🌌 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: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.9

Radius: 13.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.76 AU - 1.08 AU

Year: 561 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,706,594 km

• M1: 171,589 km (0.069 R)
• M2: 798,553 km (0.071 R)
• M3: 1,306,289 km (0.111 R)
• M4: 1,748,201 km (0.079 R)
• M5: 2,321,161 km (0.08 R)
• M6: 3,089,645 km (0.03 R)
• M7: 4,036,899 km (0.071 R)
• M8: 5,169,504 km (0.117 R)
• M9: 5,645,524 km (0.088 R)
• M10: 6,504,216 km (0.099 R)
• M11: 7,581,022 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 10.9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.81 AU - 1.21 AU

Year: 645 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 65,706,594 km

• M1: 135,685 km (0.068 R)
• M2: 718,369 km (0.105 R)
• M3: 1,788,742 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 12.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.37 AU - 1.89 AU

Year: 1323 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,706,594 km

• M1: 157,975 km (0.106 R)
• M2: 553,662 km (0.082 R)
• M3: 1,067,830 km (0.113 R)
• M4: 2,942,141 km (0.12 R)
• M5: 3,771,213 km (0.069 R)
• M6: 4,582,332 km (0.116 R)
• M7: 5,020,056 km (0.106 R)
• M8: 5,527,492 km (0.108 R)
• M9: 6,002,315 km (0.05 R)
• M10: 6,527,703 km (0.12 R)
• M11: 7,645,050 km (0.06 R)
• M12: 8,153,533 km (0.052 R)
• M13: 9,061,143 km (0.065 R)
• M14: 9,539,557 km (0.117 R)
• M15: 10,514,786 km (0.062 R)
• M16: 10,976,445 km (0.091 R)
• M17: 11,451,717 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 12.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.49 AU - 3.55 AU

Year: 3337 Days

Day: 6 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,706,594 km

• M1: 155,582 km (0.113 R)
• M2: 629,657 km (0.053 R)
• M3: 1,780,215 km (0.116 R)
• M4: 2,411,218 km (0.11 R)
• M5: 3,150,531 km (0.12 R)
• M6: 4,146,404 km (0.097 R)
• M7: 4,828,421 km (0.056 R)
• M8: 5,368,170 km (0.064 R)
• M9: 6,034,030 km (0.036 R)
• M10: 8,294,753 km (0.103 R)
• M11: 8,882,074 km (0.101 R)
• M12: 9,615,403 km (0.097 R)
• M13: 10,181,182 km (0.071 R)
• M14: 11,967,082 km (0.108 R)
• M15: 13,449,896 km (0.089 R)
• M16: 14,004,455 km (0.117 R)
• M17: 14,469,555 km (0.088 R)
• M18: 15,430,572 km (0.119 R)
• M19: 16,038,537 km (0.113 R)
• M20: 19,769,209 km (0.107 R)
• M21: 20,486,680 km (0.089 R)
• M22: 21,153,887 km (0.113 R)
• M23: 21,835,604 km (0.087 R)
• M24: 24,189,676 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 11.6

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.14 AU - 6.66 AU

Year: 7979 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,706,594 km

• M1: 144,661 km (0.044 R)
• M2: 597,643 km (0.111 R)
• M3: 1,395,748 km (0.085 R)
• M4: 1,881,492 km (0.12 R)
• M5: 2,278,376 km (0.09 R)
• M6: 4,438,120 km (0.1 R)
• M7: 5,469,597 km (0.117 R)
• M8: 6,007,402 km (0.069 R)
• M9: 6,506,610 km (0.092 R)
• M10: 7,189,075 km (0.109 R)
• M11: 7,835,188 km (0.052 R)
• M12: 8,432,084 km (0.112 R)
• M13: 9,861,791 km (0.09 R)
• M14: 10,711,357 km (0.071 R)
• M15: 12,844,623 km (0.115 R)
• M16: 13,494,177 km (0.102 R)
• M17: 16,110,494 km (0.09 R)
• M18: 17,359,487 km (0.112 R)
• M19: 21,823,786 km (0.072 R)
• M20: 22,834,619 km (0.051 R)
• M21: 23,264,862 km (0.085 R)
• M22: 24,768,471 km (0.09 R)
• M23: 26,241,860 km (0.087 R)
• M24: 27,095,914 km (0.111 R)
• M25: 27,481,428 km (0.1 R)
• M26: 29,667,352 km (0.056 R)
• M27: 35,405,328 km (0.109 R)
• M28: 39,451,801 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.8

Radius: 8.7

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.63 AU - 5.65 AU

Year: 8516 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,706,594 km

• M1: 113,096 km (0.064 R)
• M2: 472,580 km (0.12 R)
• M3: 962,064 km (0.047 R)
• M4: 1,466,209 km (0.116 R)
• M5: 1,985,613 km (0.101 R)
• M6: 3,022,775 km (0.084 R)
• M7: 3,366,700 km (0.072 R)
• M8: 5,974,939 km (0.118 R)
• M9: 6,407,576 km (0.12 R)
• M10: 7,135,220 km (0.053 R)
• M11: 8,528,425 km (0.082 R)
• M12: 8,984,399 km (0.08 R)
• M13: 9,504,551 km (0.114 R)
• M14: 9,895,301 km (0.053 R)
• M15: 10,866,490 km (0.098 R)
• M16: 11,402,499 km (0.089 R)
• M17: 12,068,958 km (0.063 R)
• M18: 12,878,881 km (0.098 R)
• M19: 14,351,073 km (0.116 R)
• M20: 14,996,439 km (0.043 R)
• M21: 16,977,563 km (0.077 R)
• M22: 17,336,000 km (0.09 R)
• M23: 18,216,682 km (0.073 R)
• M24: 20,874,288 km (0.102 R)
• M25: 21,535,212 km (0.075 R)
• M26: 28,325,609 km (0.074 R)
• M27: 28,728,625 km (0.066 R)
• M28: 29,237,857 km (0.087 R)
• M29: 37,134,081 km (0.075 R)
• M30: 38,966,655 km (0.112 R)
• M31: 40,730,863 km (0.044 R)
• M32: 43,475,834 km (0.107 R)
• M33: 46,063,578 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.3

Radius: 3.3

Gravity: 71.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.14 AU - 9.36 AU

Year: 15067 Days

Day: 24.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,706,594 km

• M1: 41,139 km (0.112 R)
• M2: 188,643 km (0.055 R)
• M3: 341,382 km (0.045 R)
• M4: 527,931 km (0.027 R)
• M5: 829,670 km (0.096 R)
• M6: 1,904,082 km (0.095 R)
• M7: 2,487,663 km (0.079 R)
• M8: 3,130,335 km (0.063 R)
• M9: 4,435,577 km (0.096 R)
• M10: 4,666,855 km (0.103 R)
• M11: 4,940,918 km (0.095 R)
• M12: 5,634,753 km (0.115 R)
• M13: 6,474,446 km (0.073 R)
• M14: 9,167,956 km (0.059 R)
• M15: 11,266,814 km (0.066 R)
• M16: 15,919,308 km (0.112 R)
• M17: 17,908,511 km (0.065 R)
• M18: 19,264,915 km (0.106 R)
• M19: 19,614,525 km (0.081 R)
• M20: 19,968,174 km (0.117 R)
• M21: 20,416,369 km (0.078 R)
• M22: 25,481,155 km (0.08 R)
• M23: 28,639,615 km (0.096 R)
• M24: 28,866,704 km (0.067 R)
• M25: 29,902,819 km (0.119 R)
• M26: 31,563,655 km (0.061 R)
• M27: 34,296,209 km (0.059 R)
• M28: 38,270,426 km (0.091 R)
• M29: 40,796,387 km (0.112 R)
• M30: 43,431,254 km (0.091 R)
• M31: 43,580,852 km (0.113 R)
• M32: 46,645,962 km (0.111 R)
• M33: 49,851,695 km (0.078 R)
• M34: 50,509,926 km (0.073 R)
• M35: 53,888,444 km (0.112 R)
• M36: 54,234,464 km (0.12 R)
• M37: 58,501,594 km (0.091 R)
• M38: 59,972,290 km (0.044 R)
• M39: 61,091,282 km (0.048 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: 549 - 14,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit