🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 9.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.81 AU - 1.85 AU

Year: 1651 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,603,139 km

• M1: 117,434 km (0.078 R)
• M2: 715,377 km (0.12 R)
• M3: 1,036,414 km (0.115 R)
• M4: 1,558,062 km (0.068 R)
• M5: 2,899,506 km (0.072 R)
• M6: 3,213,811 km (0.094 R)
• M7: 6,097,310 km (0.104 R)
• M8: 7,383,702 km (0.055 R)

Planet 2 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.3

Radius: 7.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.36 AU - 8.82 AU

Year: 13944 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,603,139 km

• M1: 102,475 km (0.095 R)
• M2: 580,290 km (0.105 R)
• M3: 832,961 km (0.045 R)
• M4: 1,378,694 km (0.106 R)
• M5: 1,686,716 km (0.074 R)
• M6: 2,378,157 km (0.096 R)
• M7: 3,326,608 km (0.037 R)
• M8: 3,620,568 km (0.097 R)
• M9: 6,735,943 km (0.117 R)
• M10: 7,242,781 km (0.067 R)
• M11: 9,822,895 km (0.039 R)
• M12: 18,208,754 km (0.062 R)
• M13: 18,663,232 km (0.047 R)
• M14: 20,907,649 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.7

Radius: 6.2

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.04 AU - 9.36 AU

Year: 17112 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,603,139 km

• M1: 77,043 km (0.109 R)
• M2: 336,296 km (0.114 R)
• M3: 1,136,046 km (0.072 R)
• M4: 1,473,240 km (0.047 R)
• M5: 3,395,124 km (0.083 R)
• M6: 4,246,934 km (0.118 R)
• M7: 6,205,020 km (0.074 R)
• M8: 8,401,865 km (0.115 R)
• M9: 8,946,850 km (0.093 R)
• M10: 9,674,046 km (0.101 R)
• M11: 10,161,884 km (0.11 R)
• M12: 10,609,331 km (0.108 R)
• M13: 12,091,996 km (0.03 R)
• M14: 17,678,878 km (0.084 R)
• M15: 18,000,364 km (0.09 R)
• M16: 19,072,233 km (0.079 R)
• M17: 21,890,656 km (0.025 R)
• M18: 23,981,885 km (0.064 R)
• M19: 27,362,947 km (0.039 R)
• M20: 27,685,180 km (0.095 R)
• M21: 31,870,779 km (0.035 R)
• M22: 34,175,484 km (0.06 R)
• M23: 39,934,703 km (0.115 R)
• M24: 47,381,236 km (0.072 R)
• M25: 48,001,618 km (0.079 R)
• M26: 48,784,614 km (0.096 R)
• M27: 53,662,851 km (0.056 R)
• M28: 61,024,113 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 5.4

Gravity: 26.55 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.99 AU - 9.69 AU

Year: 19035 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,603,139 km

• M1: 71,657 km (0.11 R)
• M2: 499,208 km (0.092 R)
• M3: 871,856 km (0.115 R)
• M4: 1,955,095 km (0.112 R)
• M5: 2,845,651 km (0.079 R)
• M6: 3,131,981 km (0.1 R)
• M7: 3,380,313 km (0.113 R)
• M8: 3,731,868 km (0.119 R)
• M9: 4,682,264 km (0.07 R)
• M10: 4,933,887 km (0.085 R)
• M11: 5,194,636 km (0.045 R)
• M12: 7,048,752 km (0.067 R)
• M13: 8,021,737 km (0.084 R)
• M14: 8,807,874 km (0.112 R)
• M15: 9,303,492 km (0.119 R)
• M16: 9,472,836 km (0.054 R)
• M17: 10,532,288 km (0.079 R)
• M18: 11,931,477 km (0.07 R)
• M19: 12,469,731 km (0.095 R)
• M20: 15,405,888 km (0.043 R)
• M21: 16,287,468 km (0.118 R)
• M22: 16,949,439 km (0.109 R)
• M23: 28,545,069 km (0.061 R)
• M24: 29,143,311 km (0.075 R)
• M25: 33,040,485 km (0.071 R)
• M26: 33,303,179 km (0.103 R)
• M27: 36,565,609 km (0.108 R)
• M28: 42,776,314 km (0.072 R)
• M29: 45,803,128 km (0.061 R)
• M30: 46,458,068 km (0.072 R)
• M31: 46,953,386 km (0.117 R)
• M32: 54,627,308 km (0.111 R)
• M33: 54,994,720 km (0.034 R)
• M34: 58,375,932 km (0.057 R)
• M35: 59,922,175 km (0.093 R)
• M36: 60,509,048 km (0.108 R)
• M37: 65,135,810 km (0.087 R)
• M38: 73,064,498 km (0.068 R)
• M39: 75,312,654 km (0.179 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.2

Radius: 7.8

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.56 AU - 10.74 AU

Year: 21564 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,603,139 km

• M1: 99,333 km (0.083 R)
• M2: 805,136 km (0.098 R)
• M3: 2,097,512 km (0.114 R)
• M4: 3,493,110 km (0.081 R)
• M5: 4,164,655 km (0.034 R)
• M6: 7,360,514 km (0.033 R)
• M7: 9,448,302 km (0.071 R)
• M8: 12,543,632 km (0.117 R)
• M9: 12,872,897 km (0.11 R)
• M10: 14,606,437 km (0.11 R)
• M11: 15,947,283 km (0.099 R)
• M12: 16,885,560 km (0.073 R)
• M13: 22,231,141 km (0.12 R)
• M14: 22,616,505 km (0.074 R)
• M15: 23,500,180 km (0.113 R)
• M16: 24,406,743 km (0.118 R)
• M17: 34,532,724 km (0.088 R)
• M18: 35,572,130 km (0.063 R)
• M19: 49,392,579 km (0.063 R)
• M20: 57,117,664 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 15,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit