🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 12.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.43 AU - 0.69 AU

Year: 284 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,331,414 km

• M1: 155,432 km (0.096 R)
• M2: 614,847 km (0.115 R)
• M3: 1,120,787 km (0.066 R)
• M4: 1,565,243 km (0.052 R)
• M5: 1,963,023 km (0.113 R)
• M6: 2,412,415 km (0.098 R)
• M7: 2,825,006 km (0.086 R)
• M8: 3,702,996 km (0.074 R)
• M9: 4,307,072 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 12.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.74 AU

Year: 339 Days

Day: 13.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,331,414 km

• M1: 151,692 km (0.079 R)
• M2: 588,368 km (0.082 R)
• M3: 1,039,855 km (0.108 R)
• M4: 1,493,585 km (0.112 R)
• M5: 2,360,804 km (0.101 R)
• M6: 3,413,973 km (0.085 R)
• M7: 3,898,820 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.6

Radius: 11.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.96 AU - 1.22 AU

Year: 772 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,331,414 km

• M1: 143,165 km (0.03 R)
• M2: 539,600 km (0.1 R)
• M3: 978,968 km (0.105 R)
• M4: 1,344,586 km (0.109 R)
• M5: 1,795,174 km (0.088 R)
• M6: 2,263,715 km (0.086 R)
• M7: 2,766,513 km (0.074 R)
• M8: 3,250,313 km (0.098 R)
• M9: 4,229,730 km (0.113 R)
• M10: 5,139,884 km (0.094 R)
• M11: 5,738,126 km (0.083 R)
• M12: 6,487,312 km (0.073 R)
• M13: 7,141,653 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 11.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.13 AU - 1.87 AU

Year: 1246 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,331,414 km

• M1: 146,905 km (0.109 R)
• M2: 939,026 km (0.108 R)
• M3: 3,345,308 km (0.088 R)
• M4: 4,887,213 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 14.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.72 AU - 2 AU

Year: 1721 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,331,414 km

• M1: 181,462 km (0.089 R)
• M2: 787,932 km (0.115 R)
• M3: 1,452,446 km (0.096 R)
• M4: 3,118,517 km (0.081 R)
• M5: 3,881,915 km (0.086 R)
• M6: 5,216,179 km (0.083 R)
• M7: 6,787,106 km (0.119 R)
• M8: 7,820,378 km (0.115 R)
• M9: 8,418,919 km (0.036 R)
• M10: 9,611,663 km (0.119 R)
• M11: 11,445,883 km (0.099 R)
• M12: 13,223,853 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.99 AU - 2.43 AU

Year: 2228 Days

Day: 14 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,331,414 km

• M1: 99,483 km (0.085 R)
• M2: 354,846 km (0.071 R)
• M3: 603,777 km (0.116 R)
• M4: 1,095,356 km (0.052 R)
• M5: 1,361,490 km (0.064 R)
• M6: 1,874,910 km (0.096 R)
• M7: 2,657,756 km (0.082 R)
• M8: 3,316,585 km (0.063 R)
• M9: 3,625,504 km (0.066 R)
• M10: 4,245,438 km (0.12 R)
• M11: 4,650,100 km (0.069 R)
• M12: 5,017,213 km (0.105 R)
• M13: 5,337,951 km (0.104 R)
• M14: 5,649,414 km (0.111 R)
• M15: 5,949,507 km (0.119 R)
• M16: 6,333,525 km (0.102 R)
• M17: 9,598,648 km (0.07 R)
• M18: 11,534,594 km (0.101 R)
• M19: 13,228,042 km (0.087 R)
• M20: 13,841,393 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.4

Radius: 14.4

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.09 AU - 5.31 AU

Year: 8043 Days

Day: 9 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,331,414 km

• M1: 180,714 km (0.097 R)
• M2: 1,082,191 km (0.105 R)
• M3: 3,536,494 km (0.071 R)
• M4: 5,011,977 km (0.062 R)
• M5: 7,404,496 km (0.064 R)
• M6: 8,435,226 km (0.104 R)
• M7: 12,327,164 km (0.111 R)
• M8: 14,445,619 km (0.108 R)
• M9: 15,331,837 km (0.101 R)
• M10: 17,004,042 km (0.115 R)
• M11: 18,064,242 km (0.105 R)
• M12: 20,946,993 km (0.117 R)
• M13: 29,875,293 km (0.107 R)
• M14: 30,897,944 km (0.12 R)
• M15: 32,797,538 km (0.098 R)
• M16: 35,336,812 km (0.101 R)
• M17: 37,413,380 km (0.101 R)
• M18: 39,326,587 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.7

Radius: 3

Gravity: 47.86 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.92 AU - 6.94 AU

Year: 11059 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,331,414 km

• M1: 37,250 km (0.118 R)
• M2: 276,457 km (0.052 R)
• M3: 443,707 km (0.102 R)
• M4: 578,196 km (0.054 R)
• M5: 2,000,273 km (0.113 R)
• M6: 2,995,398 km (0.059 R)
• M7: 5,721,670 km (0.112 R)
• M8: 5,857,505 km (0.105 R)
• M9: 6,065,446 km (0.112 R)
• M10: 6,459,187 km (0.106 R)
• M11: 10,595,868 km (0.068 R)
• M12: 12,031,409 km (0.12 R)
• M13: 13,352,208 km (0.046 R)
• M14: 14,576,817 km (0.092 R)
• M15: 16,826,918 km (0.038 R)
• M16: 19,680,647 km (0.071 R)
• M17: 21,424,509 km (0.116 R)
• M18: 22,333,915 km (0.072 R)
• M19: 24,585,064 km (0.062 R)
• M20: 26,135,945 km (0.103 R)
• M21: 26,982,968 km (0.08 R)
• M22: 28,731,169 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.7

Radius: 5.1

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.2 AU - 7.5 AU

Year: 12160 Days

Day: 23.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,331,414 km

• M1: 63,429 km (0.09 R)
• M2: 271,819 km (0.116 R)
• M3: 446,250 km (0.103 R)
• M4: 667,506 km (0.104 R)
• M5: 912,996 km (0.071 R)
• M6: 1,126,921 km (0.075 R)
• M7: 1,349,223 km (0.12 R)
• M8: 2,144,934 km (0.104 R)
• M9: 2,723,429 km (0.032 R)
• M10: 3,353,236 km (0.068 R)
• M11: 3,543,076 km (0.079 R)
• M12: 3,739,947 km (0.047 R)
• M13: 4,430,939 km (0.063 R)
• M14: 5,110,114 km (0.119 R)
• M15: 5,393,901 km (0.084 R)
• M16: 5,924,375 km (0.053 R)
• M17: 6,273,237 km (0.062 R)
• M18: 6,859,511 km (0.091 R)
• M19: 9,200,718 km (0.047 R)
• M20: 9,432,744 km (0.099 R)
• M21: 10,053,874 km (0.049 R)
• M22: 10,550,091 km (0.055 R)
• M23: 11,537,437 km (0.094 R)
• M24: 12,641,768 km (0.083 R)
• M25: 12,870,802 km (0.075 R)
• M26: 14,930,915 km (0.108 R)
• M27: 17,623,976 km (0.072 R)
• M28: 22,327,482 km (0.077 R)
• M29: 28,386,495 km (0.107 R)
• M30: 31,213,596 km (0.088 R)
• M31: 31,737,338 km (0.09 R)
• M32: 33,235,112 km (0.085 R)
• M33: 35,911,418 km (0.075 R)
• M34: 38,010,575 km (0.072 R)
• M35: 40,809,850 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.6

Radius: 3

Gravity: 71.18 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.01 AU - 10.29 AU

Year: 18773 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 71,331,414 km

• M1: 40,391 km (0.117 R)
• M2: 193,879 km (0.109 R)
• M3: 616,194 km (0.094 R)
• M4: 775,964 km (0.105 R)
• M5: 916,137 km (0.097 R)
• M6: 1,010,683 km (0.066 R)
• M7: 1,137,991 km (0.104 R)
• M8: 1,394,402 km (0.084 R)
• M9: 2,765,915 km (0.092 R)
• M10: 3,041,923 km (0.084 R)
• M11: 3,887,899 km (0.077 R)
• M12: 4,986,995 km (0.113 R)
• M13: 5,133,002 km (0.067 R)
• M14: 5,471,692 km (0.114 R)
• M15: 6,151,913 km (0.101 R)
• M16: 6,447,818 km (0.074 R)
• M17: 7,581,919 km (0.116 R)
• M18: 7,823,669 km (0.107 R)
• M19: 8,789,623 km (0.028 R)
• M20: 10,177,891 km (0.108 R)
• M21: 12,225,288 km (0.092 R)
• M22: 13,732,935 km (0.074 R)
• M23: 15,283,367 km (0.099 R)
• M24: 18,205,911 km (0.055 R)
• M25: 18,465,015 km (0.09 R)
• M26: 19,526,262 km (0.059 R)
• M27: 21,003,391 km (0.097 R)
• M28: 22,952,652 km (0.09 R)
• M29: 30,842,144 km (0.063 R)
• M30: 31,333,723 km (0.105 R)
• M31: 32,585,408 km (0.099 R)
• M32: 32,712,417 km (0.12 R)
• M33: 39,490,547 km (0.119 R)
• M34: 40,215,797 km (0.066 R)
• M35: 40,802,370 km (0.082 R)
• M36: 43,052,622 km (0.115 R)
• M37: 44,441,787 km (0.097 R)
• M38: 48,622,300 km (0.084 R)
• M39: 49,287,711 km (0.091 R)
• M40: 54,474,120 km (0.116 R)
• M41: 57,383,200 km (0.071 R)
• M42: 58,687,843 km (0.046 R)
• M43: 59,442,265 km (0.032 R)
• M44: 61,938,455 km (0.105 R)
• M45: 64,904,532 km (0.03 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 17,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit