🌌 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: 482.6

Radius: 14

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.55 AU - 0.67 AU

Year: 323 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,720,741 km

• M1: 174,132 km (0.037 R)
• M2: 622,028 km (0.105 R)
• M3: 1,102,836 km (0.118 R)
• M4: 1,550,283 km (0.063 R)
• M5: 2,447,122 km (0.105 R)
• M6: 2,984,926 km (0.059 R)
• M7: 3,734,711 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.6

Radius: 12.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.65 AU - 0.83 AU

Year: 432 Days

Day: 9.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,720,741 km

• M1: 154,235 km (0.119 R)
• M2: 583,132 km (0.11 R)
• M3: 1,029,233 km (0.084 R)
• M4: 1,895,106 km (0.118 R)
• M5: 2,832,636 km (0.101 R)
• M6: 3,293,098 km (0.074 R)
• M7: 4,126,508 km (0.081 R)
• M8: 4,859,537 km (0.071 R)
• M9: 5,306,984 km (0.115 R)
• M10: 5,851,820 km (0.1 R)
• M11: 6,321,856 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.7

Radius: 8.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.03 AU

Year: 532 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,720,741 km

• M1: 100,829 km (0.076 R)
• M2: 365,916 km (0.047 R)
• M3: 629,059 km (0.066 R)
• M4: 928,853 km (0.057 R)
• M5: 1,253,331 km (0.044 R)
• M6: 1,522,158 km (0.103 R)
• M7: 1,852,919 km (0.088 R)
• M8: 2,248,905 km (0.095 R)
• M9: 3,188,828 km (0.083 R)
• M10: 3,610,993 km (0.12 R)
• M11: 3,899,867 km (0.09 R)
• M12: 4,905,763 km (0.056 R)
• M13: 5,182,369 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 10.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.7 AU - 1.16 AU

Year: 608 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,720,741 km

• M1: 129,402 km (0.027 R)
• M2: 454,927 km (0.074 R)
• M3: 781,948 km (0.069 R)
• M4: 1,156,392 km (0.108 R)
• M5: 1,605,335 km (0.045 R)
• M6: 1,991,447 km (0.109 R)
• M7: 2,756,490 km (0.102 R)
• M8: 4,646,061 km (0.095 R)
• M9: 5,404,223 km (0.049 R)
• M10: 5,775,076 km (0.074 R)
• M11: 6,242,570 km (0.036 R)
• M12: 6,905,139 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 10

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.82 AU - 1.2 AU

Year: 688 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,720,741 km

• M1: 124,465 km (0.068 R)
• M2: 487,091 km (0.086 R)
• M3: 829,221 km (0.075 R)
• M4: 1,276,070 km (0.055 R)
• M5: 1,715,439 km (0.106 R)
• M6: 2,028,098 km (0.108 R)
• M7: 2,631,875 km (0.066 R)
• M8: 3,614,285 km (0.114 R)
• M9: 4,165,852 km (0.114 R)
• M10: 4,586,521 km (0.091 R)
• M11: 4,929,100 km (0.078 R)
• M12: 5,627,722 km (0.095 R)
• M13: 5,940,980 km (0.076 R)
• M14: 6,973,804 km (0.096 R)
• M15: 7,926,742 km (0.087 R)
• M16: 8,246,283 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119

Radius: 8.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.05 AU - 2.87 AU

Year: 2617 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,720,741 km

• M1: 103,372 km (0.036 R)
• M2: 529,277 km (0.101 R)
• M3: 1,339,799 km (0.081 R)
• M4: 1,966,314 km (0.119 R)
• M5: 3,757,749 km (0.057 R)
• M6: 4,424,656 km (0.107 R)
• M7: 5,090,367 km (0.074 R)
• M8: 6,504,815 km (0.063 R)
• M9: 7,290,203 km (0.095 R)
• M10: 7,822,024 km (0.118 R)
• M11: 8,271,416 km (0.083 R)
• M12: 9,514,425 km (0.114 R)
• M13: 10,684,430 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 11

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.48 AU - 2.84 AU

Year: 2942 Days

Day: 10.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,720,741 km

• M1: 137,032 km (0.062 R)
• M2: 568,472 km (0.075 R)
• M3: 924,964 km (0.062 R)
• M4: 1,353,861 km (0.112 R)
• M5: 2,393,267 km (0.074 R)
• M6: 3,021,727 km (0.047 R)
• M7: 4,047,819 km (0.098 R)
• M8: 5,418,285 km (0.037 R)
• M9: 6,041,660 km (0.037 R)
• M10: 6,968,119 km (0.049 R)
• M11: 7,454,312 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 14.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.62 AU - 2.72 AU

Year: 2959 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,720,741 km

• M1: 179,218 km (0.096 R)
• M2: 645,964 km (0.114 R)
• M3: 1,169,107 km (0.051 R)
• M4: 1,696,739 km (0.082 R)
• M5: 3,288,012 km (0.106 R)
• M6: 5,822,050 km (0.036 R)
• M7: 7,052,193 km (0.049 R)
• M8: 8,809,220 km (0.113 R)
• M9: 9,282,398 km (0.091 R)
• M10: 10,766,708 km (0.072 R)
• M11: 11,308,253 km (0.088 R)
• M12: 11,867,898 km (0.071 R)
• M13: 12,784,784 km (0.073 R)
• M14: 13,658,884 km (0.084 R)
• M15: 14,294,226 km (0.099 R)
• M16: 14,854,321 km (0.04 R)
• M17: 16,018,790 km (0.088 R)
• M18: 16,572,452 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872

Radius: 3.1

Gravity: 90.74 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.57 AU - 8.91 AU

Year: 17525 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 68,720,741 km

• M1: 50,414 km (0.099 R)
• M2: 185,950 km (0.079 R)
• M3: 283,189 km (0.081 R)
• M4: 486,043 km (0.066 R)
• M5: 1,121,535 km (0.099 R)
• M6: 1,411,456 km (0.094 R)
• M7: 1,731,147 km (0.107 R)
• M8: 2,420,045 km (0.081 R)
• M9: 2,750,806 km (0.12 R)
• M10: 3,678,462 km (0.113 R)
• M11: 4,082,675 km (0.073 R)
• M12: 4,312,009 km (0.079 R)
• M13: 5,052,219 km (0.062 R)
• M14: 8,281,439 km (0.042 R)
• M15: 14,386,678 km (0.081 R)
• M16: 15,303,862 km (0.102 R)
• M17: 15,460,491 km (0.083 R)
• M18: 16,422,405 km (0.084 R)
• M19: 18,642,139 km (0.115 R)
• M20: 20,861,124 km (0.07 R)
• M21: 22,133,753 km (0.119 R)
• M22: 22,942,030 km (0.112 R)
• M23: 23,353,424 km (0.104 R)
• M24: 24,403,452 km (0.081 R)
• M25: 28,680,904 km (0.032 R)
• M26: 29,884,119 km (0.111 R)
• M27: 30,251,681 km (0.099 R)
• M28: 30,870,717 km (0.089 R)
• M29: 30,995,632 km (0.052 R)
• M30: 34,898,790 km (0.078 R)
• M31: 37,675,326 km (0.106 R)
• M32: 38,825,883 km (0.107 R)
• M33: 40,148,029 km (0.077 R)
• M34: 41,652,086 km (0.106 R)
• M35: 45,899,469 km (0.047 R)
• M36: 47,211,293 km (0.04 R)
• M37: 49,055,535 km (0.052 R)
• M38: 50,773,218 km (0.069 R)
• M39: 53,065,656 km (0.118 R)
• M40: 57,666,239 km (0.091 R)
• M41: 58,045,320 km (0.108 R)
• M42: 61,335,277 km (0.092 R)
• M43: 61,532,596 km (0.052 R)
• M44: 72,606,429 km (0.103 R)
• M45: 74,834,540 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431

Radius: 6.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.34 AU - 10.78 AU

Year: 21642 Days

Day: 17.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,720,741 km

• M1: 85,869 km (0.098 R)
• M2: 332,706 km (0.104 R)
• M3: 538,104 km (0.093 R)
• M4: 764,296 km (0.105 R)
• M5: 972,835 km (0.112 R)
• M6: 1,704,668 km (0.057 R)
• M7: 2,756,191 km (0.056 R)
• M8: 3,025,019 km (0.078 R)
• M9: 3,587,058 km (0.05 R)
• M10: 4,185,000 km (0.081 R)
• M11: 5,929,012 km (0.093 R)
• M12: 7,438,156 km (0.098 R)
• M13: 8,817,298 km (0.079 R)
• M14: 11,816,137 km (0.096 R)
• M15: 12,527,774 km (0.113 R)
• M16: 14,982,227 km (0.096 R)
• M17: 17,740,063 km (0.068 R)
• M18: 21,004,588 km (0.09 R)
• M19: 22,925,874 km (0.114 R)
• M20: 23,625,094 km (0.115 R)
• M21: 24,133,278 km (0.03 R)
• M22: 24,856,733 km (0.12 R)
• M23: 29,504,739 km (0.105 R)
• M24: 30,331,866 km (0.12 R)
• M25: 33,285,077 km (0.077 R)
• M26: 41,495,308 km (0.099 R)
• M27: 42,682,666 km (0.104 R)
• M28: 43,892,614 km (0.097 R)
• M29: 47,982,470 km (0.041 R)
• M30: 54,936,676 km (0.1 R)
• M31: 55,649,062 km (0.101 R)
• M32: 56,367,580 km (0.113 R)
• M33: 58,375,333 km (0.119 R)
• M34: 59,490,436 km (0.082 R)
• M35: 61,380,306 km (0.088 R)
• M36: 64,092,814 km (0.108 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: 477 - 16,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit