🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 8.6

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,848,917 km

• M1: 106,962 km (0.057 R)
• M2: 452,683 km (0.105 R)
• M3: 853,456 km (0.098 R)
• M4: 1,428,959 km (0.046 R)
• M5: 1,975,141 km (0.119 R)
• M6: 2,403,439 km (0.099 R)
• M7: 2,766,813 km (0.064 R)
• M8: 3,293,996 km (0.106 R)
• M9: 3,662,305 km (0.098 R)
• M10: 4,247,084 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 12.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.43 AU - 1.97 AU

Year: 1503 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,848,917 km

• M1: 156,779 km (0.101 R)
• M2: 577,597 km (0.089 R)
• M3: 1,101,340 km (0.06 R)
• M4: 1,721,423 km (0.103 R)
• M5: 2,118,904 km (0.12 R)
• M6: 2,520,275 km (0.116 R)
• M7: 3,158,460 km (0.062 R)
• M8: 3,582,570 km (0.106 R)
• M9: 4,044,977 km (0.054 R)
• M10: 5,034,567 km (0.032 R)
• M11: 5,924,824 km (0.033 R)
• M12: 6,847,843 km (0.045 R)
• M13: 7,539,583 km (0.03 R)
• M14: 8,043,279 km (0.088 R)
• M15: 8,596,492 km (0.106 R)
• M16: 9,632,756 km (0.118 R)
• M17: 10,317,915 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 10.9

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.2 AU - 2.44 AU

Year: 2397 Days

Day: 12 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,848,917 km

• M1: 135,685 km (0.081 R)
• M2: 493,075 km (0.086 R)
• M3: 1,637,199 km (0.092 R)
• M4: 2,231,252 km (0.086 R)
• M5: 3,664,250 km (0.055 R)
• M6: 4,203,251 km (0.096 R)
• M7: 6,906,485 km (0.117 R)
• M8: 8,009,620 km (0.085 R)
• M9: 10,079,605 km (0.04 R)
• M10: 11,697,506 km (0.116 R)
• M11: 12,065,517 km (0.117 R)
• M12: 18,013,080 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 10.1

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.67 AU - 3.13 AU

Year: 3350 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,848,917 km

• M1: 126,859 km (0.058 R)
• M2: 1,149,959 km (0.053 R)
• M3: 1,982,471 km (0.113 R)
• M4: 3,368,794 km (0.076 R)
• M5: 4,208,188 km (0.12 R)
• M6: 6,566,299 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.2

Radius: 12.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.45 AU - 3.95 AU

Year: 4827 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,848,917 km

• M1: 154,235 km (0.083 R)
• M2: 573,857 km (0.12 R)
• M3: 1,188,854 km (0.099 R)
• M4: 1,942,080 km (0.106 R)
• M5: 2,475,396 km (0.08 R)
• M6: 2,930,622 km (0.055 R)
• M7: 3,619,072 km (0.077 R)
• M8: 4,840,688 km (0.119 R)
• M9: 5,343,187 km (0.116 R)
• M10: 5,805,145 km (0.074 R)
• M11: 8,019,493 km (0.047 R)
• M12: 8,626,711 km (0.113 R)
• M13: 9,264,447 km (0.066 R)
• M14: 10,521,368 km (0.089 R)
• M15: 11,807,760 km (0.109 R)
• M16: 12,721,953 km (0.085 R)
• M17: 13,327,824 km (0.081 R)
• M18: 13,862,487 km (0.049 R)
• M19: 14,597,461 km (0.069 R)
• M20: 17,271,523 km (0.11 R)
• M21: 17,800,351 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 12.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.83 AU - 6.03 AU

Year: 7424 Days

Day: 11.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 171.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,848,917 km

• M1: 169,345 km (0.07 R)
• M2: 660,026 km (0.066 R)
• M3: 1,254,079 km (0.104 R)
• M4: 2,502,324 km (0.073 R)
• M5: 3,013,948 km (0.06 R)
• M6: 3,716,011 km (0.072 R)
• M7: 4,317,544 km (0.069 R)
• M8: 5,134,797 km (0.076 R)
• M9: 6,550,891 km (0.092 R)
• M10: 7,268,811 km (0.028 R)
• M11: 8,825,078 km (0.069 R)
• M12: 9,467,301 km (0.089 R)
• M13: 9,899,489 km (0.072 R)
• M14: 14,976,841 km (0.048 R)
• M15: 18,614,912 km (0.084 R)
• M16: 19,294,685 km (0.11 R)
• M17: 21,299,745 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.6

Radius: 6.1

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.51 AU - 9.33 AU

Year: 16571 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,848,917 km

• M1: 75,846 km (0.105 R)
• M2: 267,631 km (0.087 R)
• M3: 525,986 km (0.102 R)
• M4: 1,236,726 km (0.112 R)
• M5: 2,056,522 km (0.081 R)
• M6: 2,842,509 km (0.11 R)
• M7: 3,049,253 km (0.078 R)
• M8: 4,509,927 km (0.086 R)
• M9: 4,856,545 km (0.033 R)
• M10: 5,288,883 km (0.064 R)
• M11: 6,078,610 km (0.079 R)
• M12: 6,423,284 km (0.066 R)
• M13: 7,406,740 km (0.083 R)
• M14: 7,667,489 km (0.062 R)
• M15: 7,934,222 km (0.118 R)
• M16: 10,405,280 km (0.106 R)
• M17: 10,787,802 km (0.096 R)
• M18: 11,066,802 km (0.052 R)
• M19: 11,932,674 km (0.057 R)
• M20: 12,351,698 km (0.12 R)
• M21: 16,724,892 km (0.115 R)
• M22: 18,490,746 km (0.101 R)
• M23: 18,729,953 km (0.1 R)
• M24: 22,569,532 km (0.104 R)
• M25: 27,005,108 km (0.074 R)
• M26: 30,968,704 km (0.066 R)
• M27: 32,333,186 km (0.063 R)
• M28: 33,382,466 km (0.063 R)
• M29: 34,695,337 km (0.095 R)
• M30: 36,666,139 km (0.096 R)
• M31: 37,424,002 km (0.119 R)
• M32: 37,678,916 km (0.105 R)
• M33: 40,158,950 km (0.062 R)
• M34: 45,008,315 km (0.072 R)
• M35: 45,731,471 km (0.115 R)
• M36: 49,310,749 km (0.064 R)
• M37: 51,325,384 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.8

Radius: 4.6

Gravity: 42.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.21 AU - 10.65 AU

Year: 18100 Days

Day: 19 Hours

Environment

Temp: -242 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,848,917 km

• M1: 61,186 km (0.099 R)
• M2: 212,878 km (0.063 R)
• M3: 363,972 km (0.032 R)
• M4: 625,170 km (0.063 R)
• M5: 1,173,446 km (0.092 R)
• M6: 1,504,955 km (0.082 R)
• M7: 2,397,156 km (0.107 R)
• M8: 2,929,725 km (0.106 R)
• M9: 3,168,932 km (0.111 R)
• M10: 3,717,058 km (0.116 R)
• M11: 3,933,975 km (0.033 R)
• M12: 4,601,032 km (0.105 R)
• M13: 4,924,762 km (0.105 R)
• M14: 6,729,062 km (0.115 R)
• M15: 8,500,001 km (0.117 R)
• M16: 8,768,380 km (0.089 R)
• M17: 9,435,287 km (0.107 R)
• M18: 9,607,175 km (0.074 R)
• M19: 9,898,293 km (0.096 R)
• M20: 10,807,100 km (0.093 R)
• M21: 11,704,238 km (0.106 R)
• M22: 14,087,931 km (0.08 R)
• M23: 17,028,875 km (0.038 R)
• M24: 18,867,583 km (0.115 R)
• M25: 20,641,664 km (0.103 R)
• M26: 23,037,474 km (0.027 R)
• M27: 25,835,403 km (0.108 R)
• M28: 33,138,771 km (0.052 R)
• M29: 33,536,402 km (0.112 R)
• M30: 38,703,662 km (0.077 R)
• M31: 40,487,018 km (0.052 R)
• M32: 43,106,178 km (0.109 R)
• M33: 44,859,764 km (0.085 R)
• M34: 56,014,529 km (0.096 R)
• M35: 67,176,026 km (0.116 R)
• M36: 71,055,548 km (0.115 R)
• M37: 75,996,766 km (0.102 R)
• M38: 77,615,714 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 11,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit