🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 10.8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.67 AU - 1.07 AU

Year: 560 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,731,581 km

• M1: 134,488 km (0.11 R)
• M2: 513,719 km (0.112 R)
• M3: 1,077,105 km (0.107 R)
• M4: 1,540,708 km (0.085 R)
• M5: 2,072,379 km (0.077 R)
• M6: 2,462,082 km (0.101 R)
• M7: 3,291,602 km (0.045 R)
• M8: 4,824,232 km (0.076 R)
• M9: 5,255,373 km (0.115 R)
• M10: 5,821,302 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 10.8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.68 AU - 1.12 AU

Year: 589 Days

Day: 12.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,731,581 km

• M1: 134,339 km (0.116 R)
• M2: 499,806 km (0.118 R)
• M3: 975,827 km (0.086 R)
• M4: 1,695,542 km (0.079 R)
• M5: 2,693,659 km (0.102 R)
• M6: 3,381,211 km (0.093 R)
• M7: 3,772,709 km (0.095 R)
• M8: 4,244,540 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.1

Radius: 10.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.28 AU - 1.8 AU

Year: 1319 Days

Day: 11.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,731,581 km

• M1: 128,205 km (0.071 R)
• M2: 622,626 km (0.063 R)
• M3: 1,004,998 km (0.088 R)
• M4: 1,649,915 km (0.076 R)
• M5: 2,937,953 km (0.115 R)
• M6: 3,269,312 km (0.079 R)
• M7: 3,842,870 km (0.079 R)
• M8: 5,029,630 km (0.113 R)
• M9: 5,874,110 km (0.05 R)
• M10: 6,320,061 km (0.098 R)
• M11: 7,558,133 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 14.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.99 AU - 2.11 AU

Year: 2026 Days

Day: 10.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,731,581 km

• M1: 180,565 km (0.109 R)
• M2: 639,680 km (0.078 R)
• M3: 1,102,237 km (0.109 R)
• M4: 1,898,247 km (0.115 R)
• M5: 2,732,555 km (0.052 R)
• M6: 3,211,717 km (0.083 R)
• M7: 3,982,146 km (0.115 R)
• M8: 4,643,668 km (0.106 R)
• M9: 5,287,537 km (0.09 R)
• M10: 6,314,077 km (0.084 R)
• M11: 7,612,886 km (0.053 R)
• M12: 8,479,955 km (0.057 R)
• M13: 9,954,990 km (0.042 R)
• M14: 11,103,902 km (0.038 R)
• M15: 12,219,752 km (0.05 R)
• M16: 14,185,468 km (0.092 R)
• M17: 15,686,534 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.6

Radius: 8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.8 AU - 3.44 AU

Year: 3804 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,731,581 km

• M1: 99,483 km (0.07 R)
• M2: 357,090 km (0.05 R)
• M3: 613,650 km (0.03 R)
• M4: 992,582 km (0.106 R)
• M5: 1,367,325 km (0.104 R)
• M6: 1,702,723 km (0.108 R)
• M7: 3,194,363 km (0.074 R)
• M8: 3,709,279 km (0.066 R)
• M9: 4,322,630 km (0.089 R)
• M10: 4,712,483 km (0.044 R)
• M11: 6,482,674 km (0.105 R)
• M12: 6,750,155 km (0.049 R)
• M13: 7,371,435 km (0.094 R)
• M14: 7,762,035 km (0.057 R)
• M15: 8,835,400 km (0.117 R)
• M16: 10,044,001 km (0.085 R)
• M17: 11,924,895 km (0.066 R)
• M18: 12,282,284 km (0.112 R)
• M19: 13,735,328 km (0.12 R)
• M20: 14,782,514 km (0.105 R)
• M21: 15,615,475 km (0.09 R)
• M22: 16,700,059 km (0.077 R)
• M23: 19,079,264 km (0.067 R)
• M24: 20,957,166 km (0.087 R)
• M25: 21,609,562 km (0.097 R)
• M26: 21,874,350 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.5

Radius: 5.3

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.82 AU - 7.3 AU

Year: 11598 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 40,731,581 km

• M1: 65,973 km (0.101 R)
• M2: 272,867 km (0.083 R)
• M3: 621,130 km (0.072 R)
• M4: 884,273 km (0.094 R)
• M5: 1,721,273 km (0.107 R)
• M6: 2,332,680 km (0.108 R)
• M7: 2,707,721 km (0.108 R)
• M8: 4,820,941 km (0.073 R)
• M9: 7,756,500 km (0.101 R)
• M10: 8,165,501 km (0.117 R)
• M11: 8,375,386 km (0.098 R)
• M12: 10,041,757 km (0.105 R)
• M13: 11,917,266 km (0.092 R)
• M14: 13,776,468 km (0.071 R)
• M15: 15,626,994 km (0.041 R)
• M16: 15,820,573 km (0.086 R)
• M17: 16,678,517 km (0.082 R)
• M18: 17,776,565 km (0.093 R)
• M19: 19,363,948 km (0.072 R)
• M20: 20,886,705 km (0.065 R)
• M21: 22,652,110 km (0.109 R)
• M22: 23,402,193 km (0.08 R)
• M23: 25,393,939 km (0.073 R)
• M24: 27,967,771 km (0.106 R)
• M25: 28,927,591 km (0.032 R)
• M26: 30,408,310 km (0.064 R)
• M27: 31,320,558 km (0.104 R)
• M28: 32,355,327 km (0.106 R)
• M29: 34,275,116 km (0.1 R)
• M30: 39,883,540 km (0.072 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: 236 - 16,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit