🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 11.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.59 AU - 0.79 AU

Year: 376 Days

Day: 10.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,647,266 km

• M1: 145,559 km (0.117 R)
• M2: 772,374 km (0.102 R)
• M3: 1,161,627 km (0.079 R)
• M4: 2,407,030 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 14.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.84 AU

Year: 418 Days

Day: 15 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,647,266 km

• M1: 181,612 km (0.099 R)
• M2: 962,363 km (0.118 R)
• M3: 1,460,225 km (0.097 R)
• M4: 1,974,393 km (0.108 R)
• M5: 2,743,326 km (0.118 R)
• M6: 3,310,302 km (0.08 R)
• M7: 3,796,196 km (0.112 R)
• M8: 4,774,715 km (0.086 R)
• M9: 5,315,811 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 10.3

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.7 AU - 1.04 AU

Year: 532 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,647,266 km

• M1: 128,056 km (0.097 R)
• M2: 546,331 km (0.102 R)
• M3: 875,447 km (0.05 R)
• M4: 1,399,189 km (0.118 R)
• M5: 1,855,313 km (0.076 R)
• M6: 2,308,146 km (0.051 R)
• M7: 3,171,026 km (0.109 R)
• M8: 3,633,283 km (0.095 R)
• M9: 5,279,608 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.9

Radius: 12

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.14 AU - 2.88 AU

Year: 2609 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,647,266 km

• M1: 151,243 km (0.078 R)
• M2: 541,694 km (0.03 R)
• M3: 935,884 km (0.11 R)
• M4: 2,026,154 km (0.077 R)
• M5: 2,553,336 km (0.069 R)
• M6: 3,238,046 km (0.12 R)
• M7: 4,081,329 km (0.113 R)
• M8: 4,512,470 km (0.038 R)
• M9: 5,443,119 km (0.099 R)
• M10: 5,992,891 km (0.117 R)
• M11: 6,858,614 km (0.094 R)
• M12: 7,233,356 km (0.113 R)
• M13: 7,961,599 km (0.072 R)
• M14: 8,375,985 km (0.043 R)
• M15: 9,352,709 km (0.1 R)
• M16: 11,613,133 km (0.037 R)
• M17: 15,407,683 km (0.054 R)
• M18: 16,767,977 km (0.119 R)
• M19: 17,397,634 km (0.11 R)
• M20: 17,880,237 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308

Radius: 12.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.18 AU - 2.84 AU

Year: 2609 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,647,266 km

• M1: 159,172 km (0.063 R)
• M2: 1,266,047 km (0.075 R)
• M3: 2,197,144 km (0.07 R)
• M4: 4,011,317 km (0.109 R)
• M5: 4,620,480 km (0.095 R)
• M6: 5,181,771 km (0.091 R)
• M7: 6,517,530 km (0.081 R)
• M8: 7,810,804 km (0.119 R)
• M9: 8,488,183 km (0.104 R)
• M10: 12,128,797 km (0.064 R)
• M11: 13,738,769 km (0.112 R)
• M12: 14,551,684 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 8.3

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.79 AU - 4.17 AU

Year: 4259 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,647,266 km

• M1: 103,223 km (0.064 R)
• M2: 425,905 km (0.119 R)
• M3: 816,655 km (0.089 R)
• M4: 1,126,921 km (0.05 R)
• M5: 1,427,313 km (0.118 R)
• M6: 1,730,997 km (0.066 R)
• M7: 2,007,603 km (0.105 R)
• M8: 2,502,772 km (0.096 R)
• M9: 2,841,163 km (0.106 R)
• M10: 3,822,674 km (0.052 R)
• M11: 4,249,776 km (0.072 R)
• M12: 4,733,277 km (0.106 R)
• M13: 5,307,134 km (0.107 R)
• M14: 5,695,789 km (0.092 R)
• M15: 7,174,863 km (0.043 R)
• M16: 8,478,011 km (0.1 R)
• M17: 9,244,700 km (0.08 R)
• M18: 12,009,717 km (0.115 R)
• M19: 14,361,396 km (0.102 R)
• M20: 17,788,683 km (0.114 R)
• M21: 19,300,070 km (0.088 R)
• M22: 22,290,382 km (0.112 R)
• M23: 23,672,217 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.9

Radius: 5.6

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.95 AU - 7.03 AU

Year: 10846 Days

Day: 15.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,647,266 km

• M1: 82,728 km (0.114 R)
• M2: 358,287 km (0.116 R)
• M3: 638,783 km (0.099 R)
• M4: 966,701 km (0.108 R)
• M5: 1,275,771 km (0.06 R)
• M6: 1,535,323 km (0.111 R)
• M7: 1,973,944 km (0.11 R)
• M8: 2,590,437 km (0.069 R)
• M9: 3,142,453 km (0.086 R)
• M10: 4,222,849 km (0.115 R)
• M11: 4,652,195 km (0.119 R)
• M12: 5,974,490 km (0.049 R)
• M13: 7,366,798 km (0.114 R)
• M14: 7,819,331 km (0.098 R)
• M15: 8,203,199 km (0.1 R)
• M16: 8,962,408 km (0.064 R)
• M17: 11,358,069 km (0.086 R)
• M18: 12,299,787 km (0.079 R)
• M19: 13,962,717 km (0.084 R)
• M20: 15,107,440 km (0.09 R)
• M21: 16,799,392 km (0.043 R)
• M22: 22,455,987 km (0.07 R)
• M23: 29,670,643 km (0.045 R)
• M24: 30,707,955 km (0.057 R)
• M25: 31,984,324 km (0.113 R)
• M26: 34,415,589 km (0.057 R)
• M27: 40,267,857 km (0.053 R)
• M28: 40,646,340 km (0.089 R)
• M29: 44,427,725 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit