🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 10

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.49 AU - 0.65 AU

Year: 302 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,292,410 km

• M1: 124,316 km (0.108 R)
• M2: 523,144 km (0.098 R)
• M3: 914,342 km (0.117 R)
• M4: 1,313,469 km (0.106 R)
• M5: 1,775,128 km (0.109 R)
• M6: 2,217,340 km (0.107 R)
• M7: 2,549,447 km (0.112 R)
• M8: 3,224,283 km (0.093 R)
• M9: 3,555,792 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 12.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 429 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,292,410 km

• M1: 152,590 km (0.074 R)
• M2: 775,665 km (0.053 R)
• M3: 1,197,681 km (0.108 R)
• M4: 1,592,918 km (0.095 R)
• M5: 2,199,238 km (0.109 R)
• M6: 2,999,737 km (0.116 R)
• M7: 4,873,899 km (0.099 R)
• M8: 5,576,261 km (0.094 R)
• M9: 6,270,544 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 14.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.72 AU - 0.92 AU

Year: 522 Days

Day: 12.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,292,410 km

• M1: 184,005 km (0.091 R)
• M2: 1,093,710 km (0.078 R)
• M3: 1,675,197 km (0.093 R)
• M4: 2,236,189 km (0.093 R)
• M5: 2,716,099 km (0.065 R)
• M6: 3,311,498 km (0.101 R)
• M7: 3,980,500 km (0.053 R)
• M8: 4,709,042 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 10.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.9 AU - 1.2 AU

Year: 756 Days

Day: 7.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,292,410 km

• M1: 125,662 km (0.114 R)
• M2: 469,139 km (0.08 R)
• M3: 926,759 km (0.09 R)
• M4: 1,426,715 km (0.077 R)
• M5: 2,329,688 km (0.06 R)
• M6: 3,123,155 km (0.096 R)
• M7: 3,462,144 km (0.084 R)
• M8: 5,271,679 km (0.064 R)
• M9: 5,916,446 km (0.069 R)
• M10: 6,381,247 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 11.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.93 AU - 1.43 AU

Year: 901 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,292,410 km

• M1: 147,952 km (0.117 R)
• M2: 558,898 km (0.096 R)
• M3: 1,537,567 km (0.084 R)
• M4: 2,122,794 km (0.117 R)
• M5: 2,530,747 km (0.089 R)
• M6: 3,697,311 km (0.057 R)
• M7: 4,988,491 km (0.119 R)
• M8: 5,363,532 km (0.101 R)
• M9: 5,777,619 km (0.048 R)
• M10: 8,438,068 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 8.3

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.68 AU - 2.48 AU

Year: 2109 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,292,410 km

• M1: 103,223 km (0.088 R)
• M2: 382,971 km (0.083 R)
• M3: 1,018,313 km (0.063 R)
• M4: 1,410,858 km (0.119 R)
• M5: 2,188,018 km (0.079 R)
• M6: 2,502,772 km (0.119 R)
• M7: 3,032,199 km (0.112 R)
• M8: 3,581,074 km (0.094 R)
• M9: 4,833,058 km (0.089 R)
• M10: 5,187,007 km (0.101 R)
• M11: 5,582,095 km (0.052 R)
• M12: 6,564,654 km (0.118 R)
• M13: 6,888,982 km (0.093 R)
• M14: 7,511,608 km (0.118 R)
• M15: 9,366,472 km (0.109 R)
• M16: 9,674,046 km (0.092 R)
• M17: 9,953,195 km (0.044 R)
• M18: 10,237,581 km (0.107 R)
• M19: 11,161,796 km (0.056 R)
• M20: 11,821,224 km (0.115 R)
• M21: 12,261,640 km (0.031 R)
• M22: 12,712,827 km (0.115 R)
• M23: 13,346,075 km (0.107 R)
• M24: 14,357,506 km (0.12 R)
• M25: 14,721,029 km (0.078 R)
• M26: 15,231,008 km (0.096 R)
• M27: 16,042,128 km (0.109 R)

Asteroid Belt

Center: 3.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.1

Radius: 14.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.81 AU - 5.63 AU

Year: 7208 Days

Day: 14.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,292,410 km

• M1: 175,329 km (0.048 R)
• M2: 938,876 km (0.073 R)
• M3: 1,683,574 km (0.097 R)
• M4: 2,158,398 km (0.112 R)
• M5: 2,629,033 km (0.072 R)
• M6: 3,105,353 km (0.076 R)
• M7: 4,004,286 km (0.099 R)
• M8: 6,080,555 km (0.09 R)
• M9: 8,124,810 km (0.06 R)
• M10: 8,840,636 km (0.106 R)
• M11: 10,447,167 km (0.043 R)
• M12: 11,091,186 km (0.096 R)
• M13: 12,513,263 km (0.11 R)
• M14: 13,013,369 km (0.068 R)
• M15: 15,526,464 km (0.104 R)
• M16: 18,490,147 km (0.056 R)
• M17: 21,180,964 km (0.078 R)
• M18: 22,294,571 km (0.096 R)
• M19: 23,196,795 km (0.029 R)
• M20: 26,501,562 km (0.109 R)
• M21: 27,700,888 km (0.065 R)
• M22: 30,606,228 km (0.111 R)
• M23: 33,602,375 km (0.117 R)
• M24: 36,676,012 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 15,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit