🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.52 AU - 0.7 AU

Year: 329 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,001,569 km

• M1: 167,849 km (0.091 R)
• M2: 787,782 km (0.093 R)
• M3: 1,289,833 km (0.036 R)
• M4: 1,901,688 km (0.119 R)
• M5: 2,372,323 km (0.027 R)
• M6: 3,087,102 km (0.08 R)
• M7: 3,830,005 km (0.115 R)
• M8: 4,466,544 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 12.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.67 AU - 0.85 AU

Year: 457 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,001,569 km

• M1: 153,039 km (0.046 R)
• M2: 547,678 km (0.101 R)
• M3: 975,528 km (0.102 R)
• M4: 1,437,336 km (0.079 R)
• M5: 2,597,468 km (0.092 R)
• M6: 2,998,839 km (0.103 R)
• M7: 3,475,159 km (0.078 R)
• M8: 3,952,825 km (0.101 R)
• M9: 4,501,101 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 9.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.78 AU - 1.22 AU

Year: 690 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,001,569 km

• M1: 113,246 km (0.051 R)
• M2: 485,595 km (0.103 R)
• M3: 816,505 km (0.086 R)
• M4: 1,148,612 km (0.107 R)
• M5: 1,522,906 km (0.119 R)
• M6: 1,832,424 km (0.119 R)
• M7: 2,184,129 km (0.098 R)
• M8: 3,207,827 km (0.059 R)
• M9: 4,221,054 km (0.11 R)
• M10: 4,824,531 km (0.091 R)
• M11: 5,219,919 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.2

Radius: 13.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.16 AU - 1.65 AU

Year: 1143 Days

Day: 7.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,001,569 km

• M1: 172,935 km (0.117 R)
• M2: 716,873 km (0.087 R)
• M3: 2,283,911 km (0.053 R)
• M4: 3,322,120 km (0.086 R)
• M5: 5,182,669 km (0.066 R)
• M6: 6,669,223 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 12.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.86 AU - 1.9 AU

Year: 1779 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,001,569 km

• M1: 159,172 km (0.116 R)
• M2: 611,406 km (0.05 R)
• M3: 1,272,779 km (0.057 R)
• M4: 1,856,360 km (0.111 R)
• M5: 2,526,259 km (0.093 R)
• M6: 4,260,248 km (0.072 R)
• M7: 5,284,096 km (0.071 R)
• M8: 12,762,344 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.7

Radius: 8.9

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.21 AU - 2.39 AU

Year: 2408 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,001,569 km

• M1: 110,702 km (0.027 R)
• M2: 389,852 km (0.081 R)
• M3: 742,305 km (0.097 R)
• M4: 1,080,246 km (0.118 R)
• M5: 1,491,192 km (0.092 R)
• M6: 1,767,948 km (0.105 R)
• M7: 2,427,674 km (0.098 R)
• M8: 2,721,933 km (0.047 R)
• M9: 3,040,128 km (0.086 R)
• M10: 3,601,120 km (0.075 R)
• M11: 3,887,001 km (0.068 R)
• M12: 4,376,336 km (0.082 R)
• M13: 5,045,338 km (0.118 R)
• M14: 5,653,304 km (0.109 R)
• M15: 6,336,667 km (0.05 R)
• M16: 8,220,253 km (0.061 R)
• M17: 9,201,915 km (0.073 R)
• M18: 11,154,765 km (0.081 R)
• M19: 11,724,584 km (0.105 R)
• M20: 13,233,876 km (0.072 R)
• M21: 14,723,422 km (0.107 R)
• M22: 15,309,846 km (0.118 R)
• M23: 16,581,428 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 14.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.81 AU - 4.55 AU

Year: 5899 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,001,569 km

• M1: 175,478 km (0.09 R)
• M2: 624,122 km (0.068 R)
• M3: 1,201,420 km (0.057 R)
• M4: 2,625,443 km (0.081 R)
• M5: 3,649,590 km (0.099 R)
• M6: 4,153,136 km (0.093 R)
• M7: 4,703,207 km (0.08 R)
• M8: 5,635,352 km (0.097 R)
• M9: 6,113,167 km (0.095 R)
• M10: 6,757,186 km (0.1 R)
• M11: 9,708,752 km (0.03 R)
• M12: 10,492,495 km (0.1 R)
• M13: 13,209,492 km (0.086 R)
• M14: 14,230,647 km (0.111 R)
• M15: 15,000,328 km (0.037 R)
• M16: 17,145,262 km (0.104 R)
• M17: 20,810,560 km (0.101 R)
• M18: 22,746,356 km (0.069 R)
• M19: 24,379,217 km (0.119 R)
• M20: 25,395,884 km (0.076 R)
• M21: 26,973,543 km (0.058 R)
• M22: 28,061,120 km (0.092 R)
• M23: 30,712,144 km (0.088 R)
• M24: 36,507,864 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 8.8

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.33 AU - 5.91 AU

Year: 7997 Days

Day: 6.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,001,569 km

• M1: 109,506 km (0.111 R)
• M2: 457,321 km (0.118 R)
• M3: 781,350 km (0.099 R)
• M4: 1,085,632 km (0.096 R)
• M5: 1,959,134 km (0.05 R)
• M6: 2,499,481 km (0.114 R)
• M7: 3,033,097 km (0.062 R)
• M8: 4,147,900 km (0.082 R)
• M9: 4,729,088 km (0.11 R)
• M10: 5,607,676 km (0.103 R)
• M11: 7,495,452 km (0.117 R)
• M12: 8,155,926 km (0.113 R)
• M13: 8,896,885 km (0.073 R)
• M14: 9,283,894 km (0.086 R)
• M15: 10,137,949 km (0.075 R)
• M16: 11,898,117 km (0.061 R)
• M17: 13,124,072 km (0.113 R)
• M18: 14,846,990 km (0.108 R)
• M19: 16,266,375 km (0.1 R)
• M20: 16,586,514 km (0.044 R)
• M21: 17,107,414 km (0.11 R)
• M22: 17,639,384 km (0.114 R)
• M23: 19,158,850 km (0.051 R)
• M24: 23,498,684 km (0.091 R)
• M25: 27,992,006 km (0.109 R)
• M26: 30,633,754 km (0.063 R)
• M27: 31,815,278 km (0.111 R)
• M28: 35,756,883 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.6

Radius: 3.3

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.25 AU - 9.89 AU

Year: 18855 Days

Day: 15.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,001,569 km

• M1: 137,331 km (0.091 R)
• M2: 643,420 km (0.093 R)
• M3: 969,394 km (0.092 R)
• M4: 3,011,106 km (0.09 R)
• M5: 3,163,247 km (0.072 R)
• M6: 4,027,923 km (0.113 R)
• M7: 5,347,675 km (0.079 R)
• M8: 7,666,592 km (0.065 R)
• M9: 8,199,459 km (0.062 R)
• M10: 11,186,330 km (0.104 R)
• M11: 27,575,525 km (0.027 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 19,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit