🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 9.3

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 254 Days

Day: 14.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,558,432 km

• M1: 115,639 km (0.061 R)
• M2: 480,060 km (0.116 R)
• M3: 830,119 km (0.066 R)
• M4: 1,558,511 km (0.117 R)
• M5: 2,062,955 km (0.119 R)
• M6: 2,443,681 km (0.11 R)
• M7: 2,771,001 km (0.113 R)
• M8: 3,107,896 km (0.081 R)
• M9: 3,503,881 km (0.088 R)
• M10: 3,797,542 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 12

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.5 AU - 0.72 AU

Year: 323 Days

Day: 10.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,558,432 km

• M1: 149,299 km (0.11 R)
• M2: 532,868 km (0.117 R)
• M3: 916,287 km (0.091 R)
• M4: 1,763,609 km (0.09 R)
• M5: 2,142,541 km (0.116 R)
• M6: 2,725,524 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 9

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.08 AU - 1.1 AU

Year: 772 Days

Day: 14.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,558,432 km

• M1: 111,899 km (0.093 R)
• M2: 476,918 km (0.045 R)
• M3: 905,067 km (0.083 R)
• M4: 1,293,872 km (0.11 R)
• M5: 1,613,263 km (0.048 R)
• M6: 2,339,262 km (0.113 R)
• M7: 2,711,013 km (0.041 R)
• M8: 3,363,409 km (0.06 R)
• M9: 3,960,753 km (0.107 R)
• M10: 4,424,656 km (0.057 R)
• M11: 5,271,979 km (0.099 R)
• M12: 5,675,145 km (0.085 R)
• M13: 6,457,093 km (0.11 R)
• M14: 6,784,862 km (0.043 R)
• M15: 7,379,364 km (0.117 R)
• M16: 8,183,452 km (0.109 R)
• M17: 9,017,760 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 13.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.65 AU - 1.69 AU

Year: 1464 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,558,432 km

• M1: 169,195 km (0.04 R)
• M2: 613,950 km (0.059 R)
• M3: 1,223,561 km (0.116 R)
• M4: 1,903,035 km (0.059 R)
• M5: 2,349,883 km (0.066 R)
• M6: 2,982,982 km (0.107 R)
• M7: 3,510,164 km (0.066 R)
• M8: 4,191,732 km (0.032 R)
• M9: 4,877,190 km (0.06 R)
• M10: 5,323,590 km (0.07 R)
• M11: 7,556,787 km (0.085 R)
• M12: 10,015,577 km (0.094 R)
• M13: 10,495,188 km (0.109 R)
• M14: 11,026,111 km (0.026 R)
• M15: 11,837,380 km (0.099 R)
• M16: 13,047,477 km (0.103 R)
• M17: 13,745,352 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.6

Radius: 11.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.66 AU - 2.02 AU

Year: 1693 Days

Day: 10.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,558,432 km

• M1: 145,708 km (0.092 R)
• M2: 549,174 km (0.076 R)
• M3: 1,083,388 km (0.05 R)
• M4: 1,489,845 km (0.08 R)
• M5: 2,453,106 km (0.112 R)
• M6: 2,873,625 km (0.059 R)
• M7: 3,374,629 km (0.052 R)
• M8: 3,933,227 km (0.074 R)
• M9: 4,358,534 km (0.063 R)
• M10: 5,524,500 km (0.07 R)
• M11: 5,940,531 km (0.108 R)
• M12: 7,453,265 km (0.065 R)
• M13: 7,818,583 km (0.115 R)
• M14: 8,494,466 km (0.117 R)
• M15: 10,406,925 km (0.099 R)
• M16: 10,935,754 km (0.079 R)
• M17: 11,556,735 km (0.104 R)
• M18: 12,239,649 km (0.086 R)
• M19: 12,670,192 km (0.102 R)
• M20: 13,811,773 km (0.085 R)
• M21: 14,235,733 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.96 AU - 3.22 AU

Year: 2827 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,558,432 km

• M1: 99,632 km (0.1 R)
• M2: 450,290 km (0.084 R)
• M3: 778,956 km (0.087 R)
• M4: 1,099,245 km (0.04 R)
• M5: 1,357,900 km (0.104 R)
• M6: 1,777,522 km (0.105 R)
• M7: 2,220,930 km (0.114 R)
• M8: 2,708,769 km (0.104 R)
• M9: 2,963,833 km (0.103 R)
• M10: 5,716,733 km (0.105 R)
• M11: 6,019,669 km (0.069 R)
• M12: 7,072,389 km (0.103 R)
• M13: 7,476,752 km (0.051 R)
• M14: 8,691,187 km (0.033 R)
• M15: 10,542,760 km (0.103 R)
• M16: 11,359,266 km (0.117 R)
• M17: 12,217,509 km (0.109 R)
• M18: 12,721,205 km (0.047 R)
• M19: 13,687,607 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.7

Radius: 13

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.63 AU - 3.21 AU

Year: 3384 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,558,432 km

• M1: 161,865 km (0.066 R)
• M2: 596,746 km (0.115 R)
• M3: 1,529,788 km (0.115 R)
• M4: 2,098,858 km (0.098 R)
• M5: 2,795,685 km (0.101 R)
• M6: 4,156,876 km (0.113 R)
• M7: 4,586,820 km (0.115 R)
• M8: 7,203,736 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 14.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.57 AU - 5.79 AU

Year: 7996 Days

Day: 13.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,558,432 km

• M1: 185,352 km (0.036 R)
• M2: 696,378 km (0.1 R)
• M3: 1,251,985 km (0.032 R)
• M4: 3,029,806 km (0.048 R)
• M5: 3,603,813 km (0.055 R)
• M6: 4,515,163 km (0.073 R)
• M7: 5,378,791 km (0.091 R)
• M8: 5,865,433 km (0.077 R)
• M9: 6,475,643 km (0.098 R)
• M10: 7,752,610 km (0.037 R)
• M11: 8,565,376 km (0.077 R)
• M12: 9,191,742 km (0.104 R)
• M13: 10,274,681 km (0.074 R)
• M14: 12,945,601 km (0.099 R)
• M15: 14,198,184 km (0.093 R)
• M16: 15,472,908 km (0.077 R)
• M17: 16,344,615 km (0.112 R)
• M18: 18,960,333 km (0.083 R)
• M19: 23,617,465 km (0.088 R)
• M20: 25,484,895 km (0.118 R)
• M21: 26,948,860 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.9

Radius: 7

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.44 AU - 7 AU

Year: 9279 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,558,432 km

• M1: 87,814 km (0.105 R)
• M2: 548,426 km (0.071 R)
• M3: 924,964 km (0.068 R)
• M4: 1,256,772 km (0.11 R)
• M5: 1,758,373 km (0.112 R)
• M6: 2,180,090 km (0.092 R)
• M7: 2,464,176 km (0.076 R)
• M8: 3,061,371 km (0.094 R)
• M9: 3,884,458 km (0.117 R)
• M10: 4,973,381 km (0.099 R)
• M11: 5,851,670 km (0.082 R)
• M12: 6,948,821 km (0.113 R)
• M13: 8,087,859 km (0.069 R)
• M14: 9,152,398 km (0.091 R)
• M15: 10,464,670 km (0.052 R)
• M16: 10,892,670 km (0.073 R)
• M17: 12,246,530 km (0.086 R)
• M18: 12,542,136 km (0.09 R)
• M19: 13,520,207 km (0.099 R)
• M20: 13,963,615 km (0.065 R)
• M21: 14,746,461 km (0.092 R)
• M22: 18,325,290 km (0.093 R)
• M23: 19,422,441 km (0.091 R)
• M24: 21,404,164 km (0.076 R)
• M25: 23,335,622 km (0.03 R)
• M26: 26,741,966 km (0.075 R)
• M27: 29,083,621 km (0.079 R)
• M28: 33,246,182 km (0.097 R)
• M29: 35,828,840 km (0.115 R)
• M30: 38,290,173 km (0.101 R)
• M31: 42,729,191 km (0.09 R)
• M32: 45,777,248 km (0.035 R)
• M33: 46,633,097 km (0.105 R)
• M34: 48,083,000 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841

Radius: 7.7

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.71 AU - 7.37 AU

Year: 10068 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,558,432 km

• M1: 95,743 km (0.087 R)
• M2: 406,009 km (0.096 R)
• M3: 909,555 km (0.089 R)
• M4: 1,377,048 km (0.072 R)
• M5: 1,643,781 km (0.042 R)
• M6: 2,208,962 km (0.104 R)
• M7: 2,702,486 km (0.106 R)
• M8: 3,389,439 km (0.099 R)
• M9: 3,827,462 km (0.111 R)
• M10: 4,130,547 km (0.099 R)
• M11: 4,785,337 km (0.11 R)
• M12: 5,270,034 km (0.119 R)
• M13: 5,681,129 km (0.07 R)
• M14: 6,567,197 km (0.067 R)
• M15: 7,248,615 km (0.115 R)
• M16: 7,932,128 km (0.115 R)
• M17: 8,751,625 km (0.069 R)
• M18: 9,133,399 km (0.057 R)
• M19: 11,100,910 km (0.05 R)
• M20: 11,719,497 km (0.082 R)
• M21: 12,242,491 km (0.079 R)
• M22: 12,780,894 km (0.075 R)
• M23: 13,969,449 km (0.1 R)
• M24: 15,504,623 km (0.114 R)
• M25: 17,001,648 km (0.065 R)
• M26: 18,906,628 km (0.113 R)
• M27: 26,051,422 km (0.104 R)
• M28: 29,734,671 km (0.059 R)
• M29: 33,403,110 km (0.097 R)
• M30: 33,867,312 km (0.074 R)
• M31: 34,218,269 km (0.042 R)
• M32: 37,238,201 km (0.117 R)
• M33: 42,567,625 km (0.071 R)
• M34: 48,383,841 km (0.097 R)
• M35: 48,978,193 km (0.054 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: 159 - 10,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit