🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.65 AU

Year: 285 Days

Day: 27.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.5

Radius: 9.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.07 AU - 1.55 AU

Year: 968 Days

Day: 12.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,739,422 km

• M1: 133,292 km (0.092 R)
• M2: 501,452 km (0.117 R)
• M3: 994,527 km (0.073 R)
• M4: 1,761,216 km (0.118 R)
• M5: 2,277,179 km (0.104 R)
• M6: 2,593,877 km (0.103 R)
• M7: 3,079,173 km (0.087 R)
• M8: 4,095,541 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 11.4

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.12 AU - 3.06 AU

Year: 2691 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,739,422 km

• M1: 160,369 km (0.112 R)
• M2: 585,975 km (0.09 R)
• M3: 991,684 km (0.057 R)
• M4: 1,661,135 km (0.097 R)
• M5: 2,284,808 km (0.091 R)
• M6: 2,865,547 km (0.097 R)
• M7: 4,091,502 km (0.105 R)
• M8: 4,696,625 km (0.112 R)
• M9: 5,324,039 km (0.11 R)
• M10: 5,772,832 km (0.057 R)
• M11: 6,369,279 km (0.091 R)
• M12: 7,116,670 km (0.119 R)
• M13: 8,186,743 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 9.4

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.98 AU - 4.66 AU

Year: 4821 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,739,422 km

• M1: 116,986 km (0.115 R)
• M2: 445,353 km (0.106 R)
• M3: 861,385 km (0.103 R)
• M4: 1,286,841 km (0.099 R)
• M5: 2,003,415 km (0.073 R)
• M6: 2,638,308 km (0.078 R)
• M7: 3,022,176 km (0.047 R)
• M8: 3,903,308 km (0.089 R)
• M9: 4,453,678 km (0.086 R)
• M10: 5,165,016 km (0.061 R)
• M11: 5,859,001 km (0.112 R)
• M12: 8,393,338 km (0.075 R)
• M13: 9,105,723 km (0.074 R)
• M14: 9,560,650 km (0.052 R)
• M15: 10,426,523 km (0.077 R)
• M16: 11,919,360 km (0.078 R)
• M17: 14,866,588 km (0.065 R)
• M18: 17,310,269 km (0.072 R)
• M19: 18,073,368 km (0.1 R)
• M20: 20,287,566 km (0.071 R)
• M21: 22,229,047 km (0.088 R)
• M22: 22,601,695 km (0.094 R)
• M23: 22,978,532 km (0.115 R)
• M24: 23,977,996 km (0.083 R)
• M25: 25,734,873 km (0.059 R)
• M26: 27,065,546 km (0.106 R)
• M27: 27,661,843 km (0.081 R)
• M28: 28,179,901 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 10.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.81 AU - 6.65 AU

Year: 8856 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,739,422 km

• M1: 130,599 km (0.086 R)
• M2: 704,307 km (0.112 R)
• M3: 1,973,645 km (0.12 R)
• M4: 2,464,176 km (0.086 R)
• M5: 2,829,195 km (0.097 R)
• M6: 4,148,648 km (0.102 R)
• M7: 4,931,793 km (0.092 R)
• M8: 6,334,871 km (0.071 R)
• M9: 9,116,045 km (0.055 R)
• M10: 9,445,310 km (0.1 R)
• M11: 9,782,504 km (0.108 R)
• M12: 10,705,972 km (0.106 R)
• M13: 11,928,635 km (0.069 R)
• M14: 14,593,721 km (0.115 R)
• M15: 14,988,211 km (0.041 R)
• M16: 17,006,286 km (0.106 R)
• M17: 18,601,298 km (0.119 R)
• M18: 22,308,782 km (0.045 R)
• M19: 25,090,854 km (0.071 R)
• M20: 26,648,766 km (0.066 R)
• M21: 27,494,144 km (0.066 R)
• M22: 28,009,808 km (0.093 R)
• M23: 29,238,305 km (0.075 R)
• M24: 30,685,964 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.1

Radius: 7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.74 AU - 7.64 AU

Year: 9944 Days

Day: 22.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 143.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,739,422 km

• M1: 87,066 km (0.082 R)
• M2: 312,959 km (0.118 R)
• M3: 679,474 km (0.101 R)
• M4: 1,409,062 km (0.104 R)
• M5: 1,849,628 km (0.043 R)
• M6: 2,594,326 km (0.048 R)
• M7: 3,322,120 km (0.094 R)
• M8: 3,639,417 km (0.057 R)
• M9: 4,334,748 km (0.085 R)
• M10: 5,027,536 km (0.096 R)
• M11: 6,666,380 km (0.096 R)
• M12: 7,359,168 km (0.074 R)
• M13: 8,507,481 km (0.096 R)
• M14: 8,801,591 km (0.113 R)
• M15: 12,023,779 km (0.111 R)
• M16: 12,718,362 km (0.097 R)
• M17: 13,047,926 km (0.104 R)
• M18: 14,246,205 km (0.051 R)
• M19: 14,721,328 km (0.095 R)
• M20: 15,766,269 km (0.11 R)
• M21: 17,729,592 km (0.07 R)
• M22: 18,210,100 km (0.082 R)
• M23: 18,840,505 km (0.078 R)
• M24: 19,703,835 km (0.052 R)
• M25: 22,451,499 km (0.069 R)
• M26: 23,013,837 km (0.077 R)
• M27: 25,271,568 km (0.114 R)
• M28: 27,126,582 km (0.042 R)
• M29: 30,221,911 km (0.103 R)
• M30: 31,904,887 km (0.076 R)
• M31: 32,718,102 km (0.084 R)
• M32: 33,233,317 km (0.087 R)
• M33: 34,918,387 km (0.095 R)
• M34: 35,348,481 km (0.088 R)
• M35: 35,890,923 km (0.097 R)
• M36: 36,438,900 km (0.072 R)
• M37: 36,881,261 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.1

Radius: 6.3

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.52 AU - 10.44 AU

Year: 20357 Days

Day: 19.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,739,422 km

• M1: 78,539 km (0.108 R)
• M2: 369,058 km (0.049 R)
• M3: 602,879 km (0.117 R)
• M4: 982,409 km (0.102 R)
• M5: 1,360,144 km (0.119 R)
• M6: 1,884,933 km (0.09 R)
• M7: 2,768,309 km (0.103 R)
• M8: 2,988,965 km (0.027 R)
• M9: 4,844,428 km (0.098 R)
• M10: 5,093,359 km (0.045 R)
• M11: 5,313,417 km (0.118 R)
• M12: 5,931,855 km (0.097 R)
• M13: 7,357,074 km (0.045 R)
• M14: 9,428,107 km (0.089 R)
• M15: 10,567,145 km (0.117 R)
• M16: 11,169,725 km (0.086 R)
• M17: 11,731,615 km (0.116 R)
• M18: 12,575,945 km (0.118 R)
• M19: 15,428,028 km (0.05 R)
• M20: 16,046,167 km (0.086 R)
• M21: 18,770,942 km (0.055 R)
• M22: 21,029,870 km (0.029 R)
• M23: 23,564,806 km (0.091 R)
• M24: 29,584,325 km (0.104 R)
• M25: 32,004,968 km (0.081 R)
• M26: 32,254,049 km (0.113 R)
• M27: 33,647,403 km (0.074 R)
• M28: 35,345,040 km (0.067 R)
• M29: 38,769,036 km (0.111 R)
• M30: 39,194,193 km (0.075 R)
• M31: 44,541,420 km (0.095 R)
• M32: 53,793,599 km (0.112 R)
• M33: 59,615,649 km (0.077 R)
• M34: 67,261,596 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 11,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit