km (0.086 R)
• M21: 20,345,610 km (0.1 R)
• M22: 20,619,224 km (0.066 R)
• M23: 22,506,252 km (0.076 R)
• M24: 23,094,022 km (0.068 R)
• M25: 29,083,023 km (0.052 R)
• M26: 31,329,085 km (0.116 R)
• M27: 31,816,176 km (0.117 R)
• M28: 32,805,616 km (0.111 R)
• M29: 35,500,173 km (0.088 R)
• M30: 35,764,213 km (0.095 R)
• M31: 37,649,595 km (0.101 R)
• M32: 40,600,413 km (0.099 R)
• M33: 41,179,357 km (0.096 R)
• M34: 49,215,306 km (0.053 R)
• M35: 58,235,459 km (0.104 R)
• M36: 58,419,016 km (0.118 R)
• M37: 63,520,303 km (0.047 R)
• M38: 64,496,429 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.1

Radius: 7.5

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.61 AU - 9.83 AU

Year: 17171 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,727,603 km

• M1: 97,239 km (0.092 R)
• M2: 397,781 km (0.12 R)
• M3: 639,680 km (0.12 R)
• M4: 904,170 km (0.089 R)
• M5: 1,343,538 km (0.089 R)
• M6: 1,595,910 km (0.086 R)
• M7: 1,880,445 km (0.083 R)
• M8: 2,817,526 km (0.109 R)
• M9: 3,074,236 km (0.079 R)
• M10: 3,547,115 km (0.094 R)
• M11: 3,816,541 km (0.118 R)
• M12: 4,396,681 km (0.106 R)
• M13: 4,851,160 km (0.063 R)
• M14: 5,221,714 km (0.107 R)
• M15: 6,019,519 km (0.11 R)
• M16: 10,094,864 km (0.114 R)
• M17: 12,521,641 km (0.109 R)
• M18: 13,148,755 km (0.109 R)
• M19: 13,943,419 km (0.037 R)
• M20: 15,312,240 km (0.086 R)
• M21: 15,628,190 km (0.094 R)
• M22: 16,519,494 km (0.093 R)
• M23: 17,358,888 km (0.08 R)
• M24: 17,875,898 km (0.085 R)
• M25: 23,520,675 km (0.113 R)
• M26: 35,063,647 km (0.079 R)
• M27: 38,011,473 km (0.036 R)
• M28: 40,365,395 km (0.103 R)
• M29: 43,442,174 km (0.072 R)
• M30: 51,634,004 km (0.107 R)
• M31: 57,315,133 km (0.106 R)
• M32: 59,427,156 km (0.083 R)
• M33: 61,193,308 km (0.109 R)
• M34: 62,389,942 km (0.101 R)
• M35: 71,646,609 km (0.092 R)
• M36: 74,321,269 km (0.188 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.7

Radius: 4.6

Gravity: 35.19 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.88 AU - 9.56 AU

Year: 18669 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,727,603 km

• M1: 57,296 km (0.103 R)
• M2: 257,757 km (0.107 R)
• M3: 411,245 km (0.085 R)
• M4: 841,488 km (0.109 R)
• M5: 1,209,948 km (0.118 R)
• M6: 1,384,827 km (0.119 R)
• M7: 2,238,882 km (0.112 R)
• M8: 2,458,342 km (0.071 R)
• M9: 2,814,534 km (0.12 R)
• M10: 5,166,063 km (0.105 R)
• M11: 6,203,525 km (0.082 R)
• M12: 7,044,564 km (0.063 R)
• M13: 8,366,859 km (0.049 R)
• M14: 8,628,656 km (0.098 R)
• M15: 8,788,426 km (0.117 R)
• M16: 8,950,141 km (0.119 R)
• M17: 10,617,110 km (0.098 R)
• M18: 13,170,597 km (0.092 R)
• M19: 13,885,674 km (0.084 R)
• M20: 18,639,595 km (0.106 R)
• M21: 22,115,502 km (0.113 R)
• M22: 25,999,811 km (0.041 R)
• M23: 36,454,757 km (0.108 R)
• M24: 38,002,497 km (0.044 R)
• M25: 40,034,784 km (0.092 R)
• M26: 46,238,607 km (0.074 R)
• M27: 48,552,737 km (0.095 R)
• M28: 49,058,527 km (0.074 R)
• M29: 50,769,777 km (0.115 R)
• M30: 51,639,988 km (0.112 R)
• M31: 51,990,945 km (0.053 R)
• M32: 62,872,395 km (0.084 R)
• M33: 67,786,236 km (0.053 R)
• M34: 72,729,548 km (0.055 R)
• M35: 74,057,528 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 19,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit