🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.6

Radius: 14.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.36 AU - 1.84 AU

Year: 1350 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,143,819 km

• M1: 175,329 km (0.079 R)
• M2: 764,296 km (0.082 R)
• M3: 1,249,142 km (0.039 R)
• M4: 1,880,445 km (0.1 R)
• M5: 2,342,254 km (0.094 R)
• M6: 2,781,473 km (0.047 R)
• M7: 3,359,669 km (0.037 R)
• M8: 4,049,465 km (0.112 R)
• M9: 4,689,295 km (0.082 R)
• M10: 5,222,312 km (0.107 R)
• M11: 6,194,100 km (0.078 R)
• M12: 7,023,022 km (0.116 R)
• M13: 8,103,567 km (0.099 R)
• M14: 8,603,374 km (0.061 R)
• M15: 9,235,873 km (0.098 R)
• M16: 10,017,971 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.1

Radius: 14.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.56 AU - 2.84 AU

Year: 2959 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,143,819 km

• M1: 185,651 km (0.085 R)
• M2: 1,140,833 km (0.104 R)
• M3: 1,798,765 km (0.099 R)
• M4: 2,343,151 km (0.082 R)
• M5: 2,997,493 km (0.118 R)
• M6: 3,556,839 km (0.105 R)
• M7: 4,584,128 km (0.057 R)
• M8: 5,800,807 km (0.11 R)
• M9: 6,470,706 km (0.103 R)
• M10: 9,757,521 km (0.098 R)
• M11: 11,416,412 km (0.066 R)
• M12: 13,115,545 km (0.11 R)
• M13: 14,723,273 km (0.082 R)
• M14: 15,287,257 km (0.028 R)
• M15: 17,861,836 km (0.091 R)
• M16: 18,741,023 km (0.052 R)
• M17: 19,343,154 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.3

Radius: 8.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.96 AU - 5.3 AU

Year: 7748 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 132.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,143,819 km

• M1: 110,702 km (0.077 R)
• M2: 462,407 km (0.029 R)
• M3: 753,674 km (0.077 R)
• M4: 1,125,425 km (0.067 R)
• M5: 1,756,279 km (0.044 R)
• M6: 2,099,905 km (0.119 R)
• M7: 2,423,186 km (0.034 R)
• M8: 2,851,485 km (0.113 R)
• M9: 3,996,058 km (0.1 R)
• M10: 4,646,360 km (0.075 R)
• M11: 5,254,476 km (0.098 R)
• M12: 6,311,684 km (0.057 R)
• M13: 6,824,505 km (0.098 R)
• M14: 7,193,114 km (0.09 R)
• M15: 7,717,156 km (0.084 R)
• M16: 9,118,738 km (0.088 R)
• M17: 9,649,212 km (0.067 R)
• M18: 10,200,331 km (0.109 R)
• M19: 12,368,752 km (0.066 R)
• M20: 13,326,777 km (0.104 R)
• M21: 14,063,845 km (0.07 R)
• M22: 14,387,874 km (0.108 R)
• M23: 18,482,069 km (0.091 R)
• M24: 19,598,518 km (0.073 R)
• M25: 21,109,157 km (0.076 R)
• M26: 23,443,034 km (0.114 R)
• M27: 23,975,602 km (0.056 R)
• M28: 24,594,040 km (0.11 R)
• M29: 25,223,248 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 11.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.64 AU - 5.74 AU

Year: 9051 Days

Day: 12.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,143,819 km

• M1: 143,016 km (0.118 R)
• M2: 520,301 km (0.092 R)
• M3: 896,690 km (0.047 R)
• M4: 1,826,141 km (0.116 R)
• M5: 2,385,039 km (0.115 R)
• M6: 3,118,816 km (0.055 R)
• M7: 4,858,789 km (0.083 R)
• M8: 5,488,746 km (0.107 R)
• M9: 6,766,910 km (0.112 R)
• M10: 9,810,180 km (0.074 R)
• M11: 17,456,426 km (0.075 R)
• M12: 18,432,253 km (0.068 R)
• M13: 19,370,531 km (0.115 R)
• M14: 20,264,827 km (0.092 R)
• M15: 20,721,998 km (0.117 R)
• M16: 25,153,386 km (0.114 R)
• M17: 28,340,569 km (0.049 R)
• M18: 29,105,163 km (0.052 R)
• M19: 35,285,051 km (0.119 R)
• M20: 36,170,072 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.8

Radius: 7.6

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.51 AU - 8.51 AU

Year: 16555 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,143,819 km

• M1: 94,546 km (0.117 R)
• M2: 363,822 km (0.088 R)
• M3: 837,299 km (0.1 R)
• M4: 1,205,160 km (0.109 R)
• M5: 2,248,755 km (0.075 R)
• M6: 2,757,089 km (0.116 R)
• M7: 3,014,696 km (0.095 R)
• M8: 3,444,341 km (0.066 R)
• M9: 3,972,422 km (0.118 R)
• M10: 4,240,800 km (0.038 R)
• M11: 4,948,398 km (0.09 R)
• M12: 5,583,741 km (0.117 R)
• M13: 6,036,872 km (0.072 R)
• M14: 6,596,069 km (0.108 R)
• M15: 7,059,224 km (0.065 R)
• M16: 7,454,312 km (0.104 R)
• M17: 7,771,609 km (0.119 R)
• M18: 9,707,555 km (0.12 R)
• M19: 10,531,092 km (0.113 R)
• M20: 16,476,261 km (0.096 R)
• M21: 17,486,944 km (0.065 R)
• M22: 17,886,370 km (0.029 R)
• M23: 19,460,289 km (0.099 R)
• M24: 21,486,293 km (0.113 R)
• M25: 22,316,113 km (0.077 R)
• M26: 25,337,990 km (0.04 R)
• M27: 27,319,114 km (0.105 R)
• M28: 32,779,586 km (0.116 R)
• M29: 38,251,876 km (0.095 R)
• M30: 40,573,486 km (0.049 R)
• M31: 42,411,146 km (0.082 R)
• M32: 54,955,376 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 13,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit