🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 9.2

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.47 AU - 0.75 AU

Year: 335 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,334,910 km

• M1: 114,442 km (0.061 R)
• M2: 483,800 km (0.05 R)
• M3: 863,030 km (0.109 R)
• M4: 1,184,815 km (0.09 R)
• M5: 1,487,900 km (0.046 R)
• M6: 2,034,681 km (0.077 R)
• M7: 2,363,796 km (0.093 R)
• M8: 2,654,614 km (0.053 R)
• M9: 3,029,357 km (0.114 R)
• M10: 3,572,547 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 8.7

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.86 AU - 0.88 AU

Year: 570 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,334,910 km

• M1: 108,159 km (0.091 R)
• M2: 451,486 km (0.057 R)
• M3: 796,758 km (0.117 R)
• M4: 1,068,278 km (0.099 R)
• M5: 1,532,181 km (0.088 R)
• M6: 2,030,043 km (0.058 R)
• M7: 2,441,886 km (0.086 R)
• M8: 2,736,295 km (0.116 R)
• M9: 3,252,258 km (0.105 R)
• M10: 3,925,747 km (0.099 R)
• M11: 4,552,862 km (0.105 R)
• M12: 4,922,219 km (0.077 R)
• M13: 5,599,598 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.8

Radius: 8.6

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.86 AU - 0.94 AU

Year: 600 Days

Day: 14.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,334,910 km

• M1: 106,962 km (0.075 R)
• M2: 382,372 km (0.109 R)
• M3: 666,907 km (0.084 R)
• M4: 969,693 km (0.102 R)
• M5: 1,237,623 km (0.111 R)
• M6: 1,823,897 km (0.07 R)
• M7: 2,684,384 km (0.088 R)
• M8: 2,952,015 km (0.07 R)
• M9: 3,380,613 km (0.097 R)
• M10: 3,850,200 km (0.05 R)
• M11: 4,718,167 km (0.025 R)
• M12: 5,198,227 km (0.113 R)
• M13: 5,901,786 km (0.039 R)
• M14: 6,196,344 km (0.086 R)
• M15: 6,646,185 km (0.093 R)
• M16: 7,095,876 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.4

Radius: 11.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.83 AU - 1.27 AU

Year: 756 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,334,910 km

• M1: 148,401 km (0.118 R)
• M2: 524,939 km (0.097 R)
• M3: 1,162,824 km (0.095 R)
• M4: 1,638,545 km (0.103 R)
• M5: 2,147,029 km (0.063 R)
• M6: 2,531,196 km (0.031 R)
• M7: 2,981,336 km (0.105 R)
• M8: 3,585,113 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 8

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.2 AU - 1.86 AU

Year: 1330 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,334,910 km

• M1: 99,483 km (0.045 R)
• M2: 414,386 km (0.076 R)
• M3: 722,259 km (0.103 R)
• M4: 1,457,083 km (0.098 R)
• M5: 1,781,711 km (0.07 R)
• M6: 2,322,507 km (0.078 R)
• M7: 2,685,731 km (0.069 R)
• M8: 3,955,069 km (0.115 R)
• M9: 4,552,862 km (0.072 R)
• M10: 4,812,414 km (0.062 R)
• M11: 5,719,575 km (0.118 R)
• M12: 6,189,612 km (0.119 R)
• M13: 7,180,249 km (0.068 R)
• M14: 9,312,467 km (0.076 R)
• M15: 10,232,046 km (0.064 R)
• M16: 10,609,331 km (0.037 R)
• M17: 11,392,027 km (0.092 R)
• M18: 12,952,333 km (0.066 R)
• M19: 13,639,287 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 12.1

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.46 AU - 1.68 AU

Year: 1383 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,334,910 km

• M1: 150,495 km (0.1 R)
• M2: 532,718 km (0.068 R)
• M3: 939,026 km (0.066 R)
• M4: 1,325,437 km (0.111 R)
• M5: 2,264,762 km (0.114 R)
• M6: 3,431,326 km (0.085 R)
• M7: 4,246,934 km (0.088 R)
• M8: 4,745,544 km (0.071 R)
• M9: 5,225,603 km (0.097 R)
• M10: 5,923,028 km (0.11 R)
• M11: 6,818,073 km (0.107 R)
• M12: 7,676,465 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.1

Radius: 3.8

Gravity: 67.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.07 AU - 9.05 AU

Year: 14611 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,334,910 km

• M1: 47,871 km (0.082 R)
• M2: 189,241 km (0.053 R)
• M3: 364,271 km (0.078 R)
• M4: 530,025 km (0.092 R)
• M5: 1,457,083 km (0.037 R)
• M6: 2,171,862 km (0.083 R)
• M7: 3,199,749 km (0.06 R)
• M8: 4,787,730 km (0.089 R)
• M9: 6,660,396 km (0.041 R)
• M10: 7,286,912 km (0.083 R)
• M11: 7,757,846 km (0.036 R)
• M12: 8,501,946 km (0.068 R)
• M13: 9,401,478 km (0.063 R)
• M14: 10,016,176 km (0.085 R)
• M15: 11,892,283 km (0.075 R)
• M16: 13,426,708 km (0.093 R)
• M17: 14,495,734 km (0.081 R)
• M18: 16,085,661 km (0.115 R)
• M19: 18,381,390 km (0.032 R)
• M20: 29,161,263 km (0.115 R)
• M21: 29,395,084 km (0.076 R)
• M22: 32,174,912 km (0.101 R)
• M23: 36,733,308 km (0.113 R)
• M24: 49,887,449 km (0.091 R)
• M25: 52,260,371 km (0.109 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: 446 - 18,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit