🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 13.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.69 AU - 0.95 AU

Year: 513 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,013,192 km

• M1: 173,234 km (0.095 R)
• M2: 700,417 km (0.085 R)
• M3: 1,167,911 km (0.104 R)
• M4: 1,821,504 km (0.07 R)
• M5: 2,323,405 km (0.108 R)
• M6: 2,783,119 km (0.116 R)
• M7: 3,235,353 km (0.106 R)
• M8: 4,416,578 km (0.053 R)
• M9: 4,853,853 km (0.071 R)
• M10: 5,336,156 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 10

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.93 AU - 0.97 AU

Year: 639 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,013,192 km

• M1: 124,465 km (0.108 R)
• M2: 539,001 km (0.065 R)
• M3: 1,510,340 km (0.11 R)
• M4: 1,822,551 km (0.096 R)
• M5: 2,204,325 km (0.055 R)
• M6: 2,669,125 km (0.089 R)
• M7: 3,255,100 km (0.096 R)
• M8: 3,597,530 km (0.112 R)
• M9: 4,176,623 km (0.114 R)
• M10: 4,922,219 km (0.119 R)
• M11: 5,326,881 km (0.089 R)
• M12: 5,670,058 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 13

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.27 AU - 2.37 AU

Year: 2439 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,013,192 km

• M1: 162,762 km (0.086 R)
• M2: 696,677 km (0.045 R)
• M3: 1,378,544 km (0.107 R)
• M4: 2,735,397 km (0.068 R)
• M5: 5,729,449 km (0.061 R)
• M6: 6,341,005 km (0.067 R)
• M7: 7,281,676 km (0.111 R)
• M8: 9,405,368 km (0.119 R)
• M9: 9,861,043 km (0.101 R)
• M10: 11,873,733 km (0.105 R)
• M11: 14,101,843 km (0.115 R)
• M12: 17,211,085 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.6

Radius: 10.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.72 AU - 6.06 AU

Year: 7464 Days

Day: 10.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,013,192 km

• M1: 144,661 km (0.111 R)
• M2: 541,993 km (0.059 R)
• M3: 1,179,430 km (0.029 R)
• M4: 1,687,015 km (0.119 R)
• M5: 2,876,767 km (0.056 R)
• M6: 3,709,130 km (0.088 R)
• M7: 4,104,816 km (0.092 R)
• M8: 4,638,880 km (0.059 R)
• M9: 5,558,010 km (0.074 R)
• M10: 7,520,135 km (0.114 R)
• M11: 8,156,674 km (0.089 R)
• M12: 8,488,183 km (0.039 R)
• M13: 11,578,277 km (0.117 R)
• M14: 15,162,043 km (0.114 R)
• M15: 17,511,029 km (0.088 R)
• M16: 18,486,706 km (0.08 R)
• M17: 22,268,690 km (0.064 R)
• M18: 25,379,129 km (0.041 R)
• M19: 27,267,653 km (0.088 R)
• M20: 29,248,029 km (0.098 R)
• M21: 32,137,961 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 8.8

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.67 AU - 5.11 AU

Year: 7464 Days

Day: 12.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,013,192 km

• M1: 109,506 km (0.081 R)
• M2: 529,128 km (0.047 R)
• M3: 912,846 km (0.078 R)
• M4: 1,345,184 km (0.088 R)
• M5: 1,814,921 km (0.086 R)
• M6: 2,141,045 km (0.068 R)
• M7: 2,766,513 km (0.113 R)
• M8: 4,353,148 km (0.085 R)
• M9: 4,731,930 km (0.096 R)
• M10: 6,375,712 km (0.038 R)
• M11: 6,666,380 km (0.105 R)
• M12: 8,067,215 km (0.104 R)
• M13: 8,639,875 km (0.094 R)
• M14: 9,239,464 km (0.037 R)
• M15: 9,952,298 km (0.09 R)
• M16: 12,261,490 km (0.119 R)
• M17: 13,173,888 km (0.086 R)
• M18: 15,304,760 km (0.105 R)
• M19: 15,593,633 km (0.104 R)
• M20: 16,542,533 km (0.04 R)
• M21: 19,893,076 km (0.093 R)
• M22: 20,585,565 km (0.038 R)
• M23: 25,403,364 km (0.081 R)
• M24: 26,466,257 km (0.077 R)
• M25: 28,593,090 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.2

Radius: 8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.02 AU - 7.26 AU

Year: 11810 Days

Day: 18.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,013,192 km

• M1: 100,829 km (0.069 R)
• M2: 351,405 km (0.105 R)
• M3: 1,333,216 km (0.116 R)
• M4: 2,047,546 km (0.118 R)
• M5: 2,433,808 km (0.11 R)
• M6: 3,016,641 km (0.116 R)
• M7: 4,074,448 km (0.106 R)
• M8: 5,171,598 km (0.027 R)
• M9: 5,856,457 km (0.081 R)
• M10: 6,975,898 km (0.093 R)
• M11: 9,443,216 km (0.082 R)
• M12: 11,993,112 km (0.106 R)
• M13: 17,536,162 km (0.046 R)
• M14: 19,452,810 km (0.1 R)
• M15: 23,437,050 km (0.052 R)
• M16: 24,578,781 km (0.052 R)
• M17: 26,034,517 km (0.1 R)
• M18: 28,521,133 km (0.113 R)
• M19: 31,582,055 km (0.061 R)
• M20: 33,300,785 km (0.056 R)
• M21: 37,512,713 km (0.1 R)
• M22: 39,684,575 km (0.077 R)
• M23: 43,097,501 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit