🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 8.1

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.48 AU - 0.54 AU

Year: 256 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,753,195 km

• M1: 100,829 km (0.096 R)
• M2: 405,261 km (0.107 R)
• M3: 909,555 km (0.098 R)
• M4: 1,443,919 km (0.051 R)
• M5: 2,128,927 km (0.111 R)
• M6: 2,785,961 km (0.108 R)
• M7: 3,205,733 km (0.1 R)
• M8: 3,699,555 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 8.1

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.47 AU - 0.57 AU

Year: 264 Days

Day: 11 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,753,195 km

• M1: 100,679 km (0.117 R)
• M2: 451,935 km (0.071 R)
• M3: 947,703 km (0.109 R)
• M4: 1,479,822 km (0.084 R)
• M5: 2,087,638 km (0.052 R)
• M6: 2,414,510 km (0.099 R)
• M7: 2,784,914 km (0.119 R)
• M8: 3,298,184 km (0.082 R)
• M9: 3,697,461 km (0.109 R)
• M10: 4,054,551 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 10.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.51 AU - 2.53 AU

Year: 2812 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,753,195 km

• M1: 137,929 km (0.087 R)
• M2: 795,561 km (0.062 R)
• M3: 1,146,967 km (0.089 R)
• M4: 3,235,503 km (0.083 R)
• M5: 4,643,368 km (0.063 R)
• M6: 6,144,433 km (0.066 R)
• M7: 7,687,685 km (0.116 R)
• M8: 9,548,682 km (0.067 R)
• M9: 11,231,958 km (0.116 R)
• M10: 13,335,304 km (0.109 R)
• M11: 14,578,312 km (0.095 R)
• M12: 15,792,748 km (0.045 R)
• M13: 19,840,268 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 13.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.37 AU - 3.21 AU

Year: 3276 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,753,195 km

• M1: 169,195 km (0.053 R)
• M2: 622,626 km (0.109 R)
• M3: 1,669,512 km (0.057 R)
• M4: 3,499,393 km (0.106 R)
• M5: 4,485,393 km (0.076 R)
• M6: 5,255,523 km (0.083 R)
• M7: 7,803,923 km (0.119 R)
• M8: 9,247,542 km (0.109 R)
• M9: 14,465,217 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 8.5

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.74 AU - 3.06 AU

Year: 3471 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,753,195 km

• M1: 106,364 km (0.107 R)
• M2: 396,883 km (0.078 R)
• M3: 1,171,351 km (0.095 R)
• M4: 1,640,191 km (0.114 R)
• M5: 2,573,831 km (0.049 R)
• M6: 3,165,790 km (0.11 R)
• M7: 4,810,320 km (0.114 R)
• M8: 7,241,734 km (0.036 R)
• M9: 7,764,578 km (0.052 R)
• M10: 15,659,905 km (0.091 R)
• M11: 17,730,040 km (0.117 R)
• M12: 22,066,135 km (0.088 R)
• M13: 22,679,336 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.9

Radius: 14.5

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.53 AU - 4.15 AU

Year: 4291 Days

Day: 10.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,753,195 km

• M1: 180,415 km (0.115 R)
• M2: 1,014,124 km (0.059 R)
• M3: 1,615,208 km (0.094 R)
• M4: 2,721,036 km (0.038 R)
• M5: 3,707,933 km (0.093 R)
• M6: 4,490,778 km (0.054 R)
• M7: 5,549,034 km (0.066 R)
• M8: 6,851,283 km (0.083 R)
• M9: 8,064,073 km (0.062 R)
• M10: 8,971,684 km (0.078 R)
• M11: 12,189,235 km (0.062 R)
• M12: 13,078,893 km (0.112 R)
• M13: 16,159,113 km (0.033 R)
• M14: 17,814,414 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.6

Radius: 13.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.19 AU - 3.91 AU

Year: 4702 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,753,195 km

• M1: 167,101 km (0.1 R)
• M2: 692,339 km (0.095 R)
• M3: 1,326,185 km (0.092 R)
• M4: 2,252,346 km (0.071 R)
• M5: 3,250,014 km (0.113 R)
• M6: 4,415,381 km (0.115 R)
• M7: 6,270,844 km (0.118 R)
• M8: 6,720,086 km (0.108 R)
• M9: 9,299,004 km (0.113 R)
• M10: 10,651,668 km (0.082 R)
• M11: 11,334,432 km (0.066 R)
• M12: 11,960,948 km (0.102 R)
• M13: 12,610,353 km (0.082 R)
• M14: 14,265,503 km (0.036 R)
• M15: 14,749,901 km (0.095 R)
• M16: 16,638,724 km (0.107 R)
• M17: 17,121,626 km (0.099 R)
• M18: 17,669,154 km (0.106 R)
• M19: 18,626,730 km (0.083 R)
• M20: 19,147,480 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461

Radius: 14.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.57 AU - 4.47 AU

Year: 5666 Days

Day: 9.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,753,195 km

• M1: 182,809 km (0.103 R)
• M2: 662,270 km (0.099 R)
• M3: 1,461,422 km (0.06 R)
• M4: 2,095,417 km (0.072 R)
• M5: 3,000,933 km (0.094 R)
• M6: 4,783,542 km (0.091 R)
• M7: 5,559,206 km (0.092 R)
• M8: 6,862,802 km (0.107 R)
• M9: 8,031,012 km (0.115 R)
• M10: 9,985,059 km (0.052 R)
• M11: 11,952,122 km (0.072 R)
• M12: 13,128,260 km (0.12 R)
• M13: 15,146,485 km (0.106 R)
• M14: 17,364,274 km (0.11 R)
• M15: 19,393,569 km (0.028 R)
• M16: 19,857,771 km (0.093 R)
• M17: 23,919,353 km (0.101 R)
• M18: 26,670,608 km (0.076 R)
• M19: 27,493,994 km (0.107 R)
• M20: 27,996,194 km (0.095 R)
• M21: 28,589,799 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.4

Radius: 3.1

Gravity: 27.3 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.58 AU - 6.86 AU

Year: 12245 Days

Day: 23.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,753,195 km

• M1: 51,611 km (0.11 R)
• M2: 157,377 km (0.085 R)
• M3: 401,969 km (0.04 R)
• M4: 602,730 km (0.101 R)
• M5: 822,040 km (0.083 R)
• M6: 1,113,307 km (0.045 R)
• M7: 1,730,698 km (0.065 R)
• M8: 2,171,413 km (0.111 R)
• M9: 2,842,659 km (0.103 R)
• M10: 3,406,344 km (0.082 R)
• M11: 4,750,331 km (0.08 R)
• M12: 4,925,211 km (0.115 R)
• M13: 5,571,174 km (0.12 R)
• M14: 6,411,615 km (0.065 R)
• M15: 6,733,699 km (0.119 R)
• M16: 7,566,511 km (0.117 R)
• M17: 7,966,984 km (0.119 R)
• M18: 9,342,985 km (0.105 R)
• M19: 9,756,773 km (0.106 R)
• M20: 10,769,700 km (0.1 R)
• M21: 11,173,315 km (0.12 R)
• M22: 11,378,863 km (0.068 R)
• M23: 12,832,805 km (0.078 R)
• M24: 14,046,043 km (0.054 R)
• M25: 14,225,411 km (0.092 R)
• M26: 14,895,909 km (0.076 R)
• M27: 15,651,228 km (0.063 R)
• M28: 16,168,837 km (0.103 R)
• M29: 24,918,218 km (0.079 R)
• M30: 26,705,314 km (0.072 R)
• M31: 27,072,727 km (0.104 R)
• M32: 27,817,574 km (0.115 R)
• M33: 28,290,005 km (0.115 R)
• M34: 30,632,258 km (0.086 R)
• M35: 31,850,434 km (0.057 R)
• M36: 36,932,872 km (0.088 R)
• M37: 37,964,050 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.9

Radius: 4.7

Gravity: 41.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.52 AU - 8.34 AU

Year: 14236 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,753,195 km

• M1: 58,792 km (0.119 R)
• M2: 233,672 km (0.105 R)
• M3: 576,101 km (0.075 R)
• M4: 912,996 km (0.065 R)
• M5: 1,230,742 km (0.091 R)
• M6: 1,400,535 km (0.08 R)
• M7: 2,026,154 km (0.108 R)
• M8: 2,326,845 km (0.112 R)
• M9: 2,499,032 km (0.074 R)
• M10: 3,017,090 km (0.093 R)
• M11: 3,248,667 km (0.025 R)
• M12: 3,464,238 km (0.085 R)
• M13: 3,805,471 km (0.117 R)
• M14: 4,554,956 km (0.104 R)
• M15: 8,546,227 km (0.116 R)
• M16: 12,605,865 km (0.1 R)
• M17: 13,342,484 km (0.103 R)
• M18: 14,107,378 km (0.086 R)
• M19: 17,872,009 km (0.115 R)
• M20: 19,583,708 km (0.077 R)
• M21: 19,760,682 km (0.052 R)
• M22: 21,029,421 km (0.034 R)
• M23: 21,401,621 km (0.086 R)
• M24: 23,728,017 km (0.115 R)
• M25: 27,304,454 km (0.119 R)
• M26: 29,335,843 km (0.081 R)
• M27: 31,103,791 km (0.039 R)
• M28: 34,591,815 km (0.102 R)
• M29: 36,429,625 km (0.091 R)
• M30: 37,236,855 km (0.026 R)
• M31: 37,918,572 km (0.082 R)
• M32: 38,331,612 km (0.042 R)
• M33: 39,166,667 km (0.097 R)
• M34: 40,872,981 km (0.036 R)
• M35: 45,975,465 km (0.071 R)
• M36: 46,131,645 km (0.114 R)
• M37: 52,844,251 km (0.111 R)
• M38: 53,531,952 km (0.091 R)
• M39: 55,453,986 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 12,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit