🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.5

Radius: 9.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 11.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,610,115 km

• M1: 119,529 km (0.092 R)
• M2: 480,060 km (0.067 R)
• M3: 895,194 km (0.108 R)
• M4: 1,362,986 km (0.097 R)
• M5: 1,712,447 km (0.114 R)
• M6: 2,019,571 km (0.103 R)
• M7: 2,642,946 km (0.107 R)
• M8: 3,119,265 km (0.119 R)
• M9: 3,467,978 km (0.067 R)
• M10: 3,952,974 km (0.099 R)
• M11: 4,375,738 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 10.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.83 AU - 1.07 AU

Year: 617 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,610,115 km

• M1: 128,205 km (0.105 R)
• M2: 677,379 km (0.092 R)
• M3: 1,497,774 km (0.086 R)
• M4: 2,485,868 km (0.064 R)
• M5: 4,413,586 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 10.1

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.07 AU - 1.33 AU

Year: 877 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,610,115 km

• M1: 139,126 km (0.105 R)
• M2: 455,376 km (0.103 R)
• M3: 921,672 km (0.115 R)
• M4: 1,588,281 km (0.094 R)
• M5: 1,923,230 km (0.038 R)
• M6: 2,515,937 km (0.109 R)
• M7: 2,937,504 km (0.079 R)
• M8: 4,476,567 km (0.09 R)
• M9: 4,861,332 km (0.096 R)
• M10: 5,460,472 km (0.04 R)
• M11: 6,320,660 km (0.111 R)
• M12: 7,339,870 km (0.067 R)
• M13: 8,027,272 km (0.048 R)
• M14: 8,386,756 km (0.09 R)
• M15: 8,973,479 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.5

Radius: 11.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.34 AU - 1.54 AU

Year: 1152 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,610,115 km

• M1: 143,016 km (0.033 R)
• M2: 625,469 km (0.027 R)
• M3: 996,920 km (0.085 R)
• M4: 1,489,396 km (0.109 R)
• M5: 2,079,410 km (0.114 R)
• M6: 2,488,411 km (0.12 R)
• M7: 3,225,031 km (0.102 R)
• M8: 3,986,185 km (0.082 R)
• M9: 4,569,467 km (0.08 R)
• M10: 5,612,314 km (0.102 R)
• M11: 6,414,158 km (0.101 R)
• M12: 7,797,041 km (0.064 R)
• M13: 8,489,978 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 10.1

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.35 AU - 3.43 AU

Year: 4162 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,610,115 km

• M1: 125,662 km (0.089 R)
• M2: 455,675 km (0.086 R)
• M3: 834,307 km (0.096 R)
• M4: 1,206,208 km (0.106 R)
• M5: 1,714,092 km (0.076 R)
• M6: 2,299,618 km (0.047 R)
• M7: 2,959,495 km (0.095 R)
• M8: 3,656,920 km (0.108 R)
• M9: 4,180,363 km (0.073 R)
• M10: 4,678,823 km (0.075 R)
• M11: 5,189,999 km (0.082 R)
• M12: 6,203,824 km (0.108 R)
• M13: 6,694,804 km (0.119 R)
• M14: 7,211,515 km (0.083 R)
• M15: 9,429,303 km (0.096 R)
• M16: 10,543,060 km (0.054 R)
• M17: 10,933,061 km (0.116 R)
• M18: 11,422,845 km (0.051 R)
• M19: 16,921,913 km (0.103 R)
• M20: 18,374,658 km (0.075 R)
• M21: 18,940,287 km (0.117 R)
• M22: 20,707,188 km (0.083 R)
• M23: 22,225,905 km (0.115 R)
• M24: 22,724,515 km (0.107 R)
• M25: 26,584,290 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 13.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.73 AU - 4.03 AU

Year: 5097 Days

Day: 5 Hours

Environment

Temp: -229 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,610,115 km

• M1: 164,109 km (0.096 R)
• M2: 818,450 km (0.086 R)
• M3: 1,789,939 km (0.116 R)
• M4: 2,524,015 km (0.109 R)
• M5: 3,059,576 km (0.061 R)
• M6: 3,806,967 km (0.092 R)
• M7: 4,515,761 km (0.094 R)
• M8: 5,224,556 km (0.076 R)
• M9: 6,133,513 km (0.102 R)
• M10: 7,216,302 km (0.073 R)
• M11: 8,109,252 km (0.064 R)
• M12: 11,476,700 km (0.102 R)
• M13: 12,329,857 km (0.108 R)
• M14: 13,496,122 km (0.119 R)
• M15: 15,262,723 km (0.116 R)
• M16: 16,669,691 km (0.102 R)
• M17: 18,768,698 km (0.11 R)
• M18: 20,818,488 km (0.074 R)
• M19: 27,416,802 km (0.11 R)
• M20: 29,769,527 km (0.081 R)
• M21: 32,058,076 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 11.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.01 AU - 5.81 AU

Year: 7255 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,610,115 km

• M1: 141,220 km (0.101 R)
• M2: 518,357 km (0.089 R)
• M3: 1,166,863 km (0.088 R)
• M4: 2,074,324 km (0.064 R)
• M5: 2,426,328 km (0.053 R)
• M6: 3,253,754 km (0.04 R)
• M7: 4,107,509 km (0.047 R)
• M8: 4,461,308 km (0.066 R)
• M9: 5,727,953 km (0.073 R)
• M10: 6,228,059 km (0.083 R)
• M11: 6,757,037 km (0.117 R)
• M12: 7,905,499 km (0.114 R)
• M13: 11,863,560 km (0.059 R)
• M14: 12,448,039 km (0.041 R)
• M15: 13,384,821 km (0.107 R)
• M16: 14,367,978 km (0.026 R)
• M17: 14,774,435 km (0.117 R)
• M18: 16,094,337 km (0.091 R)
• M19: 17,838,499 km (0.082 R)
• M20: 18,190,054 km (0.07 R)
• M21: 20,782,435 km (0.078 R)
• M22: 21,302,886 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.3

Radius: 6.5

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.95 AU - 8.23 AU

Year: 12589 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,610,115 km

• M1: 84,822 km (0.103 R)
• M2: 848,070 km (0.075 R)
• M3: 1,651,411 km (0.106 R)
• M4: 1,860,250 km (0.033 R)
• M5: 2,197,593 km (0.108 R)
• M6: 4,318,591 km (0.057 R)
• M7: 5,142,876 km (0.115 R)
• M8: 5,556,813 km (0.116 R)
• M9: 6,850,984 km (0.062 R)
• M10: 10,339,756 km (0.066 R)
• M11: 13,657,388 km (0.115 R)
• M12: 17,165,308 km (0.114 R)
• M13: 18,324,393 km (0.109 R)
• M14: 19,534,939 km (0.113 R)
• M15: 20,117,622 km (0.093 R)
• M16: 20,970,181 km (0.114 R)
• M17: 22,474,387 km (0.118 R)
• M18: 24,525,973 km (0.102 R)
• M19: 27,416,503 km (0.074 R)
• M20: 28,146,839 km (0.078 R)
• M21: 28,890,042 km (0.105 R)
• M22: 38,855,205 km (0.1 R)
• M23: 42,349,512 km (0.103 R)
• M24: 48,125,635 km (0.115 R)
• M25: 52,787,105 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.7

Radius: 5.2

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.54 AU - 8.74 AU

Year: 12723 Days

Day: 18.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,610,115 km

• M1: 64,776 km (0.12 R)
• M2: 238,309 km (0.113 R)
• M3: 406,457 km (0.109 R)
• M4: 1,165,367 km (0.112 R)
• M5: 2,320,113 km (0.057 R)
• M6: 3,084,858 km (0.111 R)
• M7: 3,978,256 km (0.077 R)
• M8: 7,183,241 km (0.104 R)
• M9: 9,341,340 km (0.107 R)
• M10: 9,632,308 km (0.102 R)
• M11: 12,704,450 km (0.106 R)
• M12: 12,882,321 km (0.058 R)
• M13: 13,920,979 km (0.09 R)
• M14: 14,109,922 km (0.112 R)
• M15: 15,014,540 km (0.087 R)
• M16: 16,583,373 km (0.114 R)
• M17: 18,333,518 km (0.081 R)
• M18: 19,020,472 km (0.102 R)
• M19: 19,409,426 km (0.093 R)
• M20: 20,283,826 km (0.116 R)
• M21: 22,282,154 km (0.066 R)
• M22: 22,540,809 km (0.094 R)
• M23: 23,954,359 km (0.114 R)
• M24: 24,682,901 km (0.095 R)
• M25: 24,867,205 km (0.063 R)
• M26: 25,993,079 km (0.045 R)
• M27: 26,762,161 km (0.09 R)
• M28: 30,306,285 km (0.11 R)
• M29: 30,517,666 km (0.074 R)
• M30: 32,245,073 km (0.119 R)
• M31: 32,576,133 km (0.082 R)
• M32: 32,798,136 km (0.067 R)
• M33: 35,657,849 km (0.117 R)
• M34: 39,053,123 km (0.112 R)
• M35: 41,346,009 km (0.025 R)
• M36: 43,323,992 km (0.055 R)
• M37: 44,677,254 km (0.106 R)
• M38: 45,364,208 km (0.062 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 17,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit