🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.7

Radius: 12.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.92 AU - 1.36 AU

Year: 812 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,103,097 km

• M1: 155,432 km (0.084 R)
• M2: 630,405 km (0.107 R)
• M3: 1,321,248 km (0.108 R)
• M4: 1,869,375 km (0.082 R)
• M5: 2,469,562 km (0.118 R)
• M6: 3,057,182 km (0.063 R)
• M7: 4,450,088 km (0.076 R)
• M8: 5,144,671 km (0.114 R)
• M9: 5,565,340 km (0.098 R)
• M10: 6,148,772 km (0.064 R)
• M11: 6,989,661 km (0.117 R)
• M12: 7,507,120 km (0.106 R)
• M13: 8,493,120 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.9

Radius: 9.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1 AU - 1.4 AU

Year: 877 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,103,097 km

• M1: 118,482 km (0.1 R)
• M2: 721,361 km (0.102 R)
• M3: 1,082,341 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.1

Radius: 10.8

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.58 AU - 3.42 AU

Year: 3465 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,103,097 km

• M1: 134,339 km (0.12 R)
• M2: 526,585 km (0.109 R)
• M3: 973,583 km (0.116 R)
• M4: 1,415,495 km (0.096 R)
• M5: 1,782,907 km (0.096 R)
• M6: 3,196,308 km (0.09 R)
• M7: 3,608,899 km (0.108 R)
• M8: 5,039,503 km (0.062 R)
• M9: 5,825,341 km (0.085 R)
• M10: 7,403,449 km (0.118 R)
• M11: 8,165,650 km (0.098 R)
• M12: 8,903,168 km (0.105 R)
• M13: 11,116,917 km (0.112 R)
• M14: 11,883,905 km (0.045 R)
• M15: 13,124,820 km (0.061 R)
• M16: 17,845,829 km (0.111 R)
• M17: 18,212,194 km (0.094 R)
• M18: 19,534,490 km (0.089 R)
• M19: 21,670,897 km (0.052 R)
• M20: 23,227,164 km (0.026 R)
• M21: 23,664,289 km (0.095 R)
• M22: 24,705,490 km (0.099 R)
• M23: 25,467,691 km (0.115 R)
• M24: 26,245,600 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 14.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.98 AU - 3.56 AU

Year: 3943 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,103,097 km

• M1: 180,415 km (0.107 R)
• M2: 800,947 km (0.077 R)
• M3: 1,596,658 km (0.052 R)
• M4: 3,207,528 km (0.1 R)
• M5: 3,910,488 km (0.104 R)
• M6: 4,714,577 km (0.051 R)
• M7: 5,827,884 km (0.118 R)
• M8: 6,625,989 km (0.06 R)
• M9: 7,435,613 km (0.107 R)
• M10: 7,927,341 km (0.082 R)
• M11: 8,672,338 km (0.117 R)
• M12: 9,677,935 km (0.033 R)
• M13: 10,153,357 km (0.074 R)
• M14: 11,151,175 km (0.094 R)
• M15: 11,756,149 km (0.073 R)
• M16: 13,031,770 km (0.109 R)
• M17: 14,777,876 km (0.039 R)
• M18: 16,623,315 km (0.043 R)
• M19: 17,413,791 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.8

Radius: 13.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.74 AU - 3.96 AU

Year: 4089 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,103,097 km

• M1: 167,101 km (0.098 R)
• M2: 600,935 km (0.119 R)
• M3: 1,197,681 km (0.053 R)
• M4: 1,756,578 km (0.094 R)
• M5: 2,223,473 km (0.079 R)
• M6: 2,740,932 km (0.081 R)
• M7: 4,130,248 km (0.064 R)
• M8: 5,643,131 km (0.04 R)
• M9: 6,377,656 km (0.092 R)
• M10: 6,922,791 km (0.097 R)
• M11: 7,531,954 km (0.098 R)
• M12: 8,211,427 km (0.117 R)
• M13: 8,784,237 km (0.037 R)
• M14: 11,044,960 km (0.048 R)
• M15: 13,085,625 km (0.109 R)
• M16: 15,048,349 km (0.115 R)
• M17: 15,581,665 km (0.12 R)
• M18: 16,742,994 km (0.095 R)
• M19: 17,200,314 km (0.119 R)
• M20: 17,842,688 km (0.091 R)
• M21: 18,259,766 km (0.07 R)
• M22: 18,744,464 km (0.053 R)
• M23: 19,424,835 km (0.055 R)
• M24: 20,638,821 km (0.119 R)
• M25: 22,519,267 km (0.073 R)
• M26: 23,147,279 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.2

Radius: 10.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.72 AU - 5.34 AU

Year: 6429 Days

Day: 13.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,103,097 km

• M1: 137,331 km (0.116 R)
• M2: 472,879 km (0.115 R)
• M3: 1,137,393 km (0.117 R)
• M4: 1,706,463 km (0.099 R)
• M5: 2,042,161 km (0.051 R)
• M6: 4,131,295 km (0.055 R)
• M7: 4,943,611 km (0.078 R)
• M8: 5,699,080 km (0.093 R)
• M9: 6,634,666 km (0.087 R)
• M10: 7,102,608 km (0.105 R)
• M11: 8,144,856 km (0.104 R)
• M12: 8,513,914 km (0.081 R)
• M13: 10,292,334 km (0.093 R)
• M14: 11,727,875 km (0.084 R)
• M15: 14,331,177 km (0.082 R)
• M16: 15,862,311 km (0.062 R)
• M17: 16,700,358 km (0.034 R)
• M18: 17,909,109 km (0.109 R)
• M19: 19,683,340 km (0.073 R)
• M20: 21,339,089 km (0.085 R)
• M21: 21,884,822 km (0.09 R)
• M22: 22,280,359 km (0.082 R)
• M23: 26,413,000 km (0.09 R)
• M24: 28,518,291 km (0.072 R)
• M25: 30,339,944 km (0.106 R)
• M26: 33,791,317 km (0.107 R)
• M27: 35,502,567 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.2

Radius: 6.2

Gravity: 25.55 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.67 AU - 6.29 AU

Year: 9752 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,103,097 km

• M1: 77,193 km (0.104 R)
• M2: 391,797 km (0.108 R)
• M3: 619,485 km (0.064 R)
• M4: 957,127 km (0.093 R)
• M5: 1,384,977 km (0.118 R)
• M6: 1,767,798 km (0.105 R)
• M7: 2,218,836 km (0.111 R)
• M8: 4,849,365 km (0.087 R)
• M9: 5,983,616 km (0.119 R)
• M10: 8,527,827 km (0.032 R)
• M11: 10,325,993 km (0.067 R)
• M12: 17,437,128 km (0.101 R)
• M13: 17,971,641 km (0.083 R)
• M14: 23,932,069 km (0.07 R)
• M15: 25,555,954 km (0.032 R)
• M16: 27,251,795 km (0.079 R)
• M17: 28,598,176 km (0.076 R)
• M18: 42,631,204 km (0.08 R)
• M19: 43,321,898 km (0.065 R)
• M20: 43,600,299 km (0.104 R)
• M21: 47,624,333 km (0.069 R)
• M22: 49,119,414 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.7

Radius: 7.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.22 AU - 8.96 AU

Year: 16789 Days

Day: 17.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,103,097 km

• M1: 115,190 km (0.094 R)
• M2: 603,179 km (0.106 R)
• M3: 847,622 km (0.112 R)
• M4: 1,319,453 km (0.067 R)
• M5: 2,565,005 km (0.104 R)
• M6: 5,125,971 km (0.078 R)
• M7: 7,749,918 km (0.052 R)
• M8: 8,162,359 km (0.087 R)
• M9: 11,104,949 km (0.111 R)
• M10: 13,359,987 km (0.075 R)
• M11: 18,753,140 km (0.109 R)
• M12: 19,875,573 km (0.095 R)
• M13: 21,280,596 km (0.106 R)
• M14: 25,170,440 km (0.104 R)
• M15: 29,015,255 km (0.044 R)
• M16: 31,438,292 km (0.109 R)
• M17: 33,126,653 km (0.108 R)
• M18: 40,363,151 km (0.119 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: 227 - 11,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit