🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.56 AU - 0.58 AU

Year: 278 Days

Day: 22.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 14.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.73 AU - 0.81 AU

Year: 436 Days

Day: 5.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 167.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,410,607 km

• M1: 185,053 km (0.106 R)
• M2: 277,504 km (0.086 R)
• M3: 374,593 km (0.072 R)
• M4: 468,840 km (0.081 R)
• M5: 612,603 km (0.105 R)
• M6: 817,852 km (0.08 R)
• M7: 985,850 km (0.086 R)
• M8: 1,097,300 km (0.053 R)
• M9: 1,189,752 km (0.063 R)
• M10: 1,330,075 km (0.066 R)
• M11: 1,553,723 km (0.083 R)
• M12: 1,668,166 km (0.103 R)
• M13: 1,808,489 km (0.115 R)
• M14: 1,943,725 km (0.115 R)
• M15: 2,096,913 km (0.049 R)
• M16: 2,254,440 km (0.107 R)
• M17: 2,462,082 km (0.11 R)
• M18: 2,628,734 km (0.117 R)
• M19: 2,734,799 km (0.073 R)
• M20: 2,913,269 km (0.103 R)
• M21: 3,123,454 km (0.106 R)
• M22: 3,247,620 km (0.043 R)
• M23: 3,367,747 km (0.104 R)
• M24: 3,524,227 km (0.119 R)
• M25: 3,856,932 km (0.081 R)
• M26: 3,960,005 km (0.087 R)
• M27: 4,057,842 km (0.111 R)
• M28: 4,181,410 km (0.109 R)
• M29: 4,293,608 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 15

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.84 AU - 2.36 AU

Year: 1965 Days

Day: 7.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 43,410,607 km

• M1: 221,854 km (0.043 R)
• M2: 353,799 km (0.078 R)
• M3: 539,749 km (0.103 R)
• M4: 652,396 km (0.078 R)
• M5: 806,931 km (0.025 R)
• M6: 1,019,958 km (0.11 R)
• M7: 1,204,712 km (0.034 R)
• M8: 1,361,191 km (0.113 R)
• M9: 1,663,229 km (0.065 R)
• M10: 1,861,895 km (0.061 R)
• M11: 1,987,408 km (0.044 R)
• M12: 2,163,335 km (0.088 R)
• M13: 2,332,380 km (0.067 R)
• M14: 2,683,935 km (0.103 R)
• M15: 2,813,786 km (0.105 R)
• M16: 2,919,253 km (0.116 R)
• M17: 3,026,066 km (0.117 R)
• M18: 3,147,838 km (0.1 R)
• M19: 3,354,583 km (0.093 R)
• M20: 3,466,631 km (0.083 R)
• M21: 3,825,367 km (0.081 R)
• M22: 4,271,767 km (0.092 R)
• M23: 4,532,367 km (0.118 R)
• M24: 5,280,057 km (0.032 R)
• M25: 5,378,343 km (0.112 R)
• M26: 5,493,832 km (0.044 R)
• M27: 5,777,619 km (0.058 R)
• M28: 6,152,212 km (0.066 R)
• M29: 6,746,714 km (0.103 R)
• M30: 6,942,987 km (0.087 R)
• M31: 7,323,265 km (0.095 R)
• M32: 7,451,470 km (0.09 R)
• M33: 7,562,023 km (0.072 R)
• M34: 7,822,173 km (0.058 R)
• M35: 8,217,860 km (0.032 R)
• M36: 8,370,300 km (0.107 R)
• M37: 8,814,007 km (0.072 R)
• M38: 8,950,590 km (0.101 R)
• M39: 9,384,424 km (0.083 R)
• M40: 9,704,414 km (0.064 R)
• M41: 10,170,561 km (0.085 R)
• M42: 10,416,799 km (0.09 R)
• M43: 10,748,009 km (0.095 R)
• M44: 10,998,884 km (0.077 R)
• M45: 11,399,956 km (0.095 R)
• M46: 11,827,357 km (0.101 R)
• M47: 12,238,303 km (0.068 R)
• M48: 12,985,544 km (0.11 R)
• M49: 13,544,292 km (0.085 R)
• M50: 13,702,267 km (0.079 R)
• M51: 14,271,188 km (0.081 R)
• M52: 14,454,894 km (0.118 R)
• M53: 14,570,085 km (0.088 R)
• M54: 14,731,950 km (0.08 R)
• M55: 14,940,938 km (0.097 R)
• M56: 15,502,977 km (0.077 R)
• M57: 15,762,828 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.8

Radius: 4.8

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.35 AU - 6.91 AU

Year: 11023 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 43,410,607 km

• M1: 74,949 km (0.05 R)
• M2: 131,497 km (0.079 R)
• M3: 182,360 km (0.105 R)
• M4: 432,787 km (0.103 R)
• M5: 559,047 km (0.103 R)
• M6: 618,886 km (0.096 R)
• M7: 728,990 km (0.104 R)
• M8: 1,004,101 km (0.063 R)
• M9: 1,172,099 km (0.072 R)
• M10: 1,210,696 km (0.076 R)
• M11: 1,451,249 km (0.064 R)
• M12: 1,684,622 km (0.103 R)
• M13: 1,772,436 km (0.111 R)
• M14: 1,816,866 km (0.04 R)
• M15: 2,068,191 km (0.089 R)
• M16: 2,138,651 km (0.086 R)
• M17: 2,379,354 km (0.067 R)
• M18: 2,730,760 km (0.087 R)
• M19: 3,044,765 km (0.105 R)
• M20: 3,152,027 km (0.071 R)
• M21: 3,706,886 km (0.05 R)
• M22: 4,142,515 km (0.058 R)
• M23: 4,411,641 km (0.104 R)
• M24: 4,624,818 km (0.102 R)
• M25: 4,717,270 km (0.053 R)
• M26: 6,006,953 km (0.059 R)
• M27: 6,209,359 km (0.106 R)
• M28: 6,655,460 km (0.112 R)
• M29: 6,794,735 km (0.102 R)
• M30: 7,076,428 km (0.097 R)
• M31: 7,469,870 km (0.087 R)
• M32: 7,542,126 km (0.074 R)
• M33: 7,651,033 km (0.066 R)
• M34: 7,833,543 km (0.075 R)
• M35: 8,806,228 km (0.097 R)
• M36: 9,036,011 km (0.102 R)
• M37: 9,267,887 km (0.118 R)
• M38: 9,345,529 km (0.116 R)
• M39: 9,579,948 km (0.067 R)
• M40: 9,776,819 km (0.091 R)
• M41: 9,855,957 km (0.07 R)
• M42: 10,014,829 km (0.052 R)
• M43: 10,618,008 km (0.068 R)
• M44: 11,233,005 km (0.07 R)
• M45: 12,198,210 km (0.096 R)
• M46: 12,240,696 km (0.089 R)
• M47: 12,325,967 km (0.119 R)
• M48: 12,669,144 km (0.104 R)
• M49: 12,841,780 km (0.108 R)
• M50: 13,146,062 km (0.117 R)
• M51: 13,233,278 km (0.091 R)
• M52: 14,566,345 km (0.069 R)
• M53: 15,432,516 km (0.116 R)
• M54: 16,081,472 km (0.066 R)
• M55: 16,409,241 km (0.098 R)
• M56: 16,739,104 km (0.068 R)
• M57: 17,549,625 km (0.077 R)
• M58: 17,597,646 km (0.093 R)
• M59: 18,421,631 km (0.081 R)
• M60: 20,106,702 km (0.101 R)
• M61: 20,764,035 km (0.118 R)
• M62: 20,967,638 km (0.064 R)
• M63: 21,531,023 km (0.089 R)
• M64: 21,892,152 km (0.106 R)
• M65: 22,307,436 km (0.065 R)
• M66: 22,934,999 km (0.106 R)
• M67: 23,251,099 km (0.033 R)
• M68: 23,409,673 km (0.101 R)
• M69: 26,434,243 km (0.111 R)
• M70: 27,098,158 km (0.03 R)
• M71: 27,543,810 km (0.057 R)
• M72: 27,599,760 km (0.032 R)
• M73: 28,217,001 km (0.111 R)
• M74: 29,065,819 km (0.101 R)
• M75: 29,636,535 km (0.034 R)
• M76: 29,693,681 km (0.105 R)
• M77: 30,038,056 km (0.103 R)
• M78: 30,904,826 km (0.095 R)
• M79: 31,896,959 km (0.064 R)
• M80: 31,955,601 km (0.065 R)
• M81: 33,255,756 km (0.07 R)
• M82: 33,494,066 km (0.086 R)
• M83: 34,754,129 km (0.096 R)
• M84: 34,995,879 km (0.112 R)
• M85: 35,116,903 km (0.067 R)
• M86: 35,602,648 km (0.055 R)
• M87: 36,090,786 km (0.114 R)
• M88: 37,878,181 km (0.111 R)
• M89: 39,002,110 km (0.092 R)
• M90: 40,644,694 km (0.091 R)
• M91: 43,085,832 km (0.117 R)
• M92: 43,410,609 km (0.065 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 12,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit