🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 9.3

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.4 AU - 0.66 AU

Year: 257 Days

Day: 7.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,673,928 km

• M1: 116,387 km (0.063 R)
• M2: 508,034 km (0.094 R)
• M3: 863,180 km (0.108 R)
• M4: 1,219,821 km (0.107 R)
• M5: 1,537,567 km (0.07 R)
• M6: 1,882,988 km (0.062 R)
• M7: 2,185,625 km (0.118 R)
• M8: 3,025,019 km (0.074 R)
• M9: 3,672,478 km (0.106 R)
• M10: 4,017,600 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 8.5

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.94 AU - 1.46 AU

Year: 877 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,673,928 km

• M1: 105,915 km (0.111 R)
• M2: 433,086 km (0.043 R)
• M3: 863,778 km (0.099 R)
• M4: 1,294,919 km (0.108 R)
• M5: 1,684,173 km (0.11 R)
• M6: 2,018,823 km (0.12 R)
• M7: 3,411,579 km (0.12 R)
• M8: 3,999,050 km (0.053 R)
• M9: 4,342,377 km (0.119 R)
• M10: 4,652,195 km (0.089 R)
• M11: 4,976,822 km (0.067 R)
• M12: 6,386,034 km (0.079 R)
• M13: 6,651,869 km (0.1 R)
• M14: 7,253,702 km (0.059 R)
• M15: 8,249,724 km (0.118 R)
• M16: 8,672,787 km (0.112 R)
• M17: 9,362,583 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 8.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.15 AU - 1.87 AU

Year: 1237 Days

Day: 12.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,673,928 km

• M1: 105,766 km (0.057 R)
• M2: 397,033 km (0.063 R)
• M3: 1,111,213 km (0.118 R)
• M4: 1,418,637 km (0.063 R)
• M5: 2,262,219 km (0.04 R)
• M6: 2,608,089 km (0.071 R)
• M7: 2,963,235 km (0.111 R)
• M8: 3,491,913 km (0.107 R)
• M9: 3,955,816 km (0.111 R)
• M10: 4,409,547 km (0.104 R)
• M11: 5,249,090 km (0.103 R)
• M12: 7,747,973 km (0.118 R)
• M13: 8,098,331 km (0.12 R)
• M14: 8,617,286 km (0.067 R)
• M15: 9,324,734 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.2

Radius: 8.7

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.3 AU - 2.04 AU

Year: 1439 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,673,928 km

• M1: 108,907 km (0.071 R)
• M2: 431,889 km (0.076 R)
• M3: 732,581 km (0.109 R)
• M4: 1,253,331 km (0.055 R)
• M5: 1,898,846 km (0.083 R)
• M6: 2,261,770 km (0.097 R)
• M7: 2,567,249 km (0.113 R)
• M8: 2,858,965 km (0.101 R)
• M9: 3,262,281 km (0.108 R)
• M10: 4,007,428 km (0.062 R)
• M11: 4,401,768 km (0.12 R)
• M12: 4,901,275 km (0.028 R)
• M13: 6,976,796 km (0.093 R)
• M14: 7,469,122 km (0.114 R)
• M15: 7,791,805 km (0.099 R)
• M16: 10,220,078 km (0.084 R)
• M17: 11,200,093 km (0.065 R)
• M18: 12,539,892 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 9.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.77 AU - 2.43 AU

Year: 2029 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,673,928 km

• M1: 124,765 km (0.11 R)
• M2: 497,862 km (0.115 R)
• M3: 924,664 km (0.061 R)
• M4: 1,246,449 km (0.112 R)
• M5: 1,555,519 km (0.075 R)
• M6: 2,617,215 km (0.119 R)
• M7: 3,716,161 km (0.105 R)
• M8: 4,521,446 km (0.062 R)
• M9: 6,774,988 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 14.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.75 AU - 6.15 AU

Year: 8484 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,673,928 km

• M1: 189,690 km (0.115 R)
• M2: 793,318 km (0.1 R)
• M3: 1,276,369 km (0.073 R)
• M4: 1,871,918 km (0.053 R)
• M5: 2,461,633 km (0.114 R)
• M6: 3,569,405 km (0.06 R)
• M7: 4,347,613 km (0.113 R)
• M8: 5,592,118 km (0.095 R)
• M9: 6,102,995 km (0.086 R)
• M10: 6,682,238 km (0.062 R)
• M11: 7,179,800 km (0.115 R)
• M12: 10,810,092 km (0.103 R)
• M13: 11,283,419 km (0.12 R)
• M14: 12,215,414 km (0.062 R)
• M15: 12,729,283 km (0.094 R)
• M16: 13,198,272 km (0.06 R)
• M17: 15,852,438 km (0.051 R)
• M18: 16,533,557 km (0.117 R)
• M19: 17,092,454 km (0.1 R)
• M20: 17,881,433 km (0.093 R)
• M21: 20,554,598 km (0.075 R)
• M22: 21,282,990 km (0.11 R)
• M23: 24,191,172 km (0.091 R)
• M24: 27,451,957 km (0.043 R)
• M25: 32,386,144 km (0.112 R)
• M26: 36,925,841 km (0.097 R)
• M27: 42,131,697 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 11.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.43 AU - 5.65 AU

Year: 8695 Days

Day: 15 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,673,928 km

• M1: 145,559 km (0.063 R)
• M2: 622,178 km (0.094 R)
• M3: 1,472,043 km (0.115 R)
• M4: 2,433,808 km (0.084 R)
• M5: 2,942,889 km (0.106 R)
• M6: 3,853,192 km (0.096 R)
• M7: 4,757,511 km (0.116 R)
• M8: 6,225,665 km (0.109 R)
• M9: 6,906,186 km (0.074 R)
• M10: 7,719,849 km (0.113 R)
• M11: 8,326,767 km (0.036 R)
• M12: 11,907,093 km (0.115 R)
• M13: 14,514,434 km (0.058 R)
• M14: 16,829,312 km (0.106 R)
• M15: 18,912,462 km (0.105 R)
• M16: 20,583,919 km (0.095 R)
• M17: 22,787,047 km (0.117 R)
• M18: 25,425,056 km (0.079 R)
• M19: 27,062,704 km (0.105 R)
• M20: 27,557,424 km (0.116 R)
• M21: 28,975,013 km (0.056 R)
• M22: 29,701,909 km (0.111 R)
• M23: 30,228,344 km (0.108 R)
• M24: 33,292,857 km (0.114 R)
• M25: 35,368,677 km (0.104 R)
• M26: 38,145,063 km (0.097 R)
• M27: 39,143,928 km (0.115 R)
• M28: 39,777,027 km (0.1 R)
• M29: 40,804,166 km (0.078 R)
• M30: 41,980,753 km (0.096 R)
• M31: 45,228,672 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.3

Radius: 7.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.31 AU - 6.91 AU

Year: 11333 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,673,928 km

• M1: 111,750 km (0.113 R)
• M2: 362,176 km (0.096 R)
• M3: 992,283 km (0.071 R)
• M4: 1,510,191 km (0.044 R)
• M5: 2,424,084 km (0.113 R)
• M6: 2,823,061 km (0.066 R)
• M7: 3,461,545 km (0.114 R)
• M8: 6,129,025 km (0.117 R)
• M9: 6,403,836 km (0.107 R)
• M10: 7,305,762 km (0.119 R)
• M11: 7,643,703 km (0.106 R)
• M12: 12,713,276 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.4

Radius: 3.6

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.85 AU - 9.89 AU

Year: 19127 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,673,928 km

• M1: 87,365 km (0.105 R)
• M2: 259,702 km (0.074 R)
• M3: 390,600 km (0.095 R)
• M4: 558,898 km (0.085 R)
• M5: 783,594 km (0.067 R)
• M6: 989,440 km (0.056 R)
• M7: 1,193,641 km (0.11 R)
• M8: 2,030,043 km (0.084 R)
• M9: 2,190,861 km (0.111 R)
• M10: 2,899,057 km (0.095 R)
• M11: 3,220,992 km (0.114 R)
• M12: 3,963,147 km (0.092 R)
• M13: 5,067,029 km (0.04 R)
• M14: 5,296,662 km (0.107 R)
• M15: 5,706,710 km (0.106 R)
• M16: 6,474,446 km (0.066 R)
• M17: 8,034,602 km (0.061 R)
• M18: 8,948,496 km (0.097 R)
• M19: 9,529,085 km (0.105 R)
• M20: 16,922,062 km (0.12 R)
• M21: 18,879,251 km (0.066 R)
• M22: 26,030,927 km (0.112 R)
• M23: 26,615,556 km (0.085 R)
• M24: 27,010,195 km (0.105 R)
• M25: 27,209,010 km (0.061 R)
• M26: 29,565,326 km (0.063 R)
• M27: 31,501,721 km (0.102 R)
• M28: 32,500,885 km (0.068 R)
• M29: 33,406,551 km (0.108 R)
• M30: 33,981,007 km (0.116 R)
• M31: 35,744,167 km (0.085 R)
• M32: 36,466,127 km (0.067 R)
• M33: 38,438,874 km (0.106 R)
• M34: 38,690,348 km (0.117 R)
• M35: 41,927,197 km (0.115 R)
• M36: 48,933,164 km (0.036 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 13,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit