🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 13.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.75 AU - 1.05 AU

Year: 551 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,965,966 km

• M1: 166,652 km (0.09 R)
• M2: 589,416 km (0.077 R)
• M3: 1,077,553 km (0.055 R)
• M4: 1,852,470 km (0.051 R)
• M5: 2,420,344 km (0.062 R)
• M6: 3,510,464 km (0.105 R)
• M7: 4,095,242 km (0.119 R)
• M8: 5,692,648 km (0.115 R)
• M9: 6,250,349 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.6

Radius: 9.4

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.17 AU - 3.53 AU

Year: 3959 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,965,966 km

• M1: 117,434 km (0.051 R)
• M2: 443,857 km (0.116 R)
• M3: 806,931 km (0.093 R)
• M4: 1,319,304 km (0.054 R)
• M5: 1,837,062 km (0.117 R)
• M6: 2,224,072 km (0.071 R)
• M7: 3,164,294 km (0.117 R)
• M8: 3,537,391 km (0.07 R)
• M9: 4,588,615 km (0.099 R)
• M10: 5,470,196 km (0.075 R)
• M11: 5,807,090 km (0.063 R)
• M12: 6,307,944 km (0.091 R)
• M13: 6,741,927 km (0.119 R)
• M14: 7,096,773 km (0.11 R)
• M15: 8,346,215 km (0.094 R)
• M16: 8,984,699 km (0.102 R)
• M17: 10,444,175 km (0.086 R)
• M18: 11,096,721 km (0.106 R)
• M19: 11,638,116 km (0.118 R)
• M20: 13,019,203 km (0.06 R)
• M21: 13,774,972 km (0.117 R)
• M22: 19,321,014 km (0.103 R)
• M23: 20,171,029 km (0.089 R)
• M24: 20,638,971 km (0.117 R)
• M25: 21,735,673 km (0.099 R)
• M26: 22,511,936 km (0.077 R)
• M27: 24,045,015 km (0.088 R)
• M28: 24,722,843 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.9

Radius: 9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.35 AU - 4.67 AU

Year: 5185 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,965,966 km

• M1: 111,899 km (0.101 R)
• M2: 415,134 km (0.096 R)
• M3: 1,059,901 km (0.114 R)
• M4: 1,526,945 km (0.103 R)
• M5: 1,854,116 km (0.1 R)
• M6: 3,205,284 km (0.103 R)
• M7: 4,233,919 km (0.114 R)
• M8: 4,613,299 km (0.087 R)
• M9: 4,963,957 km (0.063 R)
• M10: 7,254,450 km (0.056 R)
• M11: 8,081,875 km (0.034 R)
• M12: 8,704,950 km (0.059 R)
• M13: 10,088,581 km (0.077 R)
• M14: 14,257,874 km (0.028 R)
• M15: 16,983,547 km (0.067 R)
• M16: 19,907,138 km (0.041 R)
• M17: 23,588,443 km (0.099 R)
• M18: 26,491,240 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 11.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.1 AU - 5.52 AU

Year: 6811 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,965,966 km

• M1: 138,079 km (0.03 R)
• M2: 591,660 km (0.027 R)
• M3: 983,606 km (0.093 R)
• M4: 4,582,033 km (0.092 R)
• M5: 5,125,672 km (0.09 R)
• M6: 6,234,042 km (0.083 R)
• M7: 6,590,385 km (0.1 R)
• M8: 7,495,601 km (0.036 R)
• M9: 8,186,893 km (0.104 R)
• M10: 9,769,639 km (0.096 R)
• M11: 10,594,671 km (0.075 R)
• M12: 12,340,927 km (0.066 R)
• M13: 13,260,206 km (0.087 R)
• M14: 15,934,567 km (0.112 R)
• M15: 16,918,322 km (0.087 R)
• M16: 17,832,515 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.1

Radius: 12.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.06 AU - 5.56 AU

Year: 7901 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,965,966 km

• M1: 154,983 km (0.109 R)
• M2: 668,553 km (0.064 R)
• M3: 2,047,696 km (0.095 R)
• M4: 2,487,065 km (0.12 R)
• M5: 2,969,817 km (0.065 R)
• M6: 3,470,820 km (0.11 R)
• M7: 3,907,048 km (0.101 R)
• M8: 5,089,170 km (0.065 R)
• M9: 6,395,309 km (0.112 R)
• M10: 7,054,886 km (0.072 R)
• M11: 7,836,236 km (0.068 R)
• M12: 8,308,067 km (0.067 R)
• M13: 9,051,569 km (0.045 R)
• M14: 9,749,144 km (0.061 R)
• M15: 11,955,862 km (0.064 R)
• M16: 12,742,447 km (0.107 R)
• M17: 18,205,762 km (0.083 R)
• M18: 20,474,563 km (0.062 R)
• M19: 26,084,034 km (0.086 R)
• M20: 27,857,517 km (0.101 R)
• M21: 28,681,203 km (0.052 R)
• M22: 33,147,447 km (0.087 R)
• M23: 35,120,344 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.2

Radius: 3.4

Gravity: 84.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.93 AU - 7.58 AU

Year: 10089 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,965,966 km

• M1: 42,785 km (0.034 R)
• M2: 158,574 km (0.09 R)
• M3: 268,379 km (0.09 R)
• M4: 396,434 km (0.11 R)
• M5: 565,630 km (0.089 R)
• M6: 781,649 km (0.119 R)
• M7: 1,027,588 km (0.093 R)
• M8: 1,671,457 km (0.034 R)
• M9: 1,918,742 km (0.098 R)
• M10: 2,324,901 km (0.113 R)
• M11: 3,181,498 km (0.106 R)
• M12: 3,482,638 km (0.063 R)
• M13: 4,624,519 km (0.116 R)
• M14: 6,492,697 km (0.1 R)
• M15: 7,657,765 km (0.077 R)
• M16: 9,401,777 km (0.115 R)
• M17: 9,759,167 km (0.035 R)
• M18: 12,095,586 km (0.11 R)
• M19: 12,825,923 km (0.104 R)
• M20: 12,950,388 km (0.068 R)
• M21: 13,392,600 km (0.109 R)
• M22: 21,723,855 km (0.088 R)
• M23: 22,618,450 km (0.094 R)
• M24: 26,042,297 km (0.066 R)
• M25: 26,644,578 km (0.086 R)
• M26: 29,470,182 km (0.084 R)
• M27: 31,347,935 km (0.078 R)
• M28: 32,143,795 km (0.069 R)
• M29: 32,258,686 km (0.043 R)
• M30: 32,836,733 km (0.058 R)
• M31: 38,871,361 km (0.083 R)
• M32: 43,326,835 km (0.083 R)
• M33: 47,811,031 km (0.044 R)
• M34: 47,960,629 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.4

Radius: 5

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.81 AU - 9.75 AU

Year: 18253 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,965,966 km

• M1: 65,374 km (0.053 R)
• M2: 545,135 km (0.114 R)
• M3: 1,684,472 km (0.027 R)
• M4: 2,159,894 km (0.095 R)
• M5: 3,870,845 km (0.117 R)
• M6: 5,450,299 km (0.1 R)
• M7: 5,660,634 km (0.109 R)
• M8: 5,986,308 km (0.066 R)
• M9: 10,384,336 km (0.118 R)
• M10: 12,916,280 km (0.039 R)
• M11: 13,736,525 km (0.031 R)
• M12: 18,599,802 km (0.045 R)
• M13: 20,473,965 km (0.052 R)
• M14: 20,812,205 km (0.077 R)
• M15: 24,308,756 km (0.11 R)
• M16: 24,879,173 km (0.092 R)
• M17: 29,125,060 km (0.07 R)
• M18: 29,768,480 km (0.07 R)
• M19: 32,322,864 km (0.117 R)
• M20: 33,477,759 km (0.105 R)
• M21: 35,261,116 km (0.105 R)
• M22: 37,483,542 km (0.095 R)
• M23: 41,662,109 km (0.051 R)
• M24: 46,285,432 km (0.037 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 17,026 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit