🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.55 AU - 0.57 AU

Year: 271 Days

Day: 23.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,062,342 km

• M1: 280,346 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 15.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.1

Radius: 9.8

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.69 AU - 0.87 AU

Year: 445 Days

Day: 12.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 103.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 12,062,342 km

• M1: 125,064 km (0.077 R)
• M2: 224,995 km (0.067 R)
• M3: 297,999 km (0.088 R)
• M4: 379,829 km (0.045 R)
• M5: 491,728 km (0.103 R)
• M6: 612,454 km (0.075 R)
• M7: 793,018 km (0.088 R)
• M8: 855,849 km (0.089 R)
• M9: 1,073,664 km (0.072 R)
• M10: 1,191,846 km (0.054 R)
• M11: 1,299,557 km (0.099 R)
• M12: 1,390,213 km (0.108 R)
• M13: 1,626,578 km (0.069 R)
• M14: 1,735,934 km (0.116 R)
• M15: 1,802,654 km (0.091 R)
• M16: 1,864,588 km (0.104 R)
• M17: 1,927,419 km (0.042 R)
• M18: 2,049,192 km (0.114 R)
• M19: 2,149,721 km (0.107 R)
• M20: 2,215,694 km (0.083 R)
• M21: 2,300,666 km (0.047 R)
• M22: 2,423,934 km (0.102 R)
• M23: 2,581,311 km (0.092 R)
• M24: 2,683,786 km (0.095 R)
• M25: 2,754,994 km (0.113 R)
• M26: 2,925,985 km (0.073 R)
• M27: 3,039,679 km (0.097 R)
• M28: 3,168,632 km (0.075 R)
• M29: 3,320,026 km (0.101 R)
• M30: 3,523,479 km (0.109 R)
• M31: 3,601,718 km (0.096 R)
• M32: 3,666,195 km (0.109 R)
• M33: 3,818,186 km (0.043 R)
• M34: 3,957,462 km (0.117 R)
• M35: 4,031,513 km (0.115 R)
• M36: 4,105,863 km (0.101 R)
• M37: 4,309,316 km (0.043 R)
• M38: 4,400,721 km (0.116 R)
• M39: 4,601,182 km (0.05 R)
• M40: 4,852,057 km (0.088 R)
• M41: 5,027,087 km (0.071 R)
• M42: 5,091,264 km (0.103 R)
• M43: 5,261,208 km (0.052 R)
• M44: 5,531,830 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 8.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.66 AU - 0.92 AU

Year: 453 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 12,062,342 km

• M1: 114,592 km (0.118 R)
• M2: 187,745 km (0.108 R)
• M3: 271,371 km (0.111 R)
• M4: 395,238 km (0.07 R)
• M5: 516,711 km (0.084 R)
• M6: 591,809 km (0.106 R)
• M7: 645,066 km (0.047 R)
• M8: 788,082 km (0.088 R)
• M9: 844,031 km (0.102 R)
• M10: 994,078 km (0.075 R)
• M11: 1,062,743 km (0.109 R)
• M12: 1,209,200 km (0.076 R)
• M13: 1,278,763 km (0.109 R)
• M14: 1,341,295 km (0.108 R)
• M15: 1,400,685 km (0.116 R)
• M16: 1,584,241 km (0.065 R)
• M17: 1,711,100 km (0.098 R)
• M18: 1,771,089 km (0.073 R)
• M19: 1,936,395 km (0.086 R)
• M20: 2,023,311 km (0.045 R)
• M21: 2,146,430 km (0.102 R)
• M22: 2,231,402 km (0.111 R)
• M23: 2,312,633 km (0.102 R)
• M24: 2,399,999 km (0.104 R)
• M25: 2,546,156 km (0.064 R)
• M26: 2,604,499 km (0.1 R)
• M27: 2,663,291 km (0.082 R)
• M28: 2,722,382 km (0.105 R)
• M29: 2,776,686 km (0.062 R)
• M30: 2,842,210 km (0.041 R)
• M31: 2,985,973 km (0.069 R)
• M32: 3,058,678 km (0.054 R)
• M33: 3,137,815 km (0.109 R)
• M34: 3,251,959 km (0.089 R)
• M35: 3,350,095 km (0.07 R)
• M36: 3,455,112 km (0.085 R)
• M37: 3,537,541 km (0.088 R)
• M38: 3,608,749 km (0.101 R)
• M39: 3,740,545 km (0.053 R)
• M40: 3,819,234 km (0.097 R)
• M41: 3,916,771 km (0.071 R)
• M42: 3,990,374 km (0.107 R)
• M43: 4,083,274 km (0.049 R)
• M44: 4,183,056 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.3

Radius: 13.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.01 AU - 1.5 AU

Year: 902 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 12,062,342 km

• M1: 169,195 km (0.09 R)
• M2: 253,269 km (0.1 R)
• M3: 338,390 km (0.109 R)
• M4: 428,299 km (0.077 R)
• M5: 538,852 km (0.097 R)
• M6: 642,074 km (0.12 R)
• M7: 732,431 km (0.111 R)
• M8: 849,866 km (0.077 R)
• M9: 939,774 km (0.118 R)
• M10: 1,161,179 km (0.108 R)
• M11: 1,262,456 km (0.033 R)
• M12: 1,420,432 km (0.104 R)
• M13: 1,592,469 km (0.056 R)
• M14: 1,852,620 km (0.085 R)
• M15: 2,126,983 km (0.08 R)
• M16: 2,382,047 km (0.079 R)
• M17: 2,480,482 km (0.115 R)
• M18: 2,605,247 km (0.056 R)
• M19: 2,723,878 km (0.119 R)
• M20: 2,931,370 km (0.092 R)
• M21: 3,045,962 km (0.091 R)
• M22: 3,180,152 km (0.091 R)
• M23: 3,500,889 km (0.079 R)
• M24: 3,822,824 km (0.097 R)
• M25: 3,977,658 km (0.062 R)
• M26: 4,243,792 km (0.114 R)
• M27: 4,495,416 km (0.114 R)
• M28: 4,814,359 km (0.105 R)
• M29: 5,387,767 km (0.086 R)
• M30: 5,496,375 km (0.12 R)
• M31: 5,594,811 km (0.075 R)
• M32: 5,960,578 km (0.105 R)
• M33: 6,061,706 km (0.074 R)
• M34: 6,220,130 km (0.045 R)
• M35: 6,322,754 km (0.055 R)
• M36: 6,437,496 km (0.051 R)
• M37: 6,576,023 km (0.052 R)
• M38: 6,750,604 km (0.101 R)
• M39: 6,844,402 km (0.054 R)
• M40: 7,128,339 km (0.078 R)
• M41: 7,259,685 km (0.081 R)
• M42: 7,391,930 km (0.093 R)
• M43: 7,500,837 km (0.088 R)
• M44: 7,634,428 km (0.116 R)
• M45: 7,744,532 km (0.081 R)
• M46: 7,879,619 km (0.064 R)
• M47: 8,065,270 km (0.099 R)
• M48: 8,214,868 km (0.118 R)
• M49: 8,516,756 km (0.097 R)

Asteroid Belt

Center: 1.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 8.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.09 AU - 2.29 AU

Year: 2093 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 12,062,342 km

• M1: 112,647 km (0.105 R)
• M2: 169,195 km (0.09 R)
• M3: 234,420 km (0.06 R)
• M4: 336,595 km (0.087 R)
• M5: 413,040 km (0.113 R)
• M6: 484,697 km (0.108 R)
• M7: 561,142 km (0.092 R)
• M8: 616,792 km (0.093 R)
• M9: 680,970 km (0.062 R)
• M10: 754,422 km (0.112 R)
• M11: 844,779 km (0.085 R)
• M12: 895,194 km (0.094 R)
• M13: 1,235,379 km (0.089 R)
• M14: 1,293,274 km (0.1 R)
• M15: 1,446,013 km (0.076 R)
• M16: 1,542,504 km (0.089 R)
• M17: 1,686,566 km (0.083 R)
• M18: 1,797,568 km (0.085 R)
• M19: 1,901,539 km (0.089 R)
• M20: 1,959,134 km (0.068 R)
• M21: 2,115,613 km (0.103 R)
• M22: 2,357,962 km (0.103 R)
• M23: 2,493,049 km (0.09 R)
• M24: 2,684,384 km (0.113 R)
• M25: 2,781,922 km (0.117 R)
• M26: 3,195,111 km (0.06 R)
• M27: 3,275,595 km (0.049 R)
• M28: 3,450,026 km (0.062 R)
• M29: 3,520,786 km (0.114 R)
• M30: 3,603,813 km (0.097 R)
• M31: 3,979,603 km (0.113 R)
• M32: 4,418,972 km (0.104 R)
• M33: 4,508,730 km (0.037 R)
• M34: 4,624,968 km (0.071 R)
• M35: 4,703,058 km (0.114 R)
• M36: 4,953,185 km (0.102 R)
• M37: 5,357,100 km (0.051 R)
• M38: 5,452,842 km (0.114 R)
• M39: 5,507,745 km (0.07 R)
• M40: 5,799,610 km (0.101 R)
• M41: 5,954,444 km (0.11 R)
• M42: 6,010,992 km (0.032 R)
• M43: 6,082,051 km (0.055 R)
• M44: 6,182,132 km (0.093 R)
• M45: 6,354,768 km (0.101 R)
• M46: 6,660,696 km (0.106 R)
• M47: 6,734,298 km (0.083 R)
• M48: 6,837,670 km (0.108 R)
• M49: 6,986,370 km (0.074 R)
• M50: 7,530,757 km (0.111 R)
• M51: 7,715,211 km (0.072 R)
• M52: 7,823,520 km (0.118 R)
• M53: 8,198,562 km (0.091 R)
• M54: 8,324,972 km (0.098 R)
• M55: 8,420,116 km (0.112 R)
• M56: 8,643,765 km (0.115 R)
• M57: 8,740,106 km (0.077 R)
• M58: 8,820,739 km (0.111 R)
• M59: 8,933,985 km (0.116 R)
• M60: 9,080,441 km (0.084 R)
• M61: 9,824,092 km (0.062 R)
• M62: 10,042,655 km (0.08 R)
• M63: 10,416,051 km (0.096 R)
• M64: 10,518,675 km (0.106 R)
• M65: 10,604,395 km (0.113 R)
• M66: 10,759,528 km (0.044 R)
• M67: 10,845,995 km (0.081 R)
• M68: 11,054,385 km (0.102 R)
• M69: 11,193,960 km (0.09 R)
• M70: 11,264,121 km (0.051 R)
• M71: 11,669,831 km (0.051 R)
• M72: 11,865,505 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 16,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit