🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.66 AU - 0.68 AU

Year: 354 Days

Day: 16.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.5

Radius: 14.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.67 AU - 0.89 AU

Year: 445 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 15,999,575 km

• M1: 239,357 km (0.067 R)
• M2: 343,926 km (0.044 R)
• M3: 466,446 km (0.098 R)
• M4: 580,141 km (0.077 R)
• M5: 697,874 km (0.111 R)
• M6: 842,984 km (0.094 R)
• M7: 985,401 km (0.037 R)
• M8: 1,097,001 km (0.059 R)
• M9: 1,202,916 km (0.088 R)
• M10: 1,328,728 km (0.095 R)
• M11: 1,537,717 km (0.081 R)
• M12: 1,640,640 km (0.094 R)
• M13: 1,793,828 km (0.046 R)
• M14: 1,989,053 km (0.119 R)
• M15: 2,089,583 km (0.114 R)
• M16: 2,237,087 km (0.111 R)
• M17: 2,374,866 km (0.106 R)
• M18: 2,468,514 km (0.052 R)
• M19: 2,680,195 km (0.062 R)
• M20: 2,969,667 km (0.087 R)
• M21: 3,063,615 km (0.091 R)
• M22: 3,195,411 km (0.089 R)
• M23: 3,299,381 km (0.095 R)
• M24: 3,411,879 km (0.088 R)
• M25: 3,525,872 km (0.043 R)
• M26: 3,679,808 km (0.117 R)
• M27: 4,002,491 km (0.114 R)
• M28: 4,122,768 km (0.114 R)
• M29: 4,293,459 km (0.077 R)
• M30: 4,508,132 km (0.061 R)
• M31: 4,785,636 km (0.106 R)
• M32: 4,973,830 km (0.097 R)
• M33: 5,112,358 km (0.065 R)
• M34: 5,225,753 km (0.112 R)
• M35: 5,322,543 km (0.091 R)
• M36: 5,464,212 km (0.115 R)
• M37: 5,679,184 km (0.094 R)
• M38: 6,043,754 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 10.4

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1 AU - 1.44 AU

Year: 870 Days

Day: 9.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 15,999,575 km

• M1: 140,173 km (0.098 R)
• M2: 219,161 km (0.112 R)
• M3: 292,464 km (0.094 R)
• M4: 449,242 km (0.104 R)
• M5: 627,264 km (0.063 R)
• M6: 697,724 km (0.094 R)
• M7: 957,875 km (0.093 R)
• M8: 1,207,554 km (0.087 R)
• M9: 1,276,668 km (0.115 R)
• M10: 1,485,507 km (0.101 R)
• M11: 1,605,634 km (0.059 R)
• M12: 1,936,395 km (0.06 R)
• M13: 2,076,568 km (0.115 R)
• M14: 2,280,171 km (0.098 R)
• M15: 2,358,410 km (0.079 R)
• M16: 2,446,224 km (0.108 R)
• M17: 2,544,211 km (0.105 R)
• M18: 2,634,419 km (0.081 R)
• M19: 2,734,948 km (0.048 R)
• M20: 3,237,148 km (0.064 R)
• M21: 3,345,008 km (0.116 R)
• M22: 3,444,192 km (0.096 R)
• M23: 3,716,909 km (0.087 R)
• M24: 3,860,971 km (0.062 R)
• M25: 3,975,563 km (0.091 R)
• M26: 4,080,731 km (0.037 R)
• M27: 4,336,992 km (0.06 R)
• M28: 4,412,838 km (0.083 R)
• M29: 4,576,648 km (0.051 R)
• M30: 4,764,842 km (0.026 R)
• M31: 4,966,799 km (0.109 R)
• M32: 5,160,229 km (0.044 R)
• M33: 5,263,601 km (0.087 R)
• M34: 5,332,865 km (0.065 R)
• M35: 5,472,589 km (0.113 R)
• M36: 5,625,179 km (0.102 R)
• M37: 5,755,329 km (0.115 R)
• M38: 6,055,123 km (0.077 R)
• M39: 6,595,172 km (0.115 R)
• M40: 6,770,201 km (0.111 R)
• M41: 7,073,885 km (0.093 R)
• M42: 7,918,963 km (0.091 R)
• M43: 8,051,806 km (0.077 R)
• M44: 8,118,527 km (0.073 R)
• M45: 8,225,639 km (0.088 R)
• M46: 8,319,736 km (0.106 R)
• M47: 8,400,668 km (0.105 R)
• M48: 8,481,900 km (0.05 R)
• M49: 8,672,488 km (0.072 R)
• M50: 8,836,896 km (0.111 R)
• M51: 8,947,149 km (0.071 R)
• M52: 9,030,176 km (0.051 R)
• M53: 9,155,090 km (0.047 R)
• M54: 9,420,776 km (0.106 R)

Asteroid Belt

Center: 1.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 8.7

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.77 AU - 2.21 AU

Year: 1813 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 15,999,575 km

• M1: 121,773 km (0.096 R)
• M2: 186,698 km (0.066 R)
• M3: 296,653 km (0.111 R)
• M4: 390,002 km (0.097 R)
• M5: 447,746 km (0.077 R)
• M6: 695,929 km (0.028 R)
• M7: 768,783 km (0.099 R)
• M8: 827,426 km (0.098 R)
• M9: 1,040,603 km (0.062 R)
• M10: 1,251,685 km (0.112 R)
• M11: 1,413,999 km (0.048 R)
• M12: 1,529,489 km (0.045 R)
• M13: 2,011,792 km (0.071 R)
• M14: 2,142,541 km (0.086 R)
• M15: 2,202,829 km (0.068 R)
• M16: 2,350,033 km (0.062 R)
• M17: 2,475,246 km (0.08 R)
• M18: 2,732,555 km (0.113 R)
• M19: 2,851,036 km (0.12 R)
• M20: 3,011,854 km (0.108 R)
• M21: 3,398,714 km (0.065 R)
• M22: 3,483,686 km (0.104 R)
• M23: 3,626,851 km (0.067 R)
• M24: 3,801,431 km (0.089 R)
• M25: 4,083,274 km (0.114 R)
• M26: 4,651,746 km (0.066 R)
• M27: 4,825,579 km (0.077 R)
• M28: 4,937,328 km (0.101 R)
• M29: 5,033,819 km (0.114 R)
• M30: 5,228,595 km (0.076 R)
• M31: 5,442,520 km (0.115 R)
• M32: 5,508,942 km (0.052 R)
• M33: 5,609,023 km (0.118 R)
• M34: 6,015,630 km (0.089 R)
• M35: 6,101,499 km (0.11 R)
• M36: 6,170,463 km (0.091 R)
• M37: 6,379,152 km (0.1 R)
• M38: 7,791,207 km (0.102 R)
• M39: 7,885,005 km (0.106 R)
• M40: 8,035,650 km (0.101 R)
• M41: 8,359,230 km (0.101 R)
• M42: 8,999,509 km (0.093 R)
• M43: 9,117,691 km (0.057 R)
• M44: 9,216,426 km (0.081 R)
• M45: 9,776,520 km (0.074 R)
• M46: 9,837,107 km (0.067 R)
• M47: 9,918,189 km (0.117 R)
• M48: 10,040,261 km (0.101 R)
• M49: 10,162,782 km (0.077 R)
• M50: 10,244,761 km (0.096 R)
• M51: 10,450,608 km (0.07 R)
• M52: 10,554,130 km (0.057 R)
• M53: 10,720,333 km (0.043 R)
• M54: 10,971,358 km (0.095 R)
• M55: 11,372,729 km (0.039 R)
• M56: 11,778,888 km (0.073 R)
• M57: 12,016,299 km (0.067 R)
• M58: 12,103,066 km (0.088 R)
• M59: 12,473,919 km (0.1 R)
• M60: 12,627,706 km (0.09 R)
• M61: 12,848,512 km (0.112 R)
• M62: 13,338,745 km (0.108 R)
• M63: 13,473,532 km (0.096 R)
• M64: 13,994,282 km (0.038 R)
• M65: 14,498,726 km (0.116 R)
• M66: 14,776,230 km (0.097 R)
• M67: 14,845,943 km (0.104 R)
• M68: 15,360,410 km (0.08 R)
• M69: 15,975,706 km (0.113 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit