🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 9.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.76 AU

Year: 414 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,331,888 km

• M1: 118,182 km (0.099 R)
• M2: 460,911 km (0.109 R)
• M3: 905,366 km (0.068 R)
• M4: 1,274,873 km (0.119 R)
• M5: 1,677,740 km (0.074 R)
• M6: 2,375,165 km (0.108 R)
• M7: 2,691,415 km (0.11 R)
• M8: 3,138,264 km (0.065 R)
• M9: 3,483,686 km (0.113 R)
• M10: 4,921,770 km (0.112 R)
• M11: 5,439,977 km (0.063 R)
• M12: 6,030,141 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 9.3

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.03 AU - 1.27 AU

Year: 836 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,331,888 km

• M1: 115,639 km (0.081 R)
• M2: 421,417 km (0.102 R)
• M3: 722,857 km (0.095 R)
• M4: 1,163,572 km (0.095 R)
• M5: 1,505,104 km (0.117 R)
• M6: 2,065,797 km (0.115 R)
• M7: 2,516,535 km (0.092 R)
• M8: 2,993,902 km (0.114 R)
• M9: 3,502,236 km (0.113 R)
• M10: 5,009,434 km (0.118 R)
• M11: 5,398,090 km (0.042 R)
• M12: 6,235,838 km (0.095 R)
• M13: 7,089,293 km (0.114 R)
• M14: 8,422,360 km (0.108 R)
• M15: 8,919,474 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 8.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.82 AU - 2.26 AU

Year: 1976 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,331,888 km

• M1: 117,434 km (0.036 R)
• M2: 436,227 km (0.115 R)
• M3: 711,787 km (0.112 R)
• M4: 1,274,873 km (0.088 R)
• M5: 1,564,644 km (0.093 R)
• M6: 1,831,976 km (0.038 R)
• M7: 2,302,311 km (0.118 R)
• M8: 3,325,261 km (0.068 R)
• M9: 3,819,383 km (0.104 R)
• M10: 5,221,414 km (0.052 R)
• M11: 6,017,126 km (0.042 R)
• M12: 8,211,726 km (0.046 R)
• M13: 8,889,853 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 11.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.99 AU - 2.41 AU

Year: 2213 Days

Day: 13.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,331,888 km

• M1: 146,756 km (0.037 R)
• M2: 812,316 km (0.11 R)
• M3: 1,483,861 km (0.092 R)
• M4: 2,559,620 km (0.117 R)
• M5: 3,773,756 km (0.092 R)
• M6: 5,161,426 km (0.112 R)
• M7: 5,832,522 km (0.108 R)
• M8: 6,356,414 km (0.087 R)
• M9: 6,959,443 km (0.104 R)
• M10: 7,753,508 km (0.106 R)
• M11: 8,634,639 km (0.049 R)
• M12: 10,819,965 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 10.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.82 AU - 2.66 AU

Year: 2274 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,331,888 km

• M1: 125,662 km (0.03 R)
• M2: 500,854 km (0.091 R)
• M3: 1,218,624 km (0.081 R)
• M4: 1,745,059 km (0.069 R)
• M5: 2,153,611 km (0.071 R)
• M6: 2,514,890 km (0.065 R)
• M7: 2,928,977 km (0.113 R)
• M8: 3,415,020 km (0.094 R)
• M9: 4,649,053 km (0.071 R)
• M10: 5,591,370 km (0.035 R)
• M11: 6,677,600 km (0.093 R)
• M12: 7,069,247 km (0.081 R)
• M13: 8,164,902 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 8

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.05 AU - 3.07 AU

Year: 2778 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,331,888 km

• M1: 103,372 km (0.027 R)
• M2: 364,271 km (0.048 R)
• M3: 700,567 km (0.084 R)
• M4: 969,843 km (0.04 R)
• M5: 1,358,498 km (0.076 R)
• M6: 1,775,128 km (0.029 R)
• M7: 2,421,242 km (0.09 R)
• M8: 2,933,165 km (0.114 R)
• M9: 4,348,511 km (0.111 R)
• M10: 5,055,361 km (0.114 R)
• M11: 5,514,926 km (0.058 R)
• M12: 6,029,841 km (0.11 R)
• M13: 6,606,242 km (0.071 R)
• M14: 7,441,746 km (0.098 R)
• M15: 8,003,037 km (0.109 R)
• M16: 9,135,493 km (0.103 R)
• M17: 11,029,402 km (0.098 R)
• M18: 11,325,905 km (0.106 R)
• M19: 11,935,068 km (0.089 R)
• M20: 13,029,675 km (0.116 R)
• M21: 14,189,807 km (0.118 R)
• M22: 15,735,003 km (0.109 R)
• M23: 17,332,260 km (0.047 R)
• M24: 17,907,314 km (0.116 R)
• M25: 19,095,420 km (0.119 R)
• M26: 19,461,935 km (0.066 R)
• M27: 19,895,470 km (0.065 R)
• M28: 20,146,046 km (0.07 R)
• M29: 22,160,082 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.2

Radius: 3.6

Gravity: 30.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.6 AU - 9.4 AU

Year: 16808 Days

Day: 21.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,331,888 km

• M1: 48,470 km (0.092 R)
• M2: 323,131 km (0.081 R)
• M3: 607,816 km (0.11 R)
• M4: 857,645 km (0.109 R)
• M5: 1,135,149 km (0.111 R)
• M6: 1,528,890 km (0.07 R)
• M7: 4,870,308 km (0.089 R)
• M8: 5,522,854 km (0.078 R)
• M9: 6,547,600 km (0.108 R)
• M10: 7,782,530 km (0.086 R)
• M11: 8,242,095 km (0.095 R)
• M12: 8,670,992 km (0.067 R)
• M13: 8,964,952 km (0.109 R)
• M14: 10,535,729 km (0.068 R)
• M15: 10,927,077 km (0.096 R)
• M16: 12,966,395 km (0.11 R)
• M17: 13,545,788 km (0.108 R)
• M18: 13,875,203 km (0.063 R)
• M19: 17,467,047 km (0.119 R)
• M20: 20,664,702 km (0.118 R)
• M21: 20,838,535 km (0.09 R)
• M22: 21,188,893 km (0.071 R)
• M23: 23,187,072 km (0.11 R)
• M24: 28,832,147 km (0.117 R)
• M25: 29,158,121 km (0.074 R)
• M26: 34,711,792 km (0.05 R)
• M27: 35,825,997 km (0.103 R)
• M28: 37,995,316 km (0.115 R)
• M29: 42,874,899 km (0.043 R)
• M30: 49,695,964 km (0.069 R)
• M31: 53,199,396 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.2

Radius: 5.5

Gravity: 21.13 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.56 AU - 9.24 AU

Year: 18008 Days

Day: 17 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,331,888 km

• M1: 69,114 km (0.086 R)
• M2: 270,922 km (0.058 R)
• M3: 816,056 km (0.112 R)
• M4: 1,124,826 km (0.118 R)
• M5: 1,299,856 km (0.089 R)
• M6: 1,810,583 km (0.118 R)
• M7: 2,192,357 km (0.11 R)
• M8: 2,962,337 km (0.061 R)
• M9: 3,634,031 km (0.043 R)
• M10: 3,869,050 km (0.106 R)
• M11: 4,114,091 km (0.075 R)
• M12: 6,171,959 km (0.078 R)
• M13: 6,592,778 km (0.091 R)
• M14: 7,259,536 km (0.074 R)
• M15: 7,585,659 km (0.061 R)
• M16: 9,639,788 km (0.066 R)
• M17: 11,096,572 km (0.117 R)
• M18: 11,280,727 km (0.053 R)
• M19: 12,037,692 km (0.058 R)
• M20: 12,627,407 km (0.105 R)
• M21: 14,438,887 km (0.092 R)
• M22: 15,867,397 km (0.12 R)
• M23: 21,465,050 km (0.083 R)
• M24: 25,386,011 km (0.071 R)
• M25: 32,685,340 km (0.091 R)
• M26: 37,288,316 km (0.109 R)
• M27: 37,701,955 km (0.055 R)
• M28: 42,305,231 km (0.111 R)
• M29: 47,592,019 km (0.046 R)
• M30: 49,558,334 km (0.105 R)
• M31: 51,068,076 km (0.101 R)
• M32: 60,966,069 km (0.066 R)
• M33: 61,539,926 km (0.113 R)
• M34: 61,732,160 km (0.083 R)
• M35: 62,117,524 km (0.106 R)
• M36: 62,310,804 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 11,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit