🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 13

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.78 AU - 1.22 AU

Year: 667 Days

Day: 11.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,807,477 km

• M1: 161,715 km (0.075 R)
• M2: 604,974 km (0.067 R)
• M3: 1,024,895 km (0.107 R)
• M4: 1,522,607 km (0.116 R)
• M5: 2,144,785 km (0.077 R)
• M6: 2,564,108 km (0.032 R)
• M7: 3,135,721 km (0.088 R)
• M8: 3,991,122 km (0.101 R)
• M9: 6,047,344 km (0.081 R)
• M10: 6,605,045 km (0.105 R)
• M11: 7,024,218 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 14.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.12 AU - 5.08 AU

Year: 6579 Days

Day: 12.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,807,477 km

• M1: 177,872 km (0.099 R)
• M2: 649,853 km (0.118 R)
• M3: 1,097,450 km (0.113 R)
• M4: 1,751,941 km (0.099 R)
• M5: 3,033,246 km (0.09 R)
• M6: 5,490,541 km (0.047 R)
• M7: 6,441,684 km (0.084 R)
• M8: 9,101,534 km (0.099 R)
• M9: 9,586,680 km (0.069 R)
• M10: 10,786,455 km (0.091 R)
• M11: 12,424,253 km (0.101 R)
• M12: 13,174,785 km (0.109 R)
• M13: 18,013,379 km (0.034 R)
• M14: 21,283,139 km (0.114 R)
• M15: 23,469,812 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512

Radius: 13.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.63 AU - 5.89 AU

Year: 6925 Days

Day: 5.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,807,477 km

• M1: 165,904 km (0.095 R)
• M2: 694,882 km (0.114 R)
• M3: 1,165,068 km (0.054 R)
• M4: 1,618,200 km (0.102 R)
• M5: 2,517,882 km (0.098 R)
• M6: 3,071,543 km (0.08 R)
• M7: 4,325,174 km (0.083 R)
• M8: 4,985,050 km (0.12 R)
• M9: 6,640,949 km (0.115 R)
• M10: 8,477,861 km (0.115 R)
• M11: 9,342,836 km (0.047 R)
• M12: 9,862,988 km (0.109 R)
• M13: 11,009,057 km (0.036 R)
• M14: 13,293,117 km (0.085 R)
• M15: 13,785,294 km (0.034 R)
• M16: 14,981,329 km (0.092 R)
• M17: 15,877,271 km (0.099 R)
• M18: 20,249,119 km (0.114 R)
• M19: 22,325,089 km (0.08 R)
• M20: 24,458,055 km (0.091 R)
• M21: 26,208,500 km (0.093 R)
• M22: 28,130,384 km (0.115 R)
• M23: 29,217,362 km (0.072 R)
• M24: 30,144,569 km (0.082 R)
• M25: 31,379,051 km (0.064 R)
• M26: 31,862,701 km (0.065 R)
• M27: 34,050,271 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.9

Radius: 4.4

Gravity: 24.79 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.96 AU - 7.92 AU

Year: 12192 Days

Day: 20.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,807,477 km

• M1: 54,902 km (0.115 R)
• M2: 366,964 km (0.066 R)
• M3: 578,495 km (0.094 R)
• M4: 1,226,104 km (0.116 R)
• M5: 1,528,591 km (0.097 R)
• M6: 2,047,546 km (0.066 R)
• M7: 2,802,567 km (0.086 R)
• M8: 3,650,188 km (0.057 R)
• M9: 3,967,336 km (0.114 R)
• M10: 5,190,298 km (0.114 R)
• M11: 5,388,216 km (0.112 R)
• M12: 7,198,201 km (0.052 R)
• M13: 9,042,144 km (0.098 R)
• M14: 9,671,203 km (0.078 R)
• M15: 10,072,574 km (0.103 R)
• M16: 10,908,378 km (0.117 R)
• M17: 13,137,685 km (0.119 R)
• M18: 15,046,404 km (0.062 R)
• M19: 15,449,122 km (0.097 R)
• M20: 23,262,319 km (0.094 R)
• M21: 24,995,411 km (0.093 R)
• M22: 28,004,572 km (0.062 R)
• M23: 28,511,559 km (0.083 R)
• M24: 31,573,079 km (0.062 R)
• M25: 33,239,450 km (0.08 R)
• M26: 36,265,067 km (0.113 R)
• M27: 36,625,448 km (0.089 R)
• M28: 36,988,373 km (0.119 R)
• M29: 38,463,857 km (0.08 R)
• M30: 41,663,157 km (0.109 R)
• M31: 46,716,573 km (0.076 R)
• M32: 48,294,082 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442

Radius: 7.9

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.27 AU - 8.73 AU

Year: 12350 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,807,477 km

• M1: 98,585 km (0.106 R)
• M2: 389,852 km (0.104 R)
• M3: 640,279 km (0.077 R)
• M4: 1,370,167 km (0.053 R)
• M5: 2,103,496 km (0.077 R)
• M6: 3,030,703 km (0.099 R)
• M7: 3,425,791 km (0.049 R)
• M8: 3,828,658 km (0.109 R)
• M9: 4,759,905 km (0.114 R)
• M10: 5,593,913 km (0.108 R)
• M11: 6,944,034 km (0.086 R)
• M12: 8,144,706 km (0.094 R)
• M13: 9,771,284 km (0.116 R)
• M14: 11,882,708 km (0.108 R)
• M15: 18,380,791 km (0.104 R)
• M16: 20,011,258 km (0.068 R)
• M17: 24,186,685 km (0.075 R)
• M18: 25,291,166 km (0.106 R)
• M19: 26,332,816 km (0.094 R)
• M20: 27,600,508 km (0.08 R)
• M21: 30,362,384 km (0.119 R)
• M22: 31,000,269 km (0.109 R)
• M23: 33,754,516 km (0.105 R)
• M24: 35,132,761 km (0.081 R)
• M25: 35,717,988 km (0.074 R)
• M26: 37,148,891 km (0.039 R)
• M27: 38,741,809 km (0.056 R)
• M28: 41,540,486 km (0.114 R)
• M29: 42,590,663 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.2

Radius: 4.6

Gravity: 28.41 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.24 AU - 11.38 AU

Year: 22076 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,807,477 km

• M1: 74,051 km (0.104 R)
• M2: 375,640 km (0.119 R)
• M3: 1,053,468 km (0.044 R)
• M4: 1,782,309 km (0.098 R)
• M5: 2,628,883 km (0.118 R)
• M6: 2,826,053 km (0.09 R)
• M7: 6,590,385 km (0.105 R)
• M8: 7,774,153 km (0.116 R)
• M9: 13,063,634 km (0.038 R)
• M10: 13,277,260 km (0.089 R)
• M11: 15,863,657 km (0.074 R)
• M12: 17,445,954 km (0.056 R)
• M13: 18,319,606 km (0.114 R)
• M14: 19,498,437 km (0.062 R)
• M15: 22,006,146 km (0.095 R)
• M16: 22,207,505 km (0.111 R)
• M17: 26,725,510 km (0.095 R)
• M18: 29,319,836 km (0.089 R)
• M19: 31,819,617 km (0.119 R)
• M20: 42,301,939 km (0.118 R)
• M21: 50,378,280 km (0.119 R)
• M22: 55,984,759 km (0.054 R)
• M23: 56,737,087 km (0.096 R)
• M24: 71,017,849 km (0.111 R)
• M25: 72,565,140 km (0.099 R)
• M26: 77,109,774 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 15,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit