🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 14.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.06 AU - 1.12 AU

Year: 747 Days

Day: 10.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,536,913 km

• M1: 180,265 km (0.089 R)
• M2: 631,303 km (0.081 R)
• M3: 1,205,908 km (0.109 R)
• M4: 1,800,261 km (0.084 R)
• M5: 2,577,422 km (0.111 R)
• M6: 3,266,769 km (0.095 R)
• M7: 3,847,657 km (0.051 R)
• M8: 4,348,511 km (0.051 R)
• M9: 5,036,212 km (0.1 R)
• M10: 5,676,940 km (0.075 R)
• M11: 6,182,431 km (0.067 R)
• M12: 6,740,132 km (0.113 R)
• M13: 7,261,331 km (0.109 R)
• M14: 8,308,516 km (0.113 R)
• M15: 8,775,860 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 14.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.43 AU - 3.63 AU

Year: 4351 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 127.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,536,913 km

• M1: 177,872 km (0.102 R)
• M2: 780,003 km (0.065 R)
• M3: 1,303,895 km (0.066 R)
• M4: 2,170,516 km (0.093 R)
• M5: 2,711,312 km (0.059 R)
• M6: 3,166,987 km (0.083 R)
• M7: 3,674,423 km (0.045 R)
• M8: 4,342,228 km (0.039 R)
• M9: 5,018,709 km (0.058 R)
• M10: 5,764,904 km (0.094 R)
• M11: 7,051,744 km (0.113 R)
• M12: 9,294,516 km (0.096 R)
• M13: 9,960,376 km (0.116 R)
• M14: 13,175,533 km (0.099 R)
• M15: 14,450,855 km (0.081 R)
• M16: 15,703,588 km (0.116 R)
• M17: 19,897,265 km (0.09 R)
• M18: 20,569,558 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 8.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.29 AU - 3.89 AU

Year: 4462 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,536,913 km

• M1: 112,946 km (0.094 R)
• M2: 858,841 km (0.053 R)
• M3: 1,133,353 km (0.096 R)
• M4: 1,680,882 km (0.082 R)
• M5: 2,150,918 km (0.033 R)
• M6: 2,924,190 km (0.111 R)
• M7: 3,823,422 km (0.087 R)
• M8: 4,692,137 km (0.101 R)
• M9: 5,105,327 km (0.111 R)
• M10: 5,562,797 km (0.056 R)
• M11: 6,909,776 km (0.114 R)
• M12: 7,620,964 km (0.09 R)
• M13: 7,981,495 km (0.106 R)
• M14: 9,246,495 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.1

Radius: 4.8

Gravity: 36.77 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.31 AU - 8.09 AU

Year: 11377 Days

Day: 24.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,536,913 km

• M1: 59,690 km (0.116 R)
• M2: 241,301 km (0.1 R)
• M3: 431,889 km (0.049 R)
• M4: 824,284 km (0.066 R)
• M5: 1,302,399 km (0.036 R)
• M6: 1,454,241 km (0.116 R)
• M7: 1,744,461 km (0.101 R)
• M8: 3,206,481 km (0.057 R)
• M9: 3,459,451 km (0.108 R)
• M10: 4,701,861 km (0.07 R)
• M11: 5,764,156 km (0.026 R)
• M12: 6,935,656 km (0.11 R)
• M13: 7,230,364 km (0.039 R)
• M14: 9,738,672 km (0.1 R)
• M15: 11,446,481 km (0.111 R)
• M16: 16,235,707 km (0.117 R)
• M17: 21,403,865 km (0.062 R)
• M18: 22,481,418 km (0.099 R)
• M19: 23,783,668 km (0.057 R)
• M20: 24,646,848 km (0.081 R)
• M21: 27,779,876 km (0.057 R)
• M22: 28,415,517 km (0.101 R)
• M23: 37,969,436 km (0.109 R)
• M24: 38,751,832 km (0.052 R)
• M25: 39,412,157 km (0.086 R)
• M26: 40,619,412 km (0.097 R)
• M27: 45,549,260 km (0.087 R)
• M28: 46,580,887 km (0.102 R)
• M29: 47,477,278 km (0.085 R)
• M30: 51,495,477 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483

Radius: 7.2

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.11 AU - 11.49 AU

Year: 18605 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,536,913 km

• M1: 89,759 km (0.028 R)
• M2: 582,235 km (0.113 R)
• M3: 883,974 km (0.031 R)
• M4: 1,248,544 km (0.111 R)
• M5: 1,519,466 km (0.113 R)
• M6: 1,744,012 km (0.036 R)
• M7: 2,735,995 km (0.115 R)
• M8: 3,249,266 km (0.085 R)
• M9: 4,339,086 km (0.057 R)
• M10: 6,281,166 km (0.112 R)
• M11: 8,340,380 km (0.105 R)
• M12: 9,047,230 km (0.079 R)
• M13: 10,988,412 km (0.081 R)
• M14: 11,899,613 km (0.104 R)
• M15: 12,664,058 km (0.081 R)
• M16: 15,823,715 km (0.057 R)
• M17: 18,283,104 km (0.06 R)
• M18: 19,299,920 km (0.091 R)
• M19: 24,345,408 km (0.089 R)
• M20: 28,268,911 km (0.093 R)
• M21: 28,829,454 km (0.057 R)
• M22: 34,721,516 km (0.111 R)
• M23: 36,939,753 km (0.113 R)
• M24: 40,370,781 km (0.105 R)
• M25: 43,709,805 km (0.061 R)
• M26: 52,095,663 km (0.096 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: 395 - 11,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit