🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.52 AU - 0.66 AU

Year: 288 Days

Day: 17.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,572,164 km

• M1: 158,574 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 8.5

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.61 AU - 0.89 AU

Year: 413 Days

Day: 7.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,572,164 km

• M1: 119,828 km (0.101 R)
• M2: 184,454 km (0.078 R)
• M3: 250,277 km (0.052 R)
• M4: 311,912 km (0.103 R)
• M5: 432,338 km (0.094 R)
• M6: 558,299 km (0.097 R)
• M7: 611,257 km (0.115 R)
• M8: 690,993 km (0.117 R)
• M9: 765,792 km (0.09 R)
• M10: 818,899 km (0.098 R)
• M11: 898,634 km (0.077 R)
• M12: 962,064 km (0.096 R)
• M13: 1,169,407 km (0.113 R)
• M14: 1,231,340 km (0.112 R)
• M15: 1,289,085 km (0.082 R)
• M16: 1,350,570 km (0.069 R)
• M17: 1,510,041 km (0.045 R)
• M18: 1,595,162 km (0.092 R)
• M19: 1,655,600 km (0.074 R)
• M20: 1,740,422 km (0.036 R)
• M21: 1,841,699 km (0.082 R)
• M22: 1,920,537 km (0.097 R)
• M23: 2,003,714 km (0.108 R)
• M24: 2,084,946 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 14.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.76 AU - 3.62 AU

Year: 3623 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 28,572,164 km

• M1: 181,462 km (0.08 R)
• M2: 273,764 km (0.104 R)
• M3: 388,057 km (0.059 R)
• M4: 528,978 km (0.112 R)
• M5: 1,049,878 km (0.116 R)
• M6: 1,320,949 km (0.039 R)
• M7: 1,509,742 km (0.089 R)
• M8: 1,615,358 km (0.044 R)
• M9: 1,882,839 km (0.097 R)
• M10: 2,425,729 km (0.076 R)
• M11: 2,733,901 km (0.104 R)
• M12: 3,368,645 km (0.06 R)
• M13: 3,468,875 km (0.088 R)
• M14: 4,220,006 km (0.077 R)
• M15: 4,350,007 km (0.085 R)
• M16: 4,748,536 km (0.101 R)
• M17: 5,159,032 km (0.094 R)
• M18: 5,462,566 km (0.118 R)
• M19: 5,557,262 km (0.06 R)
• M20: 6,210,406 km (0.051 R)
• M21: 6,684,781 km (0.054 R)
• M22: 6,913,666 km (0.058 R)
• M23: 7,668,836 km (0.049 R)
• M24: 8,015,903 km (0.091 R)
• M25: 8,123,763 km (0.064 R)
• M26: 8,313,602 km (0.064 R)
• M27: 8,725,595 km (0.069 R)
• M28: 9,088,071 km (0.099 R)
• M29: 10,030,388 km (0.099 R)
• M30: 10,410,217 km (0.082 R)
• M31: 10,587,041 km (0.074 R)
• M32: 11,063,660 km (0.071 R)
• M33: 11,365,249 km (0.095 R)
• M34: 12,535,703 km (0.109 R)
• M35: 13,230,884 km (0.089 R)
• M36: 13,615,351 km (0.068 R)
• M37: 13,873,707 km (0.071 R)
• M38: 14,329,830 km (0.078 R)
• M39: 14,757,830 km (0.026 R)
• M40: 15,223,379 km (0.107 R)
• M41: 15,660,055 km (0.102 R)
• M42: 15,863,059 km (0.037 R)
• M43: 16,374,235 km (0.111 R)
• M44: 16,545,824 km (0.047 R)
• M45: 16,960,210 km (0.082 R)
• M46: 17,064,330 km (0.065 R)
• M47: 18,508,697 km (0.097 R)
• M48: 18,723,370 km (0.048 R)
• M49: 19,626,642 km (0.107 R)
• M50: 20,470,225 km (0.091 R)
• M51: 20,803,529 km (0.087 R)
• M52: 21,138,778 km (0.12 R)
• M53: 21,288,226 km (0.11 R)
• M54: 21,438,123 km (0.028 R)
• M55: 21,701,266 km (0.115 R)
• M56: 22,459,128 km (0.051 R)
• M57: 24,078,675 km (0.08 R)
• M58: 24,313,095 km (0.107 R)
• M59: 24,941,855 km (0.083 R)
• M60: 25,258,404 km (0.066 R)
• M61: 25,456,770 km (0.049 R)
• M62: 26,175,588 km (0.088 R)
• M63: 26,336,256 km (0.063 R)
• M64: 26,779,664 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282

Radius: 13.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.1 AU - 5.96 AU

Year: 7173 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 28,572,164 km

• M1: 408,701 km (0.072 R)
• M2: 509,680 km (0.086 R)
• M3: 767,886 km (0.089 R)
• M4: 978,370 km (0.085 R)
• M5: 1,084,435 km (0.115 R)
• M6: 1,309,430 km (0.072 R)
• M7: 1,504,057 km (0.088 R)
• M8: 1,597,256 km (0.096 R)
• M9: 1,905,877 km (0.1 R)
• M10: 2,024,658 km (0.107 R)
• M11: 2,216,442 km (0.119 R)
• M12: 2,359,757 km (0.114 R)
• M13: 2,618,262 km (0.1 R)
• M14: 2,964,581 km (0.118 R)
• M15: 3,264,674 km (0.107 R)
• M16: 3,366,850 km (0.094 R)
• M17: 4,290,766 km (0.117 R)
• M18: 4,562,137 km (0.119 R)
• M19: 4,746,292 km (0.091 R)
• M20: 5,098,295 km (0.036 R)
• M21: 5,193,739 km (0.093 R)
• M22: 5,605,582 km (0.106 R)
• M23: 6,230,602 km (0.111 R)
• M24: 6,461,132 km (0.115 R)
• M25: 6,930,720 km (0.095 R)
• M26: 7,357,373 km (0.1 R)
• M27: 7,546,764 km (0.118 R)
• M28: 7,737,800 km (0.116 R)
• M29: 7,847,755 km (0.077 R)
• M30: 7,958,158 km (0.106 R)
• M31: 9,323,538 km (0.114 R)
• M32: 9,440,673 km (0.066 R)
• M33: 9,913,851 km (0.119 R)
• M34: 10,153,357 km (0.12 R)
• M35: 10,273,783 km (0.074 R)
• M36: 10,638,204 km (0.061 R)
• M37: 11,006,813 km (0.113 R)
• M38: 11,161,647 km (0.083 R)
• M39: 11,379,611 km (0.03 R)
• M40: 11,693,617 km (0.09 R)
• M41: 12,458,660 km (0.116 R)
• M42: 13,108,513 km (0.119 R)
• M43: 13,404,717 km (0.099 R)
• M44: 13,603,383 km (0.097 R)
• M45: 13,769,586 km (0.07 R)
• M46: 14,003,557 km (0.099 R)
• M47: 14,137,896 km (0.081 R)
• M48: 14,272,534 km (0.099 R)
• M49: 14,475,389 km (0.09 R)
• M50: 14,884,091 km (0.119 R)
• M51: 15,158,603 km (0.081 R)
• M52: 15,296,532 km (0.08 R)
• M53: 15,573,587 km (0.12 R)
• M54: 15,852,288 km (0.072 R)
• M55: 16,308,861 km (0.118 R)
• M56: 16,485,536 km (0.05 R)
• M57: 16,627,355 km (0.098 R)
• M58: 16,805,226 km (0.117 R)
• M59: 17,740,512 km (0.084 R)
• M60: 18,618,801 km (0.086 R)
• M61: 18,766,454 km (0.048 R)
• M62: 19,774,146 km (0.057 R)
• M63: 20,722,746 km (0.047 R)
• M64: 21,183,358 km (0.092 R)
• M65: 21,376,339 km (0.098 R)
• M66: 22,506,850 km (0.114 R)
• M67: 23,099,258 km (0.098 R)
• M68: 23,337,717 km (0.11 R)
• M69: 23,616,866 km (0.12 R)
• M70: 23,937,305 km (0.069 R)
• M71: 24,622,912 km (0.082 R)
• M72: 25,110,900 km (0.117 R)
• M73: 25,396,931 km (0.053 R)
• M74: 26,137,590 km (0.077 R)
• M75: 27,052,531 km (0.084 R)
• M76: 27,682,338 km (0.111 R)
• M77: 28,359,418 km (0.119 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: 543 - 13,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit