🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 10.2

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.63 AU - 1.01 AU

Year: 504 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,470,642 km

• M1: 126,859 km (0.105 R)
• M2: 505,342 km (0.03 R)
• M3: 826,379 km (0.088 R)
• M4: 1,216,679 km (0.115 R)
• M5: 1,986,211 km (0.067 R)
• M6: 2,359,158 km (0.114 R)
• M7: 3,022,326 km (0.119 R)
• M8: 3,441,798 km (0.096 R)
• M9: 4,437,671 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 14.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 0.98 AU

Year: 579 Days

Day: 12.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,470,642 km

• M1: 179,069 km (0.089 R)
• M2: 725,849 km (0.112 R)
• M3: 1,203,814 km (0.029 R)
• M4: 1,768,995 km (0.096 R)
• M5: 2,228,709 km (0.09 R)
• M6: 3,066,607 km (0.055 R)
• M7: 3,571,799 km (0.09 R)
• M8: 4,251,871 km (0.064 R)
• M9: 4,824,980 km (0.085 R)
• M10: 5,370,414 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 8.4

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.97 AU - 1.47 AU

Year: 914 Days

Day: 6.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,470,642 km

• M1: 104,719 km (0.037 R)
• M2: 588,219 km (0.026 R)
• M3: 942,766 km (0.088 R)
• M4: 1,220,270 km (0.066 R)
• M5: 1,604,138 km (0.091 R)
• M6: 1,897,200 km (0.112 R)
• M7: 2,521,173 km (0.06 R)
• M8: 2,960,093 km (0.105 R)
• M9: 3,318,380 km (0.111 R)
• M10: 4,105,714 km (0.078 R)
• M11: 4,552,413 km (0.109 R)
• M12: 4,843,231 km (0.087 R)
• M13: 5,523,004 km (0.109 R)
• M14: 6,787,255 km (0.053 R)
• M15: 7,663,151 km (0.034 R)
• M16: 8,075,891 km (0.06 R)
• M17: 8,448,989 km (0.12 R)
• M18: 9,087,173 km (0.041 R)
• M19: 9,374,401 km (0.069 R)
• M20: 9,876,751 km (0.111 R)
• M21: 10,241,919 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.27 AU - 1.45 AU

Year: 1076 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,470,642 km

• M1: 99,782 km (0.118 R)
• M2: 358,287 km (0.111 R)
• M3: 804,537 km (0.106 R)
• M4: 1,205,759 km (0.107 R)
• M5: 1,519,765 km (0.066 R)
• M6: 1,906,774 km (0.081 R)
• M7: 2,662,543 km (0.106 R)
• M8: 3,174,467 km (0.072 R)
• M9: 3,618,473 km (0.113 R)
• M10: 4,892,898 km (0.064 R)
• M11: 5,239,516 km (0.066 R)
• M12: 5,602,440 km (0.088 R)
• M13: 6,882,250 km (0.108 R)
• M14: 7,554,692 km (0.067 R)
• M15: 7,943,946 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.9

Radius: 13.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.77 AU - 2.07 AU

Year: 1804 Days

Day: 13.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,470,642 km

• M1: 167,998 km (0.117 R)
• M2: 608,564 km (0.025 R)
• M3: 1,096,104 km (0.088 R)
• M4: 2,376,661 km (0.086 R)
• M5: 3,501,488 km (0.063 R)
• M6: 5,709,702 km (0.07 R)
• M7: 6,779,476 km (0.113 R)
• M8: 7,305,612 km (0.1 R)
• M9: 8,009,171 km (0.074 R)
• M10: 9,416,139 km (0.087 R)
• M11: 10,611,875 km (0.088 R)
• M12: 12,510,122 km (0.09 R)
• M13: 13,432,243 km (0.101 R)
• M14: 14,853,872 km (0.105 R)
• M15: 15,412,021 km (0.114 R)
• M16: 16,275,650 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 10.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.74 AU - 3.8 AU

Year: 4011 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,470,642 km

• M1: 135,835 km (0.116 R)
• M2: 510,877 km (0.073 R)
• M3: 863,629 km (0.066 R)
• M4: 1,333,366 km (0.099 R)
• M5: 1,752,838 km (0.095 R)
• M6: 2,786,859 km (0.112 R)
• M7: 4,127,704 km (0.082 R)
• M8: 4,918,180 km (0.087 R)
• M9: 6,012,488 km (0.109 R)
• M10: 6,493,146 km (0.042 R)
• M11: 6,884,494 km (0.095 R)
• M12: 7,351,090 km (0.099 R)
• M13: 7,807,662 km (0.115 R)
• M14: 8,413,085 km (0.04 R)
• M15: 9,503,354 km (0.119 R)
• M16: 10,268,398 km (0.09 R)
• M17: 11,034,788 km (0.077 R)
• M18: 12,638,477 km (0.061 R)
• M19: 13,563,740 km (0.072 R)
• M20: 15,108,039 km (0.119 R)
• M21: 15,548,903 km (0.114 R)
• M22: 16,456,364 km (0.082 R)
• M23: 17,186,252 km (0.105 R)
• M24: 17,559,200 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.5

Radius: 14.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.75 AU - 5.31 AU

Year: 6539 Days

Day: 10.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,470,642 km

• M1: 178,021 km (0.077 R)
• M2: 720,613 km (0.074 R)
• M3: 1,298,510 km (0.098 R)
• M4: 2,036,177 km (0.114 R)
• M5: 2,573,233 km (0.116 R)
• M6: 3,024,420 km (0.091 R)
• M7: 4,177,969 km (0.07 R)
• M8: 4,905,763 km (0.116 R)
• M9: 5,716,883 km (0.08 R)
• M10: 7,147,786 km (0.109 R)
• M11: 7,878,572 km (0.085 R)
• M12: 8,732,028 km (0.105 R)
• M13: 9,765,151 km (0.06 R)
• M14: 10,498,180 km (0.08 R)
• M15: 11,756,149 km (0.087 R)
• M16: 12,492,170 km (0.044 R)
• M17: 16,415,225 km (0.085 R)
• M18: 17,748,441 km (0.11 R)
• M19: 18,965,270 km (0.041 R)
• M20: 20,172,226 km (0.108 R)
• M21: 20,695,519 km (0.072 R)
• M22: 21,160,918 km (0.054 R)
• M23: 22,879,947 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.5

Radius: 5.3

Gravity: 32.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.03 AU - 9.67 AU

Year: 14917 Days

Day: 16.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,470,642 km

• M1: 65,973 km (0.112 R)
• M2: 347,217 km (0.101 R)
• M3: 567,425 km (0.083 R)
• M4: 848,370 km (0.097 R)
• M5: 1,126,322 km (0.109 R)
• M6: 1,315,414 km (0.105 R)
• M7: 2,694,856 km (0.073 R)
• M8: 3,010,956 km (0.12 R)
• M9: 5,720,024 km (0.104 R)
• M10: 7,474,059 km (0.073 R)
• M11: 7,902,358 km (0.057 R)
• M12: 10,176,844 km (0.12 R)
• M13: 11,619,267 km (0.118 R)
• M14: 13,124,520 km (0.056 R)
• M15: 13,677,135 km (0.118 R)
• M16: 14,245,158 km (0.081 R)
• M17: 16,200,103 km (0.101 R)
• M18: 17,488,141 km (0.104 R)
• M19: 20,175,218 km (0.052 R)
• M20: 22,435,492 km (0.082 R)
• M21: 22,729,452 km (0.075 R)
• M22: 28,354,481 km (0.083 R)
• M23: 28,698,108 km (0.103 R)
• M24: 32,288,157 km (0.059 R)
• M25: 36,032,293 km (0.112 R)
• M26: 40,778,584 km (0.118 R)
• M27: 41,070,151 km (0.115 R)
• M28: 41,363,063 km (0.061 R)
• M29: 42,848,421 km (0.107 R)
• M30: 46,876,044 km (0.065 R)
• M31: 49,145,892 km (0.087 R)
• M32: 51,658,090 km (0.094 R)
• M33: 56,574,025 km (0.029 R)
• M34: 63,927,808 km (0.069 R)
• M35: 66,513,756 km (0.027 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.9

Radius: 3.8

Gravity: 60.73 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.5 AU - 9.4 AU

Year: 18160 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,470,642 km

• M1: 47,572 km (0.039 R)
• M2: 246,388 km (0.119 R)
• M3: 603,927 km (0.106 R)
• M4: 1,916,050 km (0.092 R)
• M5: 2,116,810 km (0.103 R)
• M6: 2,265,660 km (0.102 R)
• M7: 2,584,303 km (0.065 R)
• M8: 2,779,379 km (0.111 R)
• M9: 4,228,833 km (0.095 R)
• M10: 5,824,443 km (0.076 R)
• M11: 8,503,143 km (0.12 R)
• M12: 8,825,526 km (0.12 R)
• M13: 9,551,974 km (0.074 R)
• M14: 11,770,660 km (0.112 R)
• M15: 13,498,814 km (0.093 R)
• M16: 15,468,121 km (0.107 R)
• M17: 23,964,532 km (0.094 R)
• M18: 27,641,049 km (0.092 R)
• M19: 29,551,563 km (0.071 R)
• M20: 35,947,321 km (0.104 R)
• M21: 37,786,777 km (0.101 R)
• M22: 50,330,857 km (0.079 R)
• M23: 50,505,139 km (0.112 R)
• M24: 50,855,198 km (0.104 R)
• M25: 51,559,953 km (0.109 R)
• M26: 52,809,096 km (0.116 R)
• M27: 54,997,114 km (0.066 R)
• M28: 55,739,718 km (0.063 R)
• M29: 58,776,854 km (0.102 R)
• M30: 59,358,341 km (0.089 R)
• M31: 65,801,222 km (0.045 R)
• M32: 77,470,604 km (0.119 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: 387 - 16,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit