🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 10.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.11 AU - 1.51 AU

Year: 968 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,565,607 km

• M1: 137,032 km (0.092 R)
• M2: 513,869 km (0.071 R)
• M3: 890,855 km (0.097 R)
• M4: 1,256,622 km (0.08 R)
• M5: 1,673,252 km (0.097 R)
• M6: 2,004,761 km (0.08 R)
• M7: 2,391,472 km (0.083 R)
• M8: 2,939,000 km (0.07 R)
• M9: 3,290,106 km (0.053 R)
• M10: 4,220,904 km (0.092 R)
• M11: 5,225,005 km (0.082 R)
• M12: 5,664,673 km (0.102 R)
• M13: 6,402,490 km (0.102 R)
• M14: 6,750,454 km (0.067 R)
• M15: 7,272,850 km (0.097 R)
• M16: 8,044,326 km (0.037 R)
• M17: 8,605,767 km (0.096 R)
• M18: 8,976,471 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 11.1

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.09 AU - 3.27 AU

Year: 2833 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,565,607 km

• M1: 138,079 km (0.113 R)
• M2: 732,431 km (0.093 R)
• M3: 1,234,182 km (0.049 R)
• M4: 1,897,200 km (0.079 R)
• M5: 2,268,353 km (0.097 R)
• M6: 3,160,105 km (0.12 R)
• M7: 4,797,005 km (0.096 R)
• M8: 5,187,755 km (0.106 R)
• M9: 5,652,705 km (0.094 R)
• M10: 6,033,581 km (0.086 R)
• M11: 6,460,683 km (0.111 R)
• M12: 6,816,726 km (0.066 R)
• M13: 7,699,204 km (0.101 R)
• M14: 8,270,967 km (0.104 R)
• M15: 10,277,523 km (0.059 R)
• M16: 11,959,602 km (0.109 R)
• M17: 13,194,233 km (0.098 R)
• M18: 13,915,744 km (0.087 R)
• M19: 14,511,891 km (0.12 R)
• M20: 15,915,418 km (0.119 R)
• M21: 16,512,314 km (0.044 R)
• M22: 16,955,871 km (0.067 R)
• M23: 18,216,682 km (0.086 R)
• M24: 18,571,229 km (0.094 R)
• M25: 18,990,552 km (0.045 R)
• M26: 19,786,114 km (0.093 R)
• M27: 21,509,481 km (0.106 R)
• M28: 22,986,012 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704

Radius: 14.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.29 AU - 3.81 AU

Year: 3439 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,565,607 km

• M1: 181,612 km (0.109 R)
• M2: 709,991 km (0.103 R)
• M3: 1,262,756 km (0.082 R)
• M4: 1,723,816 km (0.037 R)
• M5: 2,188,766 km (0.109 R)
• M6: 3,091,739 km (0.12 R)
• M7: 5,770,289 km (0.056 R)
• M8: 6,803,113 km (0.053 R)
• M9: 7,493,058 km (0.093 R)
• M10: 8,023,682 km (0.112 R)
• M11: 8,758,507 km (0.111 R)
• M12: 9,385,770 km (0.049 R)
• M13: 10,855,420 km (0.101 R)
• M14: 12,750,526 km (0.111 R)
• M15: 15,064,805 km (0.06 R)
• M16: 18,530,090 km (0.089 R)
• M17: 19,690,521 km (0.057 R)
• M18: 20,384,206 km (0.11 R)
• M19: 23,183,930 km (0.073 R)
• M20: 23,674,312 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 13.3

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.41 AU - 4.67 AU

Year: 5243 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,565,607 km

• M1: 171,888 km (0.071 R)
• M2: 794,514 km (0.088 R)
• M3: 1,573,171 km (0.033 R)
• M4: 2,296,178 km (0.079 R)
• M5: 3,176,112 km (0.071 R)
• M6: 3,958,808 km (0.038 R)
• M7: 4,408,200 km (0.079 R)
• M8: 5,937,689 km (0.103 R)
• M9: 8,146,352 km (0.114 R)
• M10: 11,472,810 km (0.107 R)
• M11: 12,822,781 km (0.099 R)
• M12: 13,864,581 km (0.086 R)
• M13: 14,962,181 km (0.07 R)
• M14: 15,504,772 km (0.062 R)
• M15: 17,448,647 km (0.102 R)
• M16: 22,162,775 km (0.093 R)
• M17: 23,735,198 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.4

Radius: 4.6

Gravity: 32.44 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.6 AU - 7.74 AU

Year: 11123 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,565,607 km

• M1: 70,012 km (0.055 R)
• M2: 217,216 km (0.071 R)
• M3: 1,445,863 km (0.075 R)
• M4: 1,758,373 km (0.071 R)
• M5: 2,114,716 km (0.032 R)
• M6: 2,300,516 km (0.075 R)
• M7: 2,620,506 km (0.086 R)
• M8: 4,468,488 km (0.03 R)
• M9: 5,745,306 km (0.087 R)
• M10: 6,108,380 km (0.117 R)
• M11: 7,542,425 km (0.092 R)
• M12: 9,089,866 km (0.082 R)
• M13: 10,040,710 km (0.079 R)
• M14: 10,946,226 km (0.048 R)
• M15: 11,278,333 km (0.119 R)
• M16: 11,446,930 km (0.117 R)
• M17: 11,789,210 km (0.112 R)
• M18: 12,979,410 km (0.07 R)
• M19: 16,372,739 km (0.031 R)
• M20: 17,473,181 km (0.108 R)
• M21: 19,738,691 km (0.112 R)
• M22: 21,068,915 km (0.119 R)
• M23: 21,239,307 km (0.065 R)
• M24: 23,265,012 km (0.1 R)
• M25: 23,630,031 km (0.105 R)
• M26: 24,371,438 km (0.118 R)
• M27: 27,290,092 km (0.103 R)
• M28: 30,979,774 km (0.101 R)
• M29: 32,092,034 km (0.106 R)
• M30: 39,977,637 km (0.052 R)
• M31: 42,099,234 km (0.119 R)
• M32: 46,421,117 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550

Radius: 4.6

Gravity: 25.99 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.48 AU - 7.74 AU

Year: 13555 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,565,607 km

• M1: 61,036 km (0.087 R)
• M2: 413,638 km (0.042 R)
• M3: 661,671 km (0.059 R)
• M4: 1,166,265 km (0.099 R)
• M5: 1,414,298 km (0.062 R)
• M6: 1,980,676 km (0.11 R)
• M7: 2,218,536 km (0.078 R)
• M8: 2,751,554 km (0.104 R)
• M9: 3,759,245 km (0.12 R)
• M10: 4,124,563 km (0.11 R)
• M11: 4,271,169 km (0.074 R)
• M12: 5,057,455 km (0.051 R)
• M13: 5,537,664 km (0.087 R)
• M14: 6,085,342 km (0.112 R)
• M15: 6,952,860 km (0.032 R)
• M16: 8,832,408 km (0.107 R)
• M17: 9,527,589 km (0.081 R)
• M18: 10,419,791 km (0.094 R)
• M19: 10,637,605 km (0.097 R)
• M20: 12,127,899 km (0.094 R)
• M21: 21,966,652 km (0.051 R)
• M22: 23,609,237 km (0.093 R)
• M23: 25,627,013 km (0.084 R)
• M24: 25,824,931 km (0.057 R)
• M25: 26,626,925 km (0.064 R)
• M26: 27,756,688 km (0.116 R)
• M27: 34,727,650 km (0.075 R)
• M28: 36,075,078 km (0.106 R)
• M29: 39,529,442 km (0.113 R)
• M30: 46,496,813 km (0.117 R)
• M31: 46,643,868 km (0.059 R)
• M32: 46,791,372 km (0.07 R)
• M33: 46,939,025 km (0.099 R)
• M34: 47,533,078 km (0.112 R)
• M35: 49,498,495 km (0.077 R)
• M36: 53,267,912 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 19,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit