🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 8.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.34 AU - 1.4 AU

Year: 1127 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,518,823 km

• M1: 102,624 km (0.043 R)
• M2: 928,105 km (0.101 R)
• M3: 1,225,805 km (0.066 R)
• M4: 1,794,277 km (0.082 R)
• M5: 2,207,765 km (0.112 R)
• M6: 3,524,227 km (0.106 R)
• M7: 4,730,135 km (0.116 R)
• M8: 6,573,630 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 12.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.98 AU - 3.1 AU

Year: 3726 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,518,823 km

• M1: 155,432 km (0.072 R)
• M2: 816,655 km (0.094 R)
• M3: 1,621,641 km (0.115 R)
• M4: 2,297,524 km (0.112 R)
• M5: 2,735,247 km (0.099 R)
• M6: 3,419,059 km (0.032 R)
• M7: 4,037,347 km (0.092 R)
• M8: 4,490,030 km (0.11 R)
• M9: 6,349,382 km (0.099 R)
• M10: 6,901,099 km (0.054 R)
• M11: 7,960,851 km (0.115 R)
• M12: 8,385,260 km (0.118 R)
• M13: 9,473,734 km (0.077 R)
• M14: 10,072,574 km (0.03 R)
• M15: 11,658,162 km (0.077 R)
• M16: 12,629,202 km (0.079 R)
• M17: 14,057,562 km (0.089 R)
• M18: 15,811,149 km (0.079 R)
• M19: 16,483,591 km (0.114 R)
• M20: 18,926,075 km (0.108 R)
• M21: 20,071,098 km (0.091 R)
• M22: 21,329,365 km (0.096 R)
• M23: 22,709,705 km (0.06 R)
• M24: 25,116,585 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.1

Radius: 12.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.05 AU - 4.47 AU

Year: 5125 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 113 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,518,823 km

• M1: 156,629 km (0.07 R)
• M2: 575,802 km (0.115 R)
• M3: 1,000,361 km (0.106 R)
• M4: 1,784,703 km (0.061 R)
• M5: 2,300,666 km (0.114 R)
• M6: 3,546,218 km (0.101 R)
• M7: 4,102,572 km (0.052 R)
• M8: 4,783,691 km (0.067 R)
• M9: 5,893,857 km (0.036 R)
• M10: 6,317,967 km (0.079 R)
• M11: 6,819,569 km (0.094 R)
• M12: 9,063,088 km (0.04 R)
• M13: 9,775,174 km (0.102 R)
• M14: 10,795,431 km (0.102 R)
• M15: 11,271,152 km (0.11 R)
• M16: 12,392,987 km (0.054 R)
• M17: 18,182,873 km (0.107 R)
• M18: 19,200,887 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 9.8

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.95 AU - 4.63 AU

Year: 6246 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,518,823 km

• M1: 122,521 km (0.077 R)
• M2: 444,156 km (0.11 R)
• M3: 855,101 km (0.091 R)
• M4: 1,500,167 km (0.032 R)
• M5: 2,215,544 km (0.048 R)
• M6: 3,206,331 km (0.072 R)
• M7: 4,331,307 km (0.073 R)
• M8: 4,773,369 km (0.1 R)
• M9: 5,113,554 km (0.098 R)
• M10: 5,748,149 km (0.105 R)
• M11: 6,133,812 km (0.096 R)
• M12: 7,092,435 km (0.088 R)
• M13: 7,765,625 km (0.104 R)
• M14: 8,450,185 km (0.092 R)
• M15: 8,760,152 km (0.119 R)
• M16: 13,222,208 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 13.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.54 AU - 5.2 AU

Year: 6421 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,518,823 km

• M1: 166,802 km (0.065 R)
• M2: 660,175 km (0.111 R)
• M3: 2,081,505 km (0.085 R)
• M4: 2,635,466 km (0.093 R)
• M5: 3,388,691 km (0.052 R)
• M6: 4,161,663 km (0.05 R)
• M7: 5,524,201 km (0.109 R)
• M8: 7,913,877 km (0.108 R)
• M9: 8,441,060 km (0.114 R)
• M10: 8,871,752 km (0.107 R)
• M11: 9,692,446 km (0.093 R)
• M12: 11,063,959 km (0.118 R)
• M13: 19,237,837 km (0.104 R)
• M14: 22,947,266 km (0.101 R)
• M15: 24,256,696 km (0.092 R)
• M16: 27,193,452 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.8

Radius: 4.3

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.05 AU - 7.99 AU

Year: 11703 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 35,518,823 km

• M1: 59,690 km (0.089 R)
• M2: 473,178 km (0.074 R)
• M3: 949,797 km (0.106 R)
• M4: 1,231,190 km (0.092 R)
• M5: 1,497,175 km (0.066 R)
• M6: 2,091,827 km (0.093 R)
• M7: 2,249,054 km (0.076 R)
• M8: 2,980,139 km (0.032 R)
• M9: 3,248,069 km (0.082 R)
• M10: 3,755,505 km (0.034 R)
• M11: 3,935,770 km (0.054 R)
• M12: 4,313,804 km (0.048 R)
• M13: 4,627,511 km (0.092 R)
• M14: 5,048,629 km (0.092 R)
• M15: 5,897,597 km (0.085 R)
• M16: 6,687,025 km (0.116 R)
• M17: 8,873,697 km (0.067 R)
• M18: 9,010,130 km (0.12 R)
• M19: 11,875,378 km (0.107 R)
• M20: 12,893,092 km (0.106 R)
• M21: 13,967,504 km (0.064 R)
• M22: 15,035,633 km (0.115 R)
• M23: 16,429,137 km (0.063 R)
• M24: 21,283,887 km (0.107 R)
• M25: 25,062,730 km (0.091 R)
• M26: 25,427,000 km (0.067 R)
• M27: 26,635,003 km (0.085 R)
• M28: 28,964,841 km (0.104 R)
• M29: 31,638,304 km (0.081 R)
• M30: 37,826,420 km (0.119 R)
• M31: 42,931,148 km (0.095 R)
• M32: 43,191,299 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.4

Radius: 4.7

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.07 AU - 7.53 AU

Year: 12464 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,518,823 km

• M1: 58,942 km (0.042 R)
• M2: 217,814 km (0.115 R)
• M3: 457,021 km (0.106 R)
• M4: 653,443 km (0.114 R)
• M5: 828,623 km (0.068 R)
• M6: 1,104,631 km (0.063 R)
• M7: 1,658,292 km (0.066 R)
• M8: 2,327,892 km (0.073 R)
• M9: 2,957,251 km (0.043 R)
• M10: 3,487,575 km (0.063 R)
• M11: 3,669,935 km (0.068 R)
• M12: 3,907,048 km (0.084 R)
• M13: 4,464,449 km (0.056 R)
• M14: 5,102,185 km (0.066 R)
• M15: 6,799,822 km (0.06 R)
• M16: 8,799,197 km (0.098 R)
• M17: 9,397,888 km (0.104 R)
• M18: 12,696,521 km (0.095 R)
• M19: 13,129,158 km (0.117 R)
• M20: 18,146,222 km (0.108 R)
• M21: 18,556,718 km (0.101 R)
• M22: 21,453,531 km (0.092 R)
• M23: 23,570,641 km (0.117 R)
• M24: 24,804,973 km (0.095 R)
• M25: 26,081,790 km (0.118 R)
• M26: 27,491,302 km (0.063 R)
• M27: 32,023,519 km (0.054 R)
• M28: 32,322,116 km (0.068 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 11,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit