🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 12.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.85 AU - 0.99 AU

Year: 609 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,818,899 km

• M1: 155,432 km (0.049 R)
• M2: 568,771 km (0.054 R)
• M3: 1,023,997 km (0.041 R)
• M4: 1,454,690 km (0.069 R)
• M5: 2,150,619 km (0.107 R)
• M6: 2,886,491 km (0.057 R)
• M7: 3,645,251 km (0.101 R)
• M8: 4,072,353 km (0.104 R)
• M9: 4,935,683 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.4

Radius: 11.2

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.87 AU - 1.13 AU

Year: 690 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,818,899 km

• M1: 139,276 km (0.085 R)
• M2: 531,970 km (0.04 R)
• M3: 951,143 km (0.091 R)
• M4: 1,368,821 km (0.07 R)
• M5: 1,954,047 km (0.064 R)
• M6: 2,305,902 km (0.086 R)
• M7: 2,666,881 km (0.086 R)
• M8: 3,216,205 km (0.106 R)
• M9: 4,320,087 km (0.091 R)
• M10: 5,203,762 km (0.089 R)
• M11: 5,585,685 km (0.114 R)
• M12: 6,888,683 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 12.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.92 AU - 1.2 AU

Year: 753 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,818,899 km

• M1: 158,424 km (0.032 R)
• M2: 649,704 km (0.07 R)
• M3: 1,590,525 km (0.069 R)
• M4: 2,120,101 km (0.081 R)
• M5: 2,702,486 km (0.088 R)
• M6: 3,136,768 km (0.101 R)
• M7: 3,979,752 km (0.057 R)
• M8: 5,608,424 km (0.071 R)
• M9: 6,359,854 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 13.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.31 AU - 1.41 AU

Year: 1095 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,818,899 km

• M1: 173,683 km (0.07 R)
• M2: 668,702 km (0.077 R)
• M3: 1,179,579 km (0.083 R)
• M4: 1,689,110 km (0.09 R)
• M5: 2,920,749 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 10.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.19 AU - 1.67 AU

Year: 1180 Days

Day: 15 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,818,899 km

• M1: 128,205 km (0.05 R)
• M2: 526,435 km (0.091 R)
• M3: 888,611 km (0.101 R)
• M4: 1,447,210 km (0.099 R)
• M5: 2,194,750 km (0.039 R)
• M6: 2,536,581 km (0.112 R)
• M7: 3,124,202 km (0.1 R)
• M8: 3,899,568 km (0.098 R)
• M9: 4,974,129 km (0.043 R)
• M10: 5,379,988 km (0.11 R)
• M11: 6,445,125 km (0.071 R)
• M12: 6,903,643 km (0.116 R)
• M13: 7,306,659 km (0.043 R)
• M14: 8,187,342 km (0.118 R)
• M15: 10,814,879 km (0.105 R)
• M16: 11,673,421 km (0.087 R)
• M17: 12,065,367 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 8.2

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.05 AU - 2.81 AU

Year: 2615 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,818,899 km

• M1: 102,175 km (0.111 R)
• M2: 363,224 km (0.117 R)
• M3: 887,714 km (0.098 R)
• M4: 1,168,659 km (0.111 R)
• M5: 1,550,283 km (0.084 R)
• M6: 1,916,349 km (0.11 R)
• M7: 4,193,976 km (0.086 R)
• M8: 5,381,335 km (0.101 R)
• M9: 5,986,907 km (0.117 R)
• M10: 6,921,744 km (0.098 R)
• M11: 7,638,018 km (0.103 R)
• M12: 8,974,675 km (0.057 R)
• M13: 9,825,887 km (0.081 R)
• M14: 10,271,240 km (0.102 R)
• M15: 10,846,743 km (0.038 R)
• M16: 11,443,489 km (0.025 R)
• M17: 12,358,131 km (0.052 R)
• M18: 16,925,952 km (0.093 R)
• M19: 17,674,390 km (0.112 R)
• M20: 18,111,814 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 14.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.83 AU - 3.85 AU

Year: 4213 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,818,899 km

• M1: 184,155 km (0.115 R)
• M2: 817,852 km (0.088 R)
• M3: 1,773,932 km (0.105 R)
• M4: 2,569,343 km (0.055 R)
• M5: 3,031,750 km (0.103 R)
• M6: 5,894,306 km (0.093 R)
• M7: 7,671,379 km (0.113 R)
• M8: 8,885,665 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143

Radius: 5.8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.72 AU - 9.76 AU

Year: 17835 Days

Day: 18.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,818,899 km

• M1: 74,649 km (0.116 R)
• M2: 319,691 km (0.093 R)
• M3: 560,394 km (0.061 R)
• M4: 1,414,597 km (0.076 R)
• M5: 1,684,173 km (0.087 R)
• M6: 2,256,085 km (0.074 R)
• M7: 2,529,550 km (0.119 R)
• M8: 3,055,836 km (0.087 R)
• M9: 3,508,369 km (0.099 R)
• M10: 3,750,867 km (0.069 R)
• M11: 3,978,555 km (0.062 R)
• M12: 4,660,123 km (0.109 R)
• M13: 4,923,715 km (0.116 R)
• M14: 6,078,461 km (0.116 R)
• M15: 6,755,840 km (0.11 R)
• M16: 10,411,563 km (0.105 R)
• M17: 11,483,881 km (0.066 R)
• M18: 11,857,127 km (0.105 R)
• M19: 14,329,830 km (0.082 R)
• M20: 26,532,529 km (0.092 R)
• M21: 29,900,575 km (0.054 R)
• M22: 30,302,694 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.4

Radius: 5.7

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.18 AU - 10.88 AU

Year: 20307 Days

Day: 25 Hours

Environment

Temp: -244 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,818,899 km

• M1: 81,082 km (0.073 R)
• M2: 262,095 km (0.099 R)
• M3: 593,904 km (0.116 R)
• M4: 835,055 km (0.09 R)
• M5: 1,667,867 km (0.107 R)
• M6: 1,976,786 km (0.068 R)
• M7: 2,280,320 km (0.09 R)
• M8: 2,685,282 km (0.064 R)
• M9: 3,380,912 km (0.109 R)
• M10: 4,190,087 km (0.087 R)
• M11: 5,976,734 km (0.049 R)
• M12: 6,833,481 km (0.079 R)
• M13: 7,385,348 km (0.047 R)
• M14: 12,240,547 km (0.112 R)
• M15: 17,661,674 km (0.117 R)
• M16: 18,697,789 km (0.116 R)
• M17: 19,773,996 km (0.061 R)
• M18: 20,141,708 km (0.064 R)
• M19: 24,916,722 km (0.054 R)
• M20: 25,779,603 km (0.064 R)
• M21: 26,998,227 km (0.084 R)
• M22: 28,139,060 km (0.096 R)
• M23: 28,487,623 km (0.104 R)
• M24: 31,007,599 km (0.051 R)
• M25: 33,672,386 km (0.079 R)
• M26: 36,486,023 km (0.099 R)
• M27: 39,019,313 km (0.081 R)
• M28: 40,035,233 km (0.113 R)
• M29: 40,623,601 km (0.071 R)
• M30: 41,217,804 km (0.056 R)
• M31: 41,517,149 km (0.058 R)
• M32: 43,035,119 km (0.109 R)
• M33: 44,905,092 km (0.11 R)
• M34: 51,876,353 km (0.114 R)
• M35: 58,775,208 km (0.081 R)
• M36: 63,035,905 km (0.053 R)
• M37: 67,705,752 km (0.096 R)
• M38: 68,331,371 km (0.102 R)
• M39: 71,301,786 km (0.075 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: 444 - 14,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit