🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 9.3

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.94 AU

Year: 488 Days

Day: 9.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,269,689 km

• M1: 115,639 km (0.11 R)
• M2: 591,510 km (0.085 R)
• M3: 894,146 km (0.036 R)
• M4: 1,217,427 km (0.102 R)
• M5: 1,656,796 km (0.044 R)
• M6: 2,145,233 km (0.118 R)
• M7: 2,448,618 km (0.074 R)
• M8: 2,958,447 km (0.044 R)
• M9: 3,324,214 km (0.081 R)
• M10: 3,977,957 km (0.049 R)
• M11: 4,777,857 km (0.111 R)
• M12: 5,351,116 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 9.6

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.43 AU - 1.45 AU

Year: 1116 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,269,689 km

• M1: 119,529 km (0.066 R)
• M2: 911,201 km (0.052 R)
• M3: 1,415,944 km (0.117 R)
• M4: 2,045,601 km (0.073 R)
• M5: 2,431,414 km (0.088 R)
• M6: 3,519,140 km (0.113 R)
• M7: 4,007,877 km (0.118 R)
• M8: 5,664,075 km (0.111 R)
• M9: 5,971,648 km (0.079 R)
• M10: 6,336,816 km (0.093 R)
• M11: 7,213,460 km (0.112 R)
• M12: 7,522,978 km (0.099 R)
• M13: 8,058,538 km (0.109 R)
• M14: 8,448,540 km (0.076 R)
• M15: 11,263,672 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.3

Radius: 12.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.4 AU - 2.68 AU

Year: 2614 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,269,689 km

• M1: 151,692 km (0.072 R)
• M2: 937,380 km (0.077 R)
• M3: 1,830,779 km (0.119 R)
• M4: 2,274,785 km (0.102 R)
• M5: 3,214,260 km (0.081 R)
• M6: 4,518,903 km (0.117 R)
• M7: 4,917,880 km (0.109 R)
• M8: 5,500,115 km (0.091 R)
• M9: 6,369,877 km (0.065 R)
• M10: 7,038,879 km (0.088 R)
• M11: 7,527,166 km (0.109 R)
• M12: 9,272,375 km (0.051 R)
• M13: 10,224,416 km (0.11 R)
• M14: 10,660,943 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.1

Radius: 14.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.99 AU - 4.97 AU

Year: 5127 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,269,689 km

• M1: 180,265 km (0.08 R)
• M2: 729,290 km (0.034 R)
• M3: 1,290,581 km (0.114 R)
• M4: 1,788,293 km (0.091 R)
• M5: 4,160,018 km (0.103 R)
• M6: 4,925,809 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.3

Radius: 7.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.39 AU - 7.75 AU

Year: 10873 Days

Day: 15.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,269,689 km

• M1: 93,199 km (0.084 R)
• M2: 524,490 km (0.114 R)
• M3: 759,808 km (0.105 R)
• M4: 1,028,934 km (0.045 R)
• M5: 2,299,918 km (0.103 R)
• M6: 3,612,789 km (0.113 R)
• M7: 5,212,738 km (0.09 R)
• M8: 5,456,882 km (0.11 R)
• M9: 6,067,839 km (0.12 R)
• M10: 8,175,075 km (0.053 R)
• M11: 8,887,759 km (0.07 R)
• M12: 9,193,088 km (0.039 R)
• M13: 9,686,911 km (0.11 R)
• M14: 11,073,683 km (0.1 R)
• M15: 11,736,402 km (0.11 R)
• M16: 12,210,477 km (0.111 R)
• M17: 12,479,305 km (0.098 R)
• M18: 13,140,677 km (0.065 R)
• M19: 14,058,759 km (0.076 R)
• M20: 18,091,170 km (0.104 R)
• M21: 18,582,000 km (0.04 R)
• M22: 23,655,463 km (0.094 R)
• M23: 31,960,388 km (0.106 R)
• M24: 35,763,765 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.1

Radius: 6.6

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.89 AU - 7.85 AU

Year: 12919 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,269,689 km

• M1: 83,027 km (0.053 R)
• M2: 314,305 km (0.099 R)
• M3: 558,299 km (0.079 R)
• M4: 813,064 km (0.084 R)
• M5: 1,085,931 km (0.063 R)
• M6: 1,565,542 km (0.073 R)
• M7: 2,234,992 km (0.049 R)
• M8: 3,536,045 km (0.08 R)
• M9: 3,892,237 km (0.057 R)
• M10: 4,549,122 km (0.103 R)
• M11: 5,139,734 km (0.071 R)
• M12: 5,417,986 km (0.08 R)
• M13: 6,797,278 km (0.096 R)
• M14: 7,479,594 km (0.083 R)
• M15: 7,883,060 km (0.106 R)
• M16: 8,635,986 km (0.094 R)
• M17: 9,029,877 km (0.05 R)
• M18: 9,853,862 km (0.076 R)
• M19: 10,503,865 km (0.078 R)
• M20: 11,009,805 km (0.119 R)
• M21: 12,009,867 km (0.103 R)
• M22: 14,054,122 km (0.105 R)
• M23: 14,461,776 km (0.1 R)
• M24: 15,587,201 km (0.052 R)
• M25: 18,250,791 km (0.118 R)
• M26: 21,649,355 km (0.054 R)
• M27: 24,752,763 km (0.1 R)
• M28: 26,667,765 km (0.118 R)
• M29: 27,926,931 km (0.109 R)
• M30: 33,121,417 km (0.078 R)
• M31: 35,193,348 km (0.117 R)
• M32: 35,818,817 km (0.114 R)
• M33: 36,071,188 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609

Radius: 6

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.57 AU - 8.41 AU

Year: 14583 Days

Day: 15.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,269,689 km

• M1: 74,649 km (0.092 R)
• M2: 355,295 km (0.082 R)
• M3: 1,010,683 km (0.073 R)
• M4: 1,374,056 km (0.026 R)
• M5: 1,594,265 km (0.12 R)
• M6: 4,336,094 km (0.12 R)
• M7: 6,499,130 km (0.12 R)
• M8: 7,743,635 km (0.096 R)
• M9: 8,349,955 km (0.087 R)
• M10: 8,787,977 km (0.11 R)
• M11: 9,709,949 km (0.11 R)
• M12: 12,232,019 km (0.088 R)
• M13: 13,776,767 km (0.096 R)
• M14: 18,199,030 km (0.096 R)
• M15: 22,077,055 km (0.086 R)
• M16: 23,197,244 km (0.065 R)
• M17: 25,449,291 km (0.108 R)
• M18: 30,269,035 km (0.11 R)
• M19: 30,839,451 km (0.094 R)
• M20: 34,044,137 km (0.114 R)
• M21: 34,413,345 km (0.115 R)
• M22: 36,171,718 km (0.102 R)
• M23: 42,940,722 km (0.119 R)
• M24: 44,829,545 km (0.101 R)
• M25: 47,842,297 km (0.057 R)
• M26: 51,470,793 km (0.095 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: 366 - 11,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit