🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.2

Radius: 8.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.5 AU - 0.64 AU

Year: 287 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,997,347 km

• M1: 110,852 km (0.105 R)
• M2: 394,789 km (0.07 R)
• M3: 691,441 km (0.035 R)
• M4: 1,002,904 km (0.108 R)
• M5: 1,376,300 km (0.079 R)
• M6: 1,728,903 km (0.098 R)
• M7: 2,023,461 km (0.12 R)
• M8: 2,733,602 km (0.116 R)
• M9: 3,058,678 km (0.074 R)
• M10: 3,900,615 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 8.5

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.15 AU - 1.19 AU

Year: 844 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,997,347 km

• M1: 105,915 km (0.074 R)
• M2: 387,309 km (0.077 R)
• M3: 1,656,198 km (0.091 R)
• M4: 2,120,400 km (0.084 R)
• M5: 3,032,050 km (0.12 R)
• M6: 3,296,389 km (0.092 R)
• M7: 3,715,114 km (0.089 R)
• M8: 4,512,769 km (0.045 R)
• M9: 5,151,851 km (0.11 R)
• M10: 5,438,481 km (0.036 R)
• M11: 6,302,259 km (0.115 R)
• M12: 7,232,309 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 12.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.8 AU - 2.38 AU

Year: 2015 Days

Day: 7.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,997,347 km

• M1: 157,377 km (0.099 R)
• M2: 645,365 km (0.11 R)
• M3: 1,162,375 km (0.118 R)
• M4: 1,981,573 km (0.096 R)
• M5: 2,553,187 km (0.062 R)
• M6: 4,797,454 km (0.108 R)
• M7: 5,355,005 km (0.054 R)
• M8: 6,138,001 km (0.032 R)
• M9: 6,730,408 km (0.079 R)
• M10: 8,354,443 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 12.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.87 AU - 6.11 AU

Year: 8578 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,997,347 km

• M1: 155,582 km (0.047 R)
• M2: 814,112 km (0.03 R)
• M3: 1,275,621 km (0.114 R)
• M4: 1,974,991 km (0.064 R)
• M5: 2,938,102 km (0.118 R)
• M6: 3,366,550 km (0.098 R)
• M7: 4,881,977 km (0.095 R)
• M8: 5,678,286 km (0.082 R)
• M9: 6,666,829 km (0.055 R)
• M10: 8,090,702 km (0.085 R)
• M11: 10,037,120 km (0.111 R)
• M12: 11,479,991 km (0.109 R)
• M13: 12,387,601 km (0.105 R)
• M14: 16,837,390 km (0.087 R)
• M15: 20,590,651 km (0.093 R)
• M16: 26,937,041 km (0.116 R)
• M17: 28,441,996 km (0.043 R)
• M18: 32,239,837 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 10.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.36 AU - 5.64 AU

Year: 8601 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,997,347 km

• M1: 135,236 km (0.119 R)
• M2: 473,926 km (0.107 R)
• M3: 1,036,564 km (0.057 R)
• M4: 1,883,437 km (0.107 R)
• M5: 2,671,070 km (0.09 R)
• M6: 3,551,603 km (0.103 R)
• M7: 4,197,118 km (0.091 R)
• M8: 6,540,718 km (0.094 R)
• M9: 7,032,596 km (0.032 R)
• M10: 7,855,085 km (0.053 R)
• M11: 9,251,132 km (0.051 R)
• M12: 11,097,320 km (0.105 R)
• M13: 14,309,336 km (0.058 R)
• M14: 14,779,970 km (0.12 R)
• M15: 22,420,981 km (0.114 R)
• M16: 23,459,340 km (0.102 R)
• M17: 24,865,111 km (0.095 R)
• M18: 31,052,928 km (0.088 R)
• M19: 31,941,838 km (0.117 R)
• M20: 32,543,970 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.36 AU - 6.72 AU

Year: 8695 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,997,347 km

• M1: 180,415 km (0.102 R)
• M2: 818,300 km (0.078 R)
• M3: 1,736,233 km (0.091 R)
• M4: 2,252,944 km (0.115 R)
• M5: 2,894,270 km (0.058 R)
• M6: 5,030,528 km (0.088 R)
• M7: 5,716,284 km (0.046 R)
• M8: 6,463,675 km (0.114 R)
• M9: 7,519,687 km (0.1 R)
• M10: 8,024,729 km (0.092 R)
• M11: 9,244,700 km (0.111 R)
• M12: 10,023,955 km (0.102 R)
• M13: 10,899,551 km (0.083 R)
• M14: 13,342,933 km (0.042 R)
• M15: 14,085,388 km (0.103 R)
• M16: 15,721,091 km (0.042 R)
• M17: 16,832,304 km (0.119 R)
• M18: 21,554,061 km (0.098 R)
• M19: 22,663,778 km (0.029 R)
• M20: 24,720,151 km (0.083 R)
• M21: 26,510,388 km (0.071 R)
• M22: 29,201,205 km (0.112 R)
• M23: 36,298,427 km (0.062 R)
• M24: 39,862,597 km (0.045 R)
• M25: 43,251,138 km (0.089 R)
• M26: 45,152,976 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242

Radius: 6.5

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.31 AU - 6.65 AU

Year: 9752 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,997,347 km

• M1: 81,232 km (0.068 R)
• M2: 501,302 km (0.055 R)
• M3: 757,115 km (0.028 R)
• M4: 987,346 km (0.096 R)
• M5: 1,398,890 km (0.103 R)
• M6: 1,606,083 km (0.11 R)
• M7: 1,833,771 km (0.065 R)
• M8: 2,240,378 km (0.097 R)
• M9: 2,526,110 km (0.096 R)
• M10: 2,798,228 km (0.053 R)
• M11: 3,170,876 km (0.09 R)
• M12: 5,344,234 km (0.117 R)
• M13: 5,949,807 km (0.049 R)
• M14: 7,625,901 km (0.116 R)
• M15: 8,592,154 km (0.036 R)
• M16: 10,304,002 km (0.115 R)
• M17: 12,282,284 km (0.115 R)
• M18: 13,605,627 km (0.084 R)
• M19: 14,730,454 km (0.063 R)
• M20: 16,532,210 km (0.094 R)
• M21: 17,356,794 km (0.103 R)
• M22: 19,156,456 km (0.054 R)
• M23: 21,224,048 km (0.087 R)
• M24: 22,426,217 km (0.118 R)
• M25: 24,475,408 km (0.116 R)
• M26: 28,671,030 km (0.099 R)
• M27: 30,045,236 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.2

Radius: 3.5

Gravity: 38.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.71 AU - 7.13 AU

Year: 10848 Days

Day: 21.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,997,347 km

• M1: 44,281 km (0.108 R)
• M2: 158,125 km (0.05 R)
• M3: 282,590 km (0.072 R)
• M4: 439,070 km (0.054 R)
• M5: 809,324 km (0.108 R)
• M6: 1,200,074 km (0.107 R)
• M7: 1,588,580 km (0.104 R)
• M8: 1,811,780 km (0.068 R)
• M9: 2,248,007 km (0.1 R)
• M10: 3,999,948 km (0.096 R)
• M11: 4,384,265 km (0.114 R)
• M12: 5,485,305 km (0.067 R)
• M13: 5,889,967 km (0.063 R)
• M14: 9,202,663 km (0.095 R)
• M15: 10,416,949 km (0.09 R)
• M16: 10,931,266 km (0.117 R)
• M17: 11,088,793 km (0.096 R)
• M18: 11,408,334 km (0.051 R)
• M19: 12,748,431 km (0.081 R)
• M20: 12,981,654 km (0.064 R)
• M21: 13,942,522 km (0.079 R)
• M22: 21,533,865 km (0.101 R)
• M23: 22,198,529 km (0.08 R)
• M24: 23,655,911 km (0.085 R)
• M25: 26,099,892 km (0.06 R)
• M26: 29,511,471 km (0.099 R)
• M27: 31,270,742 km (0.094 R)
• M28: 35,798,920 km (0.074 R)
• M29: 36,262,823 km (0.119 R)
• M30: 37,084,265 km (0.114 R)
• M31: 38,763,950 km (0.038 R)
• M32: 38,885,872 km (0.082 R)
• M33: 39,130,465 km (0.09 R)
• M34: 42,922,771 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 5

Gravity: 30.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.36 AU - 10 AU

Year: 15601 Days

Day: 21.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,997,347 km

• M1: 63,579 km (0.027 R)
• M2: 253,868 km (0.111 R)
• M3: 581,786 km (0.075 R)
• M4: 765,193 km (0.12 R)
• M5: 1,133,353 km (0.097 R)
• M6: 1,293,722 km (0.083 R)
• M7: 1,694,645 km (0.108 R)
• M8: 2,445,776 km (0.107 R)
• M9: 3,031,601 km (0.033 R)
• M10: 4,002,192 km (0.103 R)
• M11: 4,846,223 km (0.1 R)
• M12: 8,529,921 km (0.079 R)
• M13: 9,419,580 km (0.11 R)
• M14: 10,602,001 km (0.092 R)
• M15: 10,778,676 km (0.102 R)
• M16: 13,121,977 km (0.103 R)
• M17: 14,020,013 km (0.076 R)
• M18: 14,811,236 km (0.116 R)
• M19: 20,284,125 km (0.064 R)
• M20: 23,817,178 km (0.096 R)
• M21: 26,423,472 km (0.107 R)
• M22: 27,739,484 km (0.091 R)
• M23: 29,794,510 km (0.105 R)
• M24: 30,146,514 km (0.108 R)
• M25: 30,620,291 km (0.1 R)
• M26: 31,099,004 km (0.104 R)
• M27: 31,340,156 km (0.075 R)
• M28: 34,333,011 km (0.12 R)
• M29: 36,698,751 km (0.076 R)
• M30: 38,334,903 km (0.069 R)
• M31: 39,030,683 km (0.053 R)
• M32: 41,313,995 km (0.114 R)
• M33: 42,045,379 km (0.107 R)
• M34: 44,443,882 km (0.091 R)
• M35: 48,857,917 km (0.12 R)
• M36: 50,669,098 km (0.051 R)
• M37: 51,338,548 km (0.051 R)
• M38: 55,303,341 km (0.065 R)
• M39: 60,963,376 km (0.068 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 19,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit