🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 11.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 108.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,387,550 km

• M1: 143,016 km (0.11 R)
• M2: 567,724 km (0.119 R)
• M3: 1,971,401 km (0.072 R)
• M4: 2,405,534 km (0.089 R)
• M5: 4,838,294 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 15

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.32 AU - 1.74 AU

Year: 1262 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,387,550 km

• M1: 188,045 km (0.053 R)
• M2: 662,868 km (0.096 R)
• M3: 1,338,751 km (0.104 R)
• M4: 1,833,172 km (0.109 R)
• M5: 2,551,541 km (0.088 R)
• M6: 3,224,433 km (0.071 R)
• M7: 3,843,020 km (0.1 R)
• M8: 4,559,294 km (0.106 R)
• M9: 6,972,009 km (0.053 R)
• M10: 7,493,806 km (0.079 R)
• M11: 9,341,789 km (0.11 R)
• M12: 9,944,967 km (0.092 R)
• M13: 10,607,835 km (0.101 R)
• M14: 13,123,922 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.04 AU - 3.02 AU

Year: 2684 Days

Day: 5.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,387,550 km

• M1: 179,069 km (0.12 R)
• M2: 692,489 km (0.109 R)
• M3: 1,210,696 km (0.106 R)
• M4: 2,027,650 km (0.074 R)
• M5: 2,555,730 km (0.043 R)
• M6: 3,726,782 km (0.096 R)
• M7: 4,341,181 km (0.117 R)
• M8: 5,272,577 km (0.116 R)
• M9: 6,119,899 km (0.102 R)
• M10: 6,576,771 km (0.09 R)
• M11: 7,613,784 km (0.119 R)
• M12: 8,200,357 km (0.109 R)
• M13: 9,214,331 km (0.079 R)
• M14: 10,786,306 km (0.054 R)
• M15: 11,966,483 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 9.7

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.92 AU - 5.12 AU

Year: 6408 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,387,550 km

• M1: 120,875 km (0.047 R)
• M2: 537,505 km (0.112 R)
• M3: 859,141 km (0.083 R)
• M4: 1,257,669 km (0.12 R)
• M5: 1,639,443 km (0.12 R)
• M6: 3,210,221 km (0.055 R)
• M7: 3,664,998 km (0.095 R)
• M8: 5,509,540 km (0.112 R)
• M9: 5,862,890 km (0.079 R)
• M10: 6,265,757 km (0.084 R)
• M11: 6,941,341 km (0.074 R)
• M12: 7,664,797 km (0.098 R)
• M13: 8,147,100 km (0.086 R)
• M14: 8,649,450 km (0.08 R)
• M15: 9,855,508 km (0.077 R)
• M16: 10,377,754 km (0.108 R)
• M17: 11,069,046 km (0.115 R)
• M18: 11,425,986 km (0.072 R)
• M19: 13,156,983 km (0.119 R)
• M20: 13,615,650 km (0.061 R)
• M21: 15,813,243 km (0.041 R)
• M22: 16,266,524 km (0.114 R)
• M23: 21,366,615 km (0.086 R)
• M24: 24,923,753 km (0.109 R)
• M25: 28,570,351 km (0.093 R)
• M26: 30,920,833 km (0.101 R)
• M27: 32,975,859 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 13.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.14 AU - 4.98 AU

Year: 6493 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,387,550 km

• M1: 168,597 km (0.062 R)
• M2: 838,945 km (0.107 R)
• M3: 1,325,437 km (0.099 R)
• M4: 1,824,346 km (0.108 R)
• M5: 2,961,888 km (0.109 R)
• M6: 4,062,929 km (0.073 R)
• M7: 7,028,258 km (0.092 R)
• M8: 7,520,734 km (0.099 R)
• M9: 9,261,754 km (0.107 R)
• M10: 10,699,689 km (0.101 R)
• M11: 13,155,338 km (0.098 R)
• M12: 18,222,517 km (0.1 R)
• M13: 18,751,495 km (0.042 R)
• M14: 21,920,875 km (0.102 R)
• M15: 22,670,959 km (0.072 R)
• M16: 24,222,289 km (0.109 R)
• M17: 24,862,418 km (0.06 R)
• M18: 25,513,618 km (0.085 R)
• M19: 28,674,770 km (0.034 R)
• M20: 29,572,058 km (0.036 R)
• M21: 30,119,437 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.4

Radius: 7.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.52 AU - 7.1 AU

Year: 11851 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,387,550 km

• M1: 91,404 km (0.031 R)
• M2: 511,625 km (0.031 R)
• M3: 776,114 km (0.064 R)
• M4: 1,012,628 km (0.106 R)
• M5: 1,664,276 km (0.115 R)
• M6: 2,130,573 km (0.053 R)
• M7: 2,368,433 km (0.072 R)
• M8: 2,605,097 km (0.107 R)
• M9: 3,480,694 km (0.083 R)
• M10: 5,385,823 km (0.057 R)
• M11: 5,928,713 km (0.067 R)
• M12: 7,620,216 km (0.116 R)
• M13: 8,221,749 km (0.061 R)
• M14: 9,116,644 km (0.058 R)
• M15: 11,557,632 km (0.082 R)
• M16: 12,189,683 km (0.115 R)
• M17: 15,955,660 km (0.085 R)
• M18: 21,511,426 km (0.08 R)
• M19: 23,868,340 km (0.104 R)
• M20: 24,633,533 km (0.114 R)
• M21: 27,858,115 km (0.06 R)
• M22: 28,421,651 km (0.046 R)
• M23: 30,059,448 km (0.086 R)
• M24: 30,652,155 km (0.103 R)
• M25: 33,521,891 km (0.056 R)
• M26: 38,385,617 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.3

Radius: 3.1

Gravity: 99.72 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.83 AU - 6.87 AU

Year: 11955 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,387,550 km

• M1: 38,596 km (0.094 R)
• M2: 162,164 km (0.085 R)
• M3: 613,501 km (0.043 R)
• M4: 801,994 km (0.091 R)
• M5: 1,200,224 km (0.085 R)
• M6: 1,307,336 km (0.102 R)
• M7: 1,435,541 km (0.07 R)
• M8: 2,187,719 km (0.099 R)
• M9: 2,693,061 km (0.084 R)
• M10: 2,877,665 km (0.108 R)
• M11: 3,509,416 km (0.11 R)
• M12: 4,137,279 km (0.081 R)
• M13: 5,428,608 km (0.064 R)
• M14: 5,912,706 km (0.117 R)
• M15: 6,671,018 km (0.035 R)
• M16: 8,043,878 km (0.095 R)
• M17: 8,921,867 km (0.118 R)
• M18: 9,754,080 km (0.095 R)
• M19: 11,691,971 km (0.091 R)
• M20: 12,370,098 km (0.093 R)
• M21: 13,008,881 km (0.074 R)
• M22: 13,402,473 km (0.111 R)
• M23: 13,602,336 km (0.098 R)
• M24: 15,784,670 km (0.075 R)
• M25: 16,611,946 km (0.086 R)
• M26: 17,075,101 km (0.102 R)
• M27: 19,950,073 km (0.042 R)
• M28: 20,561,330 km (0.115 R)
• M29: 22,005,248 km (0.069 R)
• M30: 22,283,351 km (0.077 R)
• M31: 22,846,437 km (0.066 R)
• M32: 25,295,205 km (0.116 R)
• M33: 25,907,808 km (0.088 R)
• M34: 26,530,285 km (0.089 R)
• M35: 38,156,732 km (0.119 R)
• M36: 38,557,954 km (0.055 R)
• M37: 48,580,712 km (0.079 R)
• M38: 56,491,447 km (0.088 R)
• M39: 56,838,514 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 10,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit