🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 12.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.74 AU - 1.08 AU

Year: 569 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,108,716 km

• M1: 154,235 km (0.08 R)
• M2: 726,298 km (0.104 R)
• M3: 1,114,504 km (0.094 R)
• M4: 1,863,541 km (0.093 R)
• M5: 2,411,667 km (0.047 R)
• M6: 3,018,885 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.6

Radius: 12.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.37 AU - 1.93 AU

Year: 1390 Days

Day: 8.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,108,716 km

• M1: 154,235 km (0.084 R)
• M2: 553,811 km (0.097 R)
• M3: 1,194,689 km (0.054 R)
• M4: 2,396,408 km (0.114 R)
• M5: 2,845,202 km (0.081 R)
• M6: 3,698,209 km (0.059 R)
• M7: 4,123,067 km (0.088 R)
• M8: 4,618,685 km (0.106 R)
• M9: 5,236,673 km (0.051 R)
• M10: 6,325,596 km (0.089 R)
• M11: 7,114,576 km (0.073 R)
• M12: 7,694,417 km (0.092 R)
• M13: 9,190,695 km (0.112 R)
• M14: 10,203,173 km (0.119 R)
• M15: 10,872,923 km (0.064 R)
• M16: 12,226,185 km (0.114 R)
• M17: 12,752,022 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.5

Radius: 8.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.69 AU - 1.79 AU

Year: 1506 Days

Day: 14.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,108,716 km

• M1: 104,569 km (0.117 R)
• M2: 488,287 km (0.1 R)
• M3: 970,890 km (0.118 R)
• M4: 1,258,268 km (0.073 R)
• M5: 1,577,659 km (0.119 R)
• M6: 2,374,567 km (0.095 R)
• M7: 3,033,546 km (0.114 R)
• M8: 3,352,638 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 10.7

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.95 AU - 3.09 AU

Year: 3443 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,108,716 km

• M1: 133,142 km (0.071 R)
• M2: 466,895 km (0.083 R)
• M3: 916,736 km (0.046 R)
• M4: 1,303,895 km (0.082 R)
• M5: 1,726,958 km (0.069 R)
• M6: 2,069,537 km (0.096 R)
• M7: 2,434,556 km (0.104 R)
• M8: 2,790,898 km (0.088 R)
• M9: 3,296,539 km (0.11 R)
• M10: 3,703,445 km (0.113 R)
• M11: 4,860,584 km (0.091 R)
• M12: 6,110,325 km (0.104 R)
• M13: 7,665,844 km (0.06 R)
• M14: 9,351,662 km (0.049 R)
• M15: 11,006,065 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.1

Radius: 10.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.23 AU - 4.31 AU

Year: 4802 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,108,716 km

• M1: 126,859 km (0.064 R)
• M2: 449,392 km (0.109 R)
• M3: 950,395 km (0.093 R)
• M4: 1,279,660 km (0.119 R)
• M5: 1,729,800 km (0.11 R)
• M6: 2,324,153 km (0.113 R)
• M7: 2,721,933 km (0.095 R)
• M8: 3,300,279 km (0.09 R)
• M9: 4,298,994 km (0.057 R)
• M10: 4,879,883 km (0.106 R)
• M11: 6,686,875 km (0.116 R)
• M12: 7,958,008 km (0.099 R)
• M13: 8,969,888 km (0.109 R)
• M14: 12,562,631 km (0.097 R)
• M15: 15,643,599 km (0.042 R)
• M16: 17,544,689 km (0.116 R)
• M17: 17,975,231 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 11.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.84 AU - 4.1 AU

Year: 5189 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,108,716 km

• M1: 143,464 km (0.079 R)
• M2: 562,638 km (0.079 R)
• M3: 1,183,918 km (0.083 R)
• M4: 1,989,951 km (0.094 R)
• M5: 2,522,818 km (0.04 R)
• M6: 3,675,620 km (0.112 R)
• M7: 4,551,665 km (0.108 R)
• M8: 5,026,937 km (0.06 R)
• M9: 5,694,443 km (0.115 R)
• M10: 9,914,300 km (0.109 R)
• M11: 10,715,995 km (0.086 R)
• M12: 11,954,366 km (0.072 R)
• M13: 12,312,354 km (0.105 R)
• M14: 14,918,947 km (0.064 R)
• M15: 15,810,401 km (0.047 R)
• M16: 19,181,888 km (0.095 R)
• M17: 20,425,794 km (0.066 R)
• M18: 20,938,167 km (0.118 R)
• M19: 22,122,533 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 14.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.53 AU - 5.23 AU

Year: 7072 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,108,716 km

• M1: 176,077 km (0.115 R)
• M2: 871,707 km (0.113 R)
• M3: 1,391,859 km (0.091 R)
• M4: 1,835,117 km (0.116 R)
• M5: 3,872,490 km (0.099 R)
• M6: 5,301,150 km (0.066 R)
• M7: 6,120,348 km (0.118 R)
• M8: 6,644,539 km (0.06 R)
• M9: 7,821,425 km (0.119 R)
• M10: 8,440,013 km (0.029 R)
• M11: 11,736,851 km (0.105 R)
• M12: 12,863,323 km (0.109 R)
• M13: 14,628,727 km (0.093 R)
• M14: 25,350,257 km (0.041 R)
• M15: 26,023,148 km (0.092 R)
• M16: 30,690,452 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.8

Radius: 4.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.61 AU - 8.37 AU

Year: 12123 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,108,716 km

• M1: 60,886 km (0.096 R)
• M2: 252,521 km (0.099 R)
• M3: 430,243 km (0.091 R)
• M4: 652,845 km (0.107 R)
• M5: 810,970 km (0.102 R)
• M6: 1,040,603 km (0.092 R)
• M7: 1,237,922 km (0.039 R)
• M8: 1,471,893 km (0.046 R)
• M9: 2,505,914 km (0.12 R)
• M10: 2,976,698 km (0.057 R)
• M11: 3,745,631 km (0.042 R)
• M12: 4,140,121 km (0.059 R)
• M13: 4,384,863 km (0.088 R)
• M14: 5,696,238 km (0.042 R)
• M15: 5,907,171 km (0.034 R)
• M16: 6,060,958 km (0.1 R)
• M17: 7,214,058 km (0.115 R)
• M18: 10,928,274 km (0.093 R)
• M19: 11,538,933 km (0.105 R)
• M20: 14,045,445 km (0.096 R)
• M21: 14,264,755 km (0.105 R)
• M22: 14,486,459 km (0.051 R)
• M23: 14,823,204 km (0.109 R)
• M24: 16,830,957 km (0.082 R)
• M25: 17,016,309 km (0.081 R)
• M26: 19,689,025 km (0.075 R)
• M27: 21,886,318 km (0.113 R)
• M28: 22,255,376 km (0.118 R)
• M29: 29,628,756 km (0.099 R)
• M30: 30,262,303 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.7

Radius: 5.2

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.31 AU - 9.49 AU

Year: 15971 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,108,716 km

• M1: 64,776 km (0.114 R)
• M2: 236,514 km (0.084 R)
• M3: 465,848 km (0.046 R)
• M4: 880,084 km (0.108 R)
• M5: 1,291,030 km (0.056 R)
• M6: 1,525,599 km (0.109 R)
• M7: 1,723,816 km (0.071 R)
• M8: 1,974,094 km (0.114 R)
• M9: 2,345,096 km (0.104 R)
• M10: 2,674,212 km (0.078 R)
• M11: 6,048,691 km (0.108 R)
• M12: 7,760,988 km (0.101 R)
• M13: 8,029,367 km (0.061 R)
• M14: 8,537,550 km (0.059 R)
• M15: 9,465,656 km (0.046 R)
• M16: 10,244,313 km (0.095 R)
• M17: 11,234,052 km (0.098 R)
• M18: 11,928,336 km (0.071 R)
• M19: 12,106,357 km (0.077 R)
• M20: 12,286,024 km (0.107 R)
• M21: 13,338,296 km (0.116 R)
• M22: 13,788,585 km (0.101 R)
• M23: 14,382,339 km (0.047 R)
• M24: 15,620,710 km (0.117 R)
• M25: 15,833,887 km (0.056 R)
• M26: 17,003,294 km (0.07 R)
• M27: 18,703,623 km (0.102 R)
• M28: 19,267,607 km (0.084 R)
• M29: 30,337,251 km (0.065 R)
• M30: 30,891,811 km (0.097 R)
• M31: 36,065,354 km (0.106 R)
• M32: 39,905,830 km (0.06 R)
• M33: 41,109,046 km (0.101 R)
• M34: 44,293,237 km (0.035 R)
• M35: 46,309,966 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.1

Radius: 4.1

Gravity: 17.67 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.85 AU - 9.47 AU

Year: 16718 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,108,716 km

• M1: 51,013 km (0.063 R)
• M2: 188,045 km (0.086 R)
• M3: 478,115 km (0.086 R)
• M4: 609,611 km (0.094 R)
• M5: 1,232,986 km (0.106 R)
• M6: 1,708,408 km (0.117 R)
• M7: 1,852,620 km (0.051 R)
• M8: 2,316,074 km (0.063 R)
• M9: 2,808,550 km (0.086 R)
• M10: 3,998,153 km (0.05 R)
• M11: 4,459,812 km (0.043 R)
• M12: 5,053,266 km (0.065 R)
• M13: 5,839,852 km (0.106 R)
• M14: 6,281,315 km (0.056 R)
• M15: 7,188,776 km (0.1 R)
• M16: 8,046,121 km (0.102 R)
• M17: 9,456,829 km (0.073 R)
• M18: 10,116,406 km (0.107 R)
• M19: 10,697,893 km (0.119 R)
• M20: 11,079,517 km (0.077 R)
• M21: 11,811,949 km (0.072 R)
• M22: 13,372,853 km (0.097 R)
• M23: 14,998,383 km (0.108 R)
• M24: 17,043,685 km (0.098 R)
• M25: 20,657,072 km (0.12 R)
• M26: 26,586,683 km (0.036 R)
• M27: 30,097,446 km (0.031 R)
• M28: 39,164,274 km (0.058 R)
• M29: 39,679,489 km (0.117 R)
• M30: 43,002,357 km (0.113 R)
• M31: 44,242,673 km (0.056 R)
• M32: 45,082,515 km (0.086 R)
• M33: 47,520,063 km (0.052 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: 298 - 13,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit