🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.4

Radius: 14.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,162,915 km

• M1: 181,612 km (0.083 R)
• M2: 636,240 km (0.066 R)
• M3: 1,101,190 km (0.098 R)
• M4: 1,634,058 km (0.12 R)
• M5: 2,146,580 km (0.084 R)
• M6: 2,651,323 km (0.105 R)
• M7: 3,403,352 km (0.055 R)
• M8: 4,681,217 km (0.096 R)
• M9: 5,197,628 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.7

Radius: 13.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.02 AU - 1.06 AU

Year: 732 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,162,915 km

• M1: 169,345 km (0.09 R)
• M2: 625,917 km (0.085 R)
• M3: 1,075,309 km (0.048 R)
• M4: 1,539,811 km (0.092 R)
• M5: 1,983,518 km (0.102 R)
• M6: 2,814,235 km (0.043 R)
• M7: 4,042,434 km (0.052 R)
• M8: 4,703,207 km (0.061 R)
• M9: 5,733,638 km (0.105 R)
• M10: 6,549,245 km (0.094 R)
• M11: 7,039,777 km (0.085 R)
• M12: 7,463,438 km (0.119 R)
• M13: 8,143,210 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189

Radius: 10.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.04 AU - 1.64 AU

Year: 1071 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,162,915 km

• M1: 130,599 km (0.108 R)
• M2: 518,506 km (0.104 R)
• M3: 903,870 km (0.11 R)
• M4: 1,659,788 km (0.113 R)
• M5: 2,152,265 km (0.108 R)
• M6: 2,540,022 km (0.035 R)
• M7: 3,246,573 km (0.049 R)
• M8: 3,786,920 km (0.06 R)
• M9: 5,266,144 km (0.038 R)
• M10: 5,703,120 km (0.12 R)
• M11: 6,088,783 km (0.047 R)
• M12: 6,649,925 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 9.5

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.26 AU - 1.42 AU

Year: 1071 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,162,915 km

• M1: 118,182 km (0.083 R)
• M2: 575,353 km (0.101 R)
• M3: 908,209 km (0.072 R)
• M4: 1,629,121 km (0.077 R)
• M5: 2,056,522 km (0.034 R)
• M6: 2,546,754 km (0.103 R)
• M7: 3,454,065 km (0.09 R)
• M8: 4,336,842 km (0.105 R)
• M9: 5,933,500 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.5

Radius: 5.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.8 AU - 6.9 AU

Year: 11045 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,162,915 km

• M1: 73,303 km (0.109 R)
• M2: 492,327 km (0.092 R)
• M3: 702,811 km (0.107 R)
• M4: 1,144,873 km (0.103 R)
• M5: 1,954,047 km (0.092 R)
• M6: 3,013,799 km (0.079 R)
• M7: 3,827,162 km (0.099 R)
• M8: 4,751,528 km (0.115 R)
• M9: 6,387,979 km (0.083 R)
• M10: 6,961,687 km (0.083 R)
• M11: 7,980,747 km (0.118 R)
• M12: 9,304,988 km (0.113 R)
• M13: 9,560,650 km (0.095 R)
• M14: 9,997,027 km (0.106 R)
• M15: 10,220,227 km (0.107 R)
• M16: 11,146,388 km (0.037 R)
• M17: 11,827,058 km (0.059 R)
• M18: 15,119,258 km (0.09 R)
• M19: 16,566,618 km (0.091 R)
• M20: 18,103,886 km (0.082 R)
• M21: 19,043,211 km (0.069 R)
• M22: 19,386,538 km (0.09 R)
• M23: 19,664,042 km (0.118 R)
• M24: 21,905,766 km (0.07 R)
• M25: 26,889,320 km (0.117 R)
• M26: 28,824,967 km (0.08 R)
• M27: 31,230,051 km (0.094 R)

Asteroid Belt

Center: 6.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.3

Radius: 6.5

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.06 AU - 9.04 AU

Year: 14320 Days

Day: 20.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,162,915 km

• M1: 129,851 km (0.089 R)
• M2: 666,608 km (0.115 R)
• M3: 975,378 km (0.075 R)
• M4: 1,496,727 km (0.083 R)
• M5: 2,316,822 km (0.042 R)
• M6: 2,527,456 km (0.107 R)
• M7: 2,900,104 km (0.095 R)
• M8: 3,238,046 km (0.115 R)
• M9: 3,551,902 km (0.06 R)
• M10: 4,019,844 km (0.054 R)
• M11: 4,325,622 km (0.101 R)
• M12: 4,557,649 km (0.12 R)
• M13: 5,238,917 km (0.091 R)
• M14: 7,156,463 km (0.097 R)
• M15: 9,792,228 km (0.037 R)
• M16: 11,462,638 km (0.056 R)
• M17: 14,503,364 km (0.07 R)
• M18: 15,558,328 km (0.079 R)
• M19: 16,173,624 km (0.066 R)
• M20: 21,108,858 km (0.06 R)
• M21: 21,947,653 km (0.099 R)
• M22: 23,335,622 km (0.074 R)
• M23: 23,602,355 km (0.092 R)
• M24: 24,505,777 km (0.074 R)
• M25: 27,452,705 km (0.087 R)
• M26: 28,552,848 km (0.104 R)
• M27: 29,267,926 km (0.076 R)
• M28: 31,485,116 km (0.075 R)
• M29: 35,777,378 km (0.092 R)
• M30: 38,680,175 km (0.104 R)
• M31: 43,189,204 km (0.028 R)
• M32: 46,056,098 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.6

Radius: 4.4

Gravity: 44.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.49 AU - 11.45 AU

Year: 20116 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,162,915 km

• M1: 55,351 km (0.062 R)
• M2: 315,502 km (0.087 R)
• M3: 600,336 km (0.069 R)
• M4: 751,729 km (0.091 R)
• M5: 1,353,113 km (0.092 R)
• M6: 1,818,811 km (0.12 R)
• M7: 2,078,064 km (0.119 R)
• M8: 2,621,104 km (0.058 R)
• M9: 4,776,959 km (0.091 R)
• M10: 5,231,288 km (0.083 R)
• M11: 6,628,532 km (0.117 R)
• M12: 7,193,114 km (0.057 R)
• M13: 7,388,190 km (0.115 R)
• M14: 12,209,729 km (0.101 R)
• M15: 12,487,533 km (0.103 R)
• M16: 13,567,031 km (0.061 R)
• M17: 14,942,733 km (0.102 R)
• M18: 21,478,215 km (0.065 R)
• M19: 22,707,910 km (0.043 R)
• M20: 25,083,075 km (0.059 R)
• M21: 29,566,523 km (0.075 R)
• M22: 37,832,703 km (0.106 R)
• M23: 45,326,509 km (0.103 R)
• M24: 49,770,912 km (0.07 R)
• M25: 51,374,452 km (0.073 R)
• M26: 53,565,762 km (0.109 R)
• M27: 68,688,760 km (0.027 R)
• M28: 69,346,542 km (0.118 R)
• M29: 70,674,821 km (0.117 R)
• M30: 73,610,679 km (0.104 R)
• M31: 74,530,108 km (0.052 R)
• M32: 82,162,891 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 18,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit