🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855

Radius: 9.8

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.11 AU - 1.73 AU

Year: 1110 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 93,407,494 km

• M1: 121,922 km (0.039 R)
• M2: 463,305 km (0.045 R)
• M3: 769,232 km (0.084 R)
• M4: 1,175,690 km (0.093 R)
• M5: 1,596,658 km (0.054 R)
• M6: 2,000,423 km (0.088 R)
• M7: 2,318,318 km (0.117 R)
• M8: 2,826,353 km (0.093 R)
• M9: 3,831,650 km (0.046 R)
• M10: 4,730,584 km (0.087 R)
• M11: 5,239,965 km (0.117 R)
• M12: 6,094,916 km (0.102 R)
• M13: 6,415,355 km (0.113 R)
• M14: 7,626,350 km (0.105 R)
• M15: 8,053,003 km (0.107 R)
• M16: 8,552,061 km (0.101 R)
• M17: 9,520,408 km (0.065 R)
• M18: 9,859,098 km (0.102 R)
• M19: 10,173,852 km (0.057 R)
• M20: 11,363,005 km (0.071 R)
• M21: 11,920,258 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 11.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.86 AU - 1.9 AU

Year: 1691 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,407,494 km

• M1: 138,079 km (0.054 R)
• M2: 625,768 km (0.119 R)
• M3: 1,006,943 km (0.108 R)
• M4: 2,033,783 km (0.039 R)
• M5: 2,387,582 km (0.106 R)
• M6: 3,394,525 km (0.081 R)
• M7: 4,526,832 km (0.098 R)
• M8: 5,011,080 km (0.11 R)
• M9: 5,779,115 km (0.049 R)
• M10: 6,325,447 km (0.116 R)
• M11: 7,744,233 km (0.112 R)
• M12: 10,187,316 km (0.084 R)
• M13: 10,773,590 km (0.049 R)
• M14: 11,676,413 km (0.109 R)
• M15: 13,468,595 km (0.111 R)
• M16: 14,302,454 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.3

Radius: 12

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.87 AU - 1.91 AU

Year: 1705 Days

Day: 8.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,407,494 km

• M1: 149,299 km (0.093 R)
• M2: 584,030 km (0.075 R)
• M3: 998,566 km (0.081 R)
• M4: 1,404,275 km (0.117 R)
• M5: 1,881,941 km (0.064 R)
• M6: 2,395,361 km (0.1 R)
• M7: 3,334,237 km (0.05 R)
• M8: 3,773,008 km (0.118 R)
• M9: 4,503,943 km (0.085 R)
• M10: 6,132,914 km (0.119 R)
• M11: 7,478,846 km (0.092 R)
• M12: 9,252,628 km (0.103 R)
• M13: 9,901,883 km (0.102 R)
• M14: 10,614,418 km (0.102 R)
• M15: 11,818,232 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.7

Radius: 10.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.33 AU - 3.87 AU

Year: 3581 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,407,494 km

• M1: 136,284 km (0.097 R)
• M2: 533,316 km (0.117 R)
• M3: 1,393,654 km (0.064 R)
• M4: 2,100,952 km (0.086 R)
• M5: 2,505,016 km (0.101 R)
• M6: 3,333,340 km (0.096 R)
• M7: 4,944,210 km (0.068 R)
• M8: 5,721,071 km (0.049 R)
• M9: 6,065,745 km (0.059 R)
• M10: 6,454,550 km (0.063 R)
• M11: 7,216,452 km (0.105 R)
• M12: 8,470,381 km (0.029 R)
• M13: 9,188,152 km (0.101 R)
• M14: 10,110,572 km (0.108 R)
• M15: 10,530,493 km (0.087 R)
• M16: 12,186,243 km (0.117 R)
• M17: 13,348,917 km (0.112 R)
• M18: 13,752,532 km (0.118 R)
• M19: 18,003,655 km (0.107 R)
• M20: 18,372,563 km (0.069 R)
• M21: 20,492,814 km (0.119 R)
• M22: 20,895,083 km (0.101 R)
• M23: 23,493,747 km (0.119 R)
• M24: 24,082,714 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.3

Radius: 6.1

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.57 AU - 10.25 AU

Year: 17447 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,407,494 km

• M1: 76,145 km (0.074 R)
• M2: 425,456 km (0.095 R)
• M3: 1,021,305 km (0.115 R)
• M4: 2,385,188 km (0.089 R)
• M5: 2,710,564 km (0.096 R)
• M6: 2,919,702 km (0.109 R)
• M7: 3,724,239 km (0.12 R)
• M8: 5,355,604 km (0.103 R)
• M9: 6,108,679 km (0.103 R)
• M10: 6,634,815 km (0.098 R)
• M11: 7,412,425 km (0.054 R)
• M12: 7,776,995 km (0.028 R)
• M13: 8,394,685 km (0.075 R)
• M14: 14,422,731 km (0.066 R)
• M15: 21,244,094 km (0.09 R)
• M16: 23,792,943 km (0.042 R)
• M17: 38,951,097 km (0.09 R)
• M18: 41,030,806 km (0.096 R)
• M19: 41,455,365 km (0.093 R)
• M20: 42,892,103 km (0.111 R)
• M21: 43,769,794 km (0.12 R)
• M22: 44,065,100 km (0.052 R)
• M23: 50,738,362 km (0.093 R)
• M24: 53,216,002 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.8

Radius: 6

Gravity: 24.05 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.18 AU - 10.5 AU

Year: 21812 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,407,494 km

• M1: 79,436 km (0.116 R)
• M2: 340,186 km (0.115 R)
• M3: 608,415 km (0.114 R)
• M4: 847,023 km (0.081 R)
• M5: 1,120,488 km (0.08 R)
• M6: 1,386,922 km (0.115 R)
• M7: 1,945,670 km (0.068 R)
• M8: 2,745,121 km (0.108 R)
• M9: 4,594,151 km (0.056 R)
• M10: 5,523,901 km (0.112 R)
• M11: 7,493,208 km (0.072 R)
• M12: 8,278,148 km (0.032 R)
• M13: 9,116,494 km (0.089 R)
• M14: 16,891,544 km (0.098 R)
• M15: 17,154,837 km (0.067 R)
• M16: 21,133,093 km (0.073 R)
• M17: 23,227,014 km (0.115 R)
• M18: 24,102,012 km (0.111 R)
• M19: 29,563,830 km (0.117 R)
• M20: 32,852,141 km (0.11 R)
• M21: 34,373,252 km (0.037 R)
• M22: 38,455,778 km (0.107 R)
• M23: 44,999,488 km (0.101 R)
• M24: 46,528,977 km (0.038 R)
• M25: 47,917,245 km (0.108 R)
• M26: 49,691,326 km (0.11 R)
• M27: 50,958,869 km (0.116 R)
• M28: 68,555,468 km (0.112 R)
• M29: 69,449,615 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.4

Radius: 8

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 8.1 AU - 13.22 AU

Year: 22832 Days

Day: 15.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,407,494 km

• M1: 102,475 km (0.054 R)
• M2: 384,018 km (0.063 R)
• M3: 780,751 km (0.109 R)
• M4: 1,325,886 km (0.089 R)
• M5: 1,875,509 km (0.097 R)
• M6: 2,147,777 km (0.091 R)
• M7: 2,933,315 km (0.094 R)
• M8: 3,734,561 km (0.095 R)
• M9: 4,489,283 km (0.09 R)
• M10: 7,993,762 km (0.111 R)
• M11: 10,548,146 km (0.068 R)
• M12: 10,876,663 km (0.042 R)
• M13: 11,974,262 km (0.108 R)
• M14: 14,548,692 km (0.1 R)
• M15: 15,371,032 km (0.112 R)
• M16: 17,108,012 km (0.09 R)
• M17: 18,024,000 km (0.092 R)
• M18: 21,909,805 km (0.116 R)
• M19: 24,103,807 km (0.083 R)
• M20: 27,663,489 km (0.083 R)
• M21: 28,541,778 km (0.076 R)
• M22: 28,923,851 km (0.077 R)
• M23: 31,423,182 km (0.083 R)
• M24: 41,383,708 km (0.09 R)
• M25: 42,366,566 km (0.111 R)
• M26: 51,358,595 km (0.037 R)
• M27: 52,875,367 km (0.089 R)
• M28: 63,469,739 km (0.096 R)
• M29: 69,720,536 km (0.096 R)
• M30: 79,595,193 km (0.084 R)
• M31: 86,317,074 km (0.094 R)
• M32: 87,383,707 km (0.03 R)
• M33: 89,271,333 km (0.095 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: 379 - 18,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit