🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.5 AU - 0.56 AU

Year: 249 Days

Day: 21.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.54 AU - 0.68 AU

Year: 308 Days

Day: 40.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 5,226,121 km

• M1: 315,652 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.51 AU - 0.77 AU

Year: 331 Days

Day: 31 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 12.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.95 AU - 1.17 AU

Year: 705 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 5,226,121 km

• M1: 155,881 km (0.069 R)
• M2: 255,214 km (0.095 R)
• M3: 347,815 km (0.071 R)
• M4: 451,038 km (0.105 R)
• M5: 561,590 km (0.105 R)
• M6: 642,224 km (0.032 R)
• M7: 725,400 km (0.115 R)
• M8: 810,222 km (0.102 R)
• M9: 888,611 km (0.112 R)
• M10: 1,040,154 km (0.064 R)
• M11: 1,137,841 km (0.107 R)
• M12: 1,224,309 km (0.115 R)
• M13: 1,340,098 km (0.107 R)
• M14: 1,435,092 km (0.11 R)
• M15: 1,516,474 km (0.097 R)
• M16: 1,684,472 km (0.111 R)
• M17: 1,767,349 km (0.119 R)
• M18: 1,903,184 km (0.08 R)
• M19: 1,986,361 km (0.046 R)
• M20: 2,078,064 km (0.076 R)
• M21: 2,243,669 km (0.086 R)
• M22: 2,391,322 km (0.087 R)
• M23: 2,557,675 km (0.057 R)
• M24: 2,696,801 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 11.2

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.26 AU - 1.38 AU

Year: 979 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 5,226,121 km

• M1: 158,424 km (0.082 R)
• M2: 273,315 km (0.083 R)
• M3: 365,617 km (0.117 R)
• M4: 467,942 km (0.077 R)
• M5: 549,772 km (0.083 R)
• M6: 626,366 km (0.094 R)
• M7: 707,149 km (0.102 R)
• M8: 926,160 km (0.043 R)
• M9: 1,139,188 km (0.113 R)
• M10: 1,226,104 km (0.109 R)
• M11: 1,300,454 km (0.108 R)
• M12: 1,645,876 km (0.103 R)
• M13: 1,745,209 km (0.093 R)
• M14: 1,872,367 km (0.061 R)
• M15: 2,144,934 km (0.09 R)
• M16: 2,468,365 km (0.108 R)
• M17: 2,544,510 km (0.111 R)
• M18: 2,621,553 km (0.109 R)
• M19: 2,738,389 km (0.101 R)
• M20: 2,857,170 km (0.098 R)
• M21: 2,937,354 km (0.093 R)
• M22: 3,008,114 km (0.052 R)
• M23: 3,110,140 km (0.055 R)
• M24: 3,203,040 km (0.093 R)
• M25: 3,412,776 km (0.072 R)
• M26: 3,670,683 km (0.107 R)
• M27: 3,746,978 km (0.1 R)
• M28: 3,934,873 km (0.027 R)
• M29: 4,171,237 km (0.068 R)
• M30: 4,274,011 km (0.118 R)
• M31: 4,412,240 km (0.119 R)
• M32: 4,824,382 km (0.105 R)
• M33: 4,896,189 km (0.082 R)
• M34: 5,065,384 km (0.072 R)
• M35: 5,322,842 km (0.084 R)
• M36: 5,496,824 km (0.12 R)
• M37: 5,799,461 km (0.093 R)
• M38: 6,120,647 km (0.085 R)
• M39: 6,329,336 km (0.05 R)
• M40: 6,487,461 km (0.117 R)
• M41: 6,593,526 km (0.101 R)
• M42: 6,740,282 km (0.094 R)
• M43: 6,834,379 km (0.057 R)
• M44: 7,160,053 km (0.11 R)
• M45: 7,352,287 km (0.033 R)
• M46: 7,574,290 km (0.115 R)
• M47: 7,644,152 km (0.045 R)
• M48: 7,840,724 km (0.104 R)
• M49: 8,110,299 km (0.062 R)
• M50: 8,253,315 km (0.118 R)
• M51: 8,907,805 km (0.07 R)
• M52: 9,204,009 km (0.078 R)
• M53: 9,278,509 km (0.112 R)
• M54: 9,413,296 km (0.107 R)
• M55: 9,533,573 km (0.06 R)
• M56: 9,669,558 km (0.091 R)
• M57: 9,851,768 km (0.093 R)
• M58: 9,943,471 km (0.082 R)
• M59: 10,081,251 km (0.099 R)
• M60: 10,204,370 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 8.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.3 AU - 1.52 AU

Year: 1081 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 5,226,121 km

• M1: 105,466 km (0.072 R)
• M2: 189,092 km (0.102 R)
• M3: 293,062 km (0.107 R)
• M4: 346,169 km (0.09 R)
• M5: 407,056 km (0.109 R)
• M6: 483,500 km (0.063 R)
• M7: 565,630 km (0.119 R)
• M8: 627,413 km (0.05 R)
• M9: 832,213 km (0.051 R)
• M10: 1,105,079 km (0.115 R)
• M11: 1,320,949 km (0.095 R)
• M12: 1,503,309 km (0.104 R)
• M13: 1,615,657 km (0.118 R)
• M14: 1,755,381 km (0.112 R)
• M15: 1,950,158 km (0.062 R)
• M16: 2,105,889 km (0.091 R)
• M17: 2,185,176 km (0.11 R)
• M18: 2,457,145 km (0.116 R)
• M19: 2,512,945 km (0.073 R)
• M20: 2,604,349 km (0.086 R)
• M21: 2,863,453 km (0.103 R)
• M22: 3,093,235 km (0.095 R)
• M23: 3,375,526 km (0.055 R)
• M24: 3,578,830 km (0.102 R)
• M25: 3,642,259 km (0.083 R)
• M26: 3,730,073 km (0.087 R)
• M27: 3,810,407 km (0.12 R)
• M28: 4,179,465 km (0.115 R)
• M29: 4,347,165 km (0.098 R)
• M30: 4,793,714 km (0.058 R)
• M31: 4,907,708 km (0.106 R)
• M32: 4,978,318 km (0.074 R)
• M33: 5,075,856 km (0.101 R)
• M34: 5,147,214 km (0.09 R)
• M35: 5,804,697 km (0.099 R)
• M36: 5,879,346 km (0.077 R)
• M37: 6,257,679 km (0.111 R)
• M38: 6,334,273 km (0.106 R)
• M39: 6,488,359 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.6

Radius: 11.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.33 AU - 2.01 AU

Year: 1393 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 5,226,121 km

• M1: 150,047 km (0.03 R)
• M2: 241,002 km (0.109 R)
• M3: 321,037 km (0.031 R)
• M4: 395,986 km (0.062 R)
• M5: 479,461 km (0.04 R)
• M6: 662,419 km (0.086 R)
• M7: 957,127 km (0.118 R)
• M8: 1,085,333 km (0.08 R)
• M9: 1,244,056 km (0.107 R)
• M10: 1,453,643 km (0.05 R)
• M11: 1,532,032 km (0.082 R)
• M12: 1,620,893 km (0.107 R)
• M13: 1,832,275 km (0.039 R)
• M14: 2,004,163 km (0.105 R)
• M15: 2,102,000 km (0.117 R)
• M16: 2,272,092 km (0.077 R)
• M17: 2,405,384 km (0.053 R)
• M18: 2,690,667 km (0.057 R)
• M19: 2,788,205 km (0.064 R)
• M20: 2,931,370 km (0.088 R)
• M21: 3,020,680 km (0.101 R)
• M22: 3,167,735 km (0.037 R)
• M23: 3,340,520 km (0.113 R)
• M24: 3,422,201 km (0.103 R)
• M25: 3,528,266 km (0.11 R)
• M26: 3,683,548 km (0.109 R)
• M27: 3,840,925 km (0.106 R)
• M28: 4,062,779 km (0.098 R)
• M29: 4,175,277 km (0.115 R)
• M30: 4,519,052 km (0.051 R)
• M31: 4,714,128 km (0.09 R)
• M32: 4,792,817 km (0.078 R)
• M33: 4,911,896 km (0.065 R)
• M34: 5,112,507 km (0.089 R)
• M35: 5,356,950 km (0.068 R)
• M36: 5,494,281 km (0.085 R)
• M37: 5,899,542 km (0.106 R)
• M38: 6,372,570 km (0.086 R)
• M39: 6,474,446 km (0.095 R)
• M40: 6,872,676 km (0.106 R)
• M41: 7,127,591 km (0.117 R)
• M42: 7,385,647 km (0.12 R)
• M43: 7,770,712 km (0.049 R)
• M44: 8,020,540 km (0.112 R)
• M45: 8,099,229 km (0.066 R)
• M46: 8,448,390 km (0.07 R)
• M47: 9,194,285 km (0.106 R)
• M48: 9,408,958 km (0.116 R)
• M49: 9,491,985 km (0.12 R)
• M50: 9,961,423 km (0.118 R)
• M51: 10,198,984 km (0.115 R)
• M52: 10,541,564 km (0.083 R)
• M53: 10,696,996 km (0.095 R)
• M54: 10,818,320 km (0.102 R)
• M55: 11,097,619 km (0.075 R)
• M56: 11,344,007 km (0.039 R)
• M57: 11,485,526 km (0.119 R)
• M58: 11,949,728 km (0.104 R)
• M59: 12,147,945 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20

Radius: 9.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.99 AU - 2.41 AU

Year: 2107 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 5,226,121 km

• M1: 141,968 km (0.115 R)
• M2: 225,444 km (0.105 R)
• M3: 338,241 km (0.102 R)
• M4: 414,237 km (0.11 R)
• M5: 789,727 km (0.097 R)
• M6: 1,490,444 km (0.037 R)
• M7: 1,755,232 km (0.065 R)
• M8: 1,818,512 km (0.108 R)
• M9: 2,146,580 km (0.102 R)
• M10: 2,323,554 km (0.081 R)
• M11: 2,416,754 km (0.108 R)
• M12: 2,505,316 km (0.065 R)
• M13: 2,926,882 km (0.075 R)
• M14: 3,091,590 km (0.108 R)
• M15: 3,187,931 km (0.115 R)
• M16: 3,397,068 km (0.064 R)
• M17: 3,476,655 km (0.095 R)
• M18: 3,590,498 km (0.039 R)
• M19: 3,739,648 km (0.03 R)
• M20: 3,988,279 km (0.08 R)
• M21: 4,640,526 km (0.037 R)
• M22: 4,803,288 km (0.115 R)
• M23: 5,119,239 km (0.063 R)
• M24: 5,218,423 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 15,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit