🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363

Radius: 11.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.56 AU - 0.92 AU

Year: 439 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,985,322 km

• M1: 144,212 km (0.054 R)
• M2: 682,166 km (0.057 R)
• M3: 1,111,512 km (0.069 R)
• M4: 1,491,341 km (0.071 R)
• M5: 1,885,980 km (0.087 R)
• M6: 2,690,219 km (0.079 R)
• M7: 3,124,651 km (0.069 R)
• M8: 4,048,567 km (0.076 R)
• M9: 4,447,246 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 8.1

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.66 AU - 2 AU

Year: 1709 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,985,322 km

• M1: 100,979 km (0.086 R)
• M2: 394,340 km (0.052 R)
• M3: 822,788 km (0.092 R)
• M4: 1,081,144 km (0.082 R)
• M5: 1,578,557 km (0.028 R)
• M6: 1,870,123 km (0.085 R)
• M7: 2,576,225 km (0.069 R)
• M8: 3,496,401 km (0.027 R)
• M9: 3,927,393 km (0.059 R)
• M10: 4,319,190 km (0.111 R)
• M11: 5,078,100 km (0.025 R)
• M12: 5,349,919 km (0.096 R)
• M13: 5,720,024 km (0.08 R)
• M14: 6,708,118 km (0.036 R)
• M15: 6,984,874 km (0.07 R)
• M16: 8,513,615 km (0.04 R)
• M17: 9,201,915 km (0.057 R)
• M18: 9,607,026 km (0.091 R)
• M19: 10,024,105 km (0.057 R)
• M20: 11,206,825 km (0.086 R)
• M21: 12,480,202 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 13.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.46 AU - 2.7 AU

Year: 2860 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,985,322 km

• M1: 171,589 km (0.061 R)
• M2: 681,418 km (0.076 R)
• M3: 1,153,998 km (0.083 R)
• M4: 1,589,477 km (0.08 R)
• M5: 2,078,662 km (0.118 R)
• M6: 3,504,181 km (0.101 R)
• M7: 4,211,030 km (0.031 R)
• M8: 4,650,549 km (0.109 R)
• M9: 5,299,804 km (0.072 R)
• M10: 5,984,364 km (0.111 R)
• M11: 6,807,451 km (0.116 R)
• M12: 8,121,519 km (0.12 R)
• M13: 9,564,689 km (0.107 R)
• M14: 13,545,788 km (0.075 R)
• M15: 15,948,779 km (0.051 R)
• M16: 16,432,129 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.4

Radius: 10.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.06 AU - 5.9 AU

Year: 8855 Days

Day: 6.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,985,322 km

• M1: 134,339 km (0.071 R)
• M2: 807,829 km (0.113 R)
• M3: 1,227,750 km (0.082 R)
• M4: 1,657,993 km (0.087 R)
• M5: 2,018,225 km (0.111 R)
• M6: 2,368,733 km (0.087 R)
• M7: 2,882,601 km (0.059 R)
• M8: 4,486,291 km (0.098 R)
• M9: 4,934,486 km (0.074 R)
• M10: 5,276,616 km (0.108 R)
• M11: 5,747,999 km (0.106 R)
• M12: 7,199,398 km (0.081 R)
• M13: 9,793,873 km (0.035 R)
• M14: 10,167,419 km (0.052 R)
• M15: 10,507,455 km (0.073 R)
• M16: 13,559,701 km (0.068 R)
• M17: 16,861,326 km (0.109 R)
• M18: 22,262,407 km (0.111 R)
• M19: 24,926,895 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.3

Radius: 4.1

Gravity: 35.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.52 AU - 5.82 AU

Year: 9319 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,985,322 km

• M1: 51,013 km (0.072 R)
• M2: 422,315 km (0.082 R)
• M3: 670,797 km (0.099 R)
• M4: 819,647 km (0.097 R)
• M5: 1,052,870 km (0.089 R)
• M6: 1,538,614 km (0.089 R)
• M7: 2,074,623 km (0.08 R)
• M8: 2,413,313 km (0.1 R)
• M9: 3,577,184 km (0.03 R)
• M10: 5,009,883 km (0.081 R)
• M11: 6,525,609 km (0.115 R)
• M12: 7,327,753 km (0.091 R)
• M13: 9,451,145 km (0.116 R)
• M14: 10,474,843 km (0.09 R)
• M15: 11,409,231 km (0.05 R)
• M16: 13,442,565 km (0.065 R)
• M17: 13,742,808 km (0.075 R)
• M18: 20,409,937 km (0.112 R)
• M19: 24,432,025 km (0.108 R)
• M20: 42,104,620 km (0.109 R)
• M21: 43,135,499 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.1

Radius: 4.2

Gravity: 25.91 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.94 AU - 7.96 AU

Year: 12647 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,985,322 km

• M1: 52,359 km (0.119 R)
• M2: 224,098 km (0.075 R)
• M3: 404,064 km (0.054 R)
• M4: 617,091 km (0.109 R)
• M5: 902,374 km (0.1 R)
• M6: 1,161,328 km (0.073 R)
• M7: 1,360,293 km (0.06 R)
• M8: 1,552,676 km (0.095 R)
• M9: 1,747,602 km (0.085 R)
• M10: 2,550,943 km (0.113 R)
• M11: 2,779,977 km (0.061 R)
• M12: 3,045,065 km (0.07 R)
• M13: 3,600,522 km (0.07 R)
• M14: 4,511,273 km (0.055 R)
• M15: 5,987,206 km (0.09 R)
• M16: 6,205,619 km (0.117 R)
• M17: 6,429,417 km (0.089 R)
• M18: 6,853,527 km (0.073 R)
• M19: 7,800,332 km (0.037 R)
• M20: 8,017,099 km (0.065 R)
• M21: 8,924,859 km (0.086 R)
• M22: 9,501,260 km (0.08 R)
• M23: 9,698,729 km (0.079 R)
• M24: 11,050,196 km (0.081 R)
• M25: 14,313,075 km (0.05 R)
• M26: 16,550,162 km (0.099 R)
• M27: 17,788,832 km (0.069 R)
• M28: 18,854,268 km (0.072 R)
• M29: 19,166,330 km (0.114 R)
• M30: 19,881,108 km (0.105 R)
• M31: 22,829,832 km (0.099 R)
• M32: 28,437,957 km (0.06 R)
• M33: 28,745,380 km (0.117 R)
• M34: 29,786,133 km (0.112 R)
• M35: 31,612,723 km (0.107 R)
• M36: 35,015,775 km (0.107 R)
• M37: 45,685,993 km (0.104 R)
• M38: 47,532,031 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 15,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit