🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 10.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.49 AU - 1.51 AU

Year: 1168 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,266,746 km

• M1: 125,812 km (0.081 R)
• M2: 505,641 km (0.06 R)
• M3: 926,160 km (0.094 R)
• M4: 1,272,479 km (0.116 R)
• M5: 1,724,265 km (0.069 R)
• M6: 2,123,841 km (0.104 R)
• M7: 2,692,163 km (0.105 R)
• M8: 3,072,142 km (0.107 R)
• M9: 3,664,549 km (0.057 R)
• M10: 4,729,836 km (0.112 R)
• M11: 6,310,188 km (0.077 R)
• M12: 7,707,581 km (0.115 R)
• M13: 8,112,693 km (0.091 R)
• M14: 9,244,400 km (0.106 R)
• M15: 9,673,148 km (0.079 R)
• M16: 9,995,980 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 11.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.72 AU - 2.02 AU

Year: 1626 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,266,746 km

• M1: 145,559 km (0.113 R)
• M2: 638,185 km (0.08 R)
• M3: 1,069,026 km (0.108 R)
• M4: 1,499,120 km (0.112 R)
• M5: 1,914,554 km (0.083 R)
• M6: 2,430,517 km (0.079 R)
• M7: 3,635,378 km (0.074 R)
• M8: 4,120,823 km (0.087 R)
• M9: 4,504,242 km (0.098 R)
• M10: 4,892,449 km (0.105 R)
• M11: 5,343,187 km (0.078 R)
• M12: 6,261,120 km (0.105 R)
• M13: 7,381,309 km (0.086 R)
• M14: 7,949,481 km (0.075 R)
• M15: 8,435,974 km (0.064 R)
• M16: 8,828,070 km (0.099 R)
• M17: 10,713,152 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.5

Radius: 14.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.7 AU - 2.42 AU

Year: 1880 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,266,746 km

• M1: 184,005 km (0.104 R)
• M2: 670,049 km (0.075 R)
• M3: 1,561,951 km (0.11 R)
• M4: 2,048,743 km (0.112 R)
• M5: 2,517,134 km (0.109 R)
• M6: 3,165,940 km (0.119 R)
• M7: 4,378,131 km (0.089 R)
• M8: 5,123,877 km (0.027 R)
• M9: 6,124,686 km (0.118 R)
• M10: 6,924,287 km (0.089 R)
• M11: 8,088,009 km (0.107 R)
• M12: 8,891,200 km (0.103 R)
• M13: 9,747,049 km (0.094 R)
• M14: 11,170,473 km (0.094 R)
• M15: 12,891,896 km (0.076 R)
• M16: 14,075,963 km (0.042 R)
• M17: 15,844,509 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 8.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.07 AU - 3.33 AU

Year: 2821 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,266,746 km

• M1: 111,151 km (0.098 R)
• M2: 955,182 km (0.101 R)
• M3: 1,920,238 km (0.117 R)
• M4: 2,692,612 km (0.103 R)
• M5: 3,431,626 km (0.093 R)
• M6: 5,170,551 km (0.066 R)
• M7: 5,516,870 km (0.091 R)
• M8: 6,704,229 km (0.04 R)
• M9: 7,458,800 km (0.047 R)
• M10: 9,236,771 km (0.095 R)
• M11: 9,817,659 km (0.095 R)
• M12: 10,901,945 km (0.059 R)
• M13: 11,242,430 km (0.105 R)
• M14: 12,104,263 km (0.045 R)
• M15: 13,915,295 km (0.108 R)
• M16: 15,803,669 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 14.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.76 AU - 2.92 AU

Year: 3043 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,266,746 km

• M1: 177,872 km (0.118 R)
• M2: 681,269 km (0.063 R)
• M3: 1,355,357 km (0.068 R)
• M4: 4,117,083 km (0.075 R)
• M5: 6,524,562 km (0.101 R)
• M6: 8,435,824 km (0.115 R)
• M7: 8,959,566 km (0.093 R)
• M8: 11,521,280 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.1

Radius: 13.2

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.86 AU - 7 AU

Year: 9182 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,266,746 km

• M1: 185,651 km (0.05 R)
• M2: 747,840 km (0.05 R)
• M3: 2,623,647 km (0.085 R)
• M4: 5,168,307 km (0.068 R)
• M5: 5,768,195 km (0.105 R)
• M6: 8,860,682 km (0.106 R)
• M7: 11,028,654 km (0.082 R)
• M8: 13,082,184 km (0.108 R)

Asteroid Belt

Center: 7.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.1

Radius: 7.8

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.27 AU - 9.53 AU

Year: 15479 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,266,746 km

• M1: 97,089 km (0.1 R)
• M2: 362,924 km (0.115 R)
• M3: 832,512 km (0.095 R)
• M4: 1,204,412 km (0.11 R)
• M5: 1,650,813 km (0.118 R)
• M6: 1,894,807 km (0.108 R)
• M7: 2,370,229 km (0.088 R)
• M8: 3,502,236 km (0.058 R)
• M9: 3,939,510 km (0.103 R)
• M10: 5,138,238 km (0.066 R)
• M11: 6,393,364 km (0.087 R)
• M12: 6,824,505 km (0.091 R)
• M13: 9,277,162 km (0.046 R)
• M14: 9,606,278 km (0.114 R)
• M15: 11,123,649 km (0.059 R)
• M16: 12,527,026 km (0.076 R)
• M17: 14,996,887 km (0.104 R)
• M18: 18,282,356 km (0.071 R)
• M19: 18,887,629 km (0.032 R)
• M20: 20,229,222 km (0.054 R)
• M21: 23,706,625 km (0.099 R)
• M22: 25,266,183 km (0.096 R)
• M23: 25,800,995 km (0.094 R)
• M24: 28,243,928 km (0.084 R)
• M25: 34,100,835 km (0.08 R)
• M26: 35,149,815 km (0.096 R)
• M27: 36,220,038 km (0.102 R)
• M28: 38,005,189 km (0.073 R)
• M29: 46,209,436 km (0.073 R)
• M30: 50,300,040 km (0.11 R)
• M31: 59,192,736 km (0.054 R)
• M32: 61,665,289 km (0.072 R)
• M33: 65,602,406 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.1

Radius: 6.4

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 10.08 AU - 12.36 AU

Year: 23896 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,266,746 km

• M1: 81,830 km (0.116 R)
• M2: 787,483 km (0.083 R)
• M3: 1,387,969 km (0.105 R)
• M4: 1,874,461 km (0.095 R)
• M5: 2,349,883 km (0.115 R)
• M6: 2,956,952 km (0.089 R)
• M7: 4,228,533 km (0.092 R)
• M8: 5,283,348 km (0.11 R)
• M9: 7,953,670 km (0.046 R)
• M10: 10,418,445 km (0.111 R)
• M11: 14,678,992 km (0.073 R)
• M12: 17,055,803 km (0.117 R)
• M13: 18,523,358 km (0.12 R)
• M14: 39,479,776 km (0.095 R)
• M15: 47,294,619 km (0.078 R)
• M16: 49,443,143 km (0.105 R)
• M17: 52,031,037 km (0.118 R)
• M18: 54,126,604 km (0.102 R)
• M19: 56,079,903 km (0.077 R)
• M20: 57,474,904 km (0.1 R)
• M21: 67,669,101 km (0.052 R)
• M22: 89,635,155 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 16,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit