🌌 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: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.67 AU - 0.67 AU

Year: 354 Days

Day: 13.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 12.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.98 AU - 1.06 AU

Year: 665 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,261,636 km

• M1: 156,180 km (0.114 R)
• M2: 266,434 km (0.108 R)
• M3: 381,026 km (0.053 R)
• M4: 502,649 km (0.065 R)
• M5: 609,312 km (0.101 R)
• M6: 885,470 km (0.08 R)
• M7: 981,811 km (0.111 R)
• M8: 1,097,749 km (0.066 R)
• M9: 1,202,168 km (0.057 R)
• M10: 1,434,943 km (0.098 R)
• M11: 1,668,914 km (0.056 R)
• M12: 1,804,898 km (0.065 R)
• M13: 1,925,325 km (0.099 R)
• M14: 2,088,386 km (0.088 R)
• M15: 2,423,486 km (0.11 R)
• M16: 2,589,390 km (0.08 R)
• M17: 2,682,140 km (0.101 R)
• M18: 2,781,473 km (0.046 R)
• M19: 3,469,623 km (0.109 R)
• M20: 3,639,118 km (0.112 R)
• M21: 3,848,704 km (0.058 R)
• M22: 3,942,502 km (0.076 R)
• M23: 4,145,207 km (0.105 R)
• M24: 4,318,891 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 9.9

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.11 AU - 4.31 AU

Year: 5577 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 63,261,636 km

• M1: 216,618 km (0.068 R)
• M2: 299,495 km (0.109 R)
• M3: 534,663 km (0.103 R)
• M4: 648,208 km (0.097 R)
• M5: 715,227 km (0.099 R)
• M6: 962,064 km (0.05 R)
• M7: 1,408,913 km (0.046 R)
• M8: 1,498,372 km (0.096 R)
• M9: 1,645,577 km (0.061 R)
• M10: 1,740,122 km (0.101 R)
• M11: 1,954,795 km (0.095 R)
• M12: 2,716,398 km (0.094 R)
• M13: 2,828,896 km (0.116 R)
• M14: 2,943,039 km (0.102 R)
• M15: 3,152,476 km (0.042 R)
• M16: 3,342,764 km (0.069 R)
• M17: 3,415,170 km (0.041 R)
• M18: 3,536,942 km (0.099 R)
• M19: 4,167,348 km (0.12 R)
• M20: 4,350,156 km (0.106 R)
• M21: 4,696,775 km (0.118 R)
• M22: 4,942,115 km (0.112 R)
• M23: 5,052,369 km (0.077 R)
• M24: 5,847,781 km (0.102 R)
• M25: 6,500,027 km (0.115 R)
• M26: 7,300,376 km (0.1 R)
• M27: 7,394,772 km (0.072 R)
• M28: 8,525,583 km (0.075 R)
• M29: 8,892,097 km (0.081 R)
• M30: 9,537,313 km (0.067 R)
• M31: 10,373,715 km (0.114 R)
• M32: 11,562,120 km (0.106 R)
• M33: 11,819,728 km (0.095 R)
• M34: 11,967,680 km (0.069 R)
• M35: 12,116,380 km (0.109 R)
• M36: 12,415,576 km (0.096 R)
• M37: 12,869,007 km (0.075 R)
• M38: 13,097,742 km (0.105 R)
• M39: 13,174,336 km (0.049 R)
• M40: 13,289,377 km (0.094 R)
• M41: 13,675,489 km (0.087 R)
• M42: 14,143,731 km (0.027 R)
• M43: 14,458,784 km (0.079 R)
• M44: 15,296,831 km (0.059 R)
• M45: 16,150,586 km (0.094 R)
• M46: 16,479,851 km (0.099 R)
• M47: 16,728,333 km (0.113 R)
• M48: 17,650,006 km (0.096 R)
• M49: 17,734,528 km (0.116 R)
• M50: 17,904,172 km (0.06 R)
• M51: 18,631,068 km (0.064 R)
• M52: 19,411,221 km (0.083 R)
• M53: 19,585,952 km (0.089 R)
• M54: 20,467,831 km (0.056 R)
• M55: 21,093,001 km (0.109 R)
• M56: 22,042,199 km (0.045 R)
• M57: 22,270,336 km (0.108 R)
• M58: 22,361,740 km (0.093 R)
• M59: 22,453,444 km (0.1 R)
• M60: 23,329,638 km (0.074 R)
• M61: 23,562,113 km (0.114 R)
• M62: 24,170,079 km (0.082 R)
• M63: 24,264,027 km (0.074 R)
• M64: 25,976,623 km (0.057 R)
• M65: 26,362,586 km (0.101 R)
• M66: 26,556,165 km (0.085 R)
• M67: 27,091,127 km (0.036 R)
• M68: 27,482,475 km (0.046 R)
• M69: 28,270,706 km (0.116 R)
• M70: 29,316,545 km (0.102 R)
• M71: 29,567,421 km (0.115 R)
• M72: 29,718,215 km (0.084 R)
• M73: 30,730,544 km (0.113 R)
• M74: 31,087,634 km (0.036 R)
• M75: 31,343,447 km (0.084 R)
• M76: 32,373,727 km (0.058 R)
• M77: 32,893,131 km (0.052 R)
• M78: 33,782,191 km (0.112 R)
• M79: 35,157,444 km (0.112 R)
• M80: 35,851,878 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.7

Radius: 4.1

Gravity: 52.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.28 AU - 7.78 AU

Year: 13342 Days

Day: 18.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 63,261,636 km

• M1: 52,958 km (0.108 R)
• M2: 203,603 km (0.068 R)
• M3: 315,951 km (0.113 R)
• M4: 537,804 km (0.095 R)
• M5: 674,686 km (0.032 R)
• M6: 800,498 km (0.08 R)
• M7: 1,171,800 km (0.076 R)
• M8: 1,221,616 km (0.11 R)
• M9: 1,297,762 km (0.095 R)
• M10: 1,427,912 km (0.078 R)
• M11: 1,535,323 km (0.106 R)
• M12: 1,617,452 km (0.072 R)
• M13: 1,729,351 km (0.062 R)
• M14: 1,843,644 km (0.092 R)
• M15: 2,140,446 km (0.046 R)
• M16: 2,613,176 km (0.102 R)
• M17: 2,911,773 km (0.114 R)
• M18: 2,945,732 km (0.117 R)
• M19: 3,983,193 km (0.092 R)
• M20: 4,326,221 km (0.063 R)
• M21: 5,162,473 km (0.108 R)
• M22: 5,704,765 km (0.12 R)
• M23: 6,133,961 km (0.106 R)
• M24: 7,390,284 km (0.076 R)
• M25: 7,716,408 km (0.118 R)
• M26: 8,047,318 km (0.063 R)
• M27: 8,722,902 km (0.085 R)
• M28: 9,820,651 km (0.072 R)
• M29: 11,066,951 km (0.094 R)
• M30: 11,173,016 km (0.037 R)
• M31: 11,332,787 km (0.097 R)
• M32: 12,860,031 km (0.111 R)
• M33: 13,027,581 km (0.089 R)
• M34: 13,477,571 km (0.055 R)
• M35: 13,818,355 km (0.055 R)
• M36: 15,033,688 km (0.084 R)
• M37: 15,564,761 km (0.066 R)
• M38: 15,862,610 km (0.034 R)
• M39: 17,999,017 km (0.12 R)
• M40: 19,068,792 km (0.065 R)
• M41: 20,418,464 km (0.034 R)
• M42: 21,006,234 km (0.098 R)
• M43: 21,599,689 km (0.069 R)
• M44: 22,064,938 km (0.091 R)
• M45: 23,890,481 km (0.096 R)
• M46: 24,786,572 km (0.101 R)
• M47: 25,834,056 km (0.055 R)
• M48: 26,753,485 km (0.103 R)
• M49: 26,824,693 km (0.12 R)
• M50: 27,539,921 km (0.088 R)
• M51: 27,972,109 km (0.046 R)
• M52: 29,208,535 km (0.089 R)
• M53: 29,502,046 km (0.091 R)
• M54: 29,575,649 km (0.105 R)
• M55: 30,092,060 km (0.062 R)
• M56: 30,909,762 km (0.075 R)
• M57: 31,659,248 km (0.1 R)
• M58: 31,734,645 km (0.029 R)
• M59: 32,263,324 km (0.1 R)
• M60: 32,718,700 km (0.071 R)
• M61: 33,023,580 km (0.109 R)
• M62: 33,405,953 km (0.077 R)
• M63: 34,097,843 km (0.049 R)
• M64: 35,027,743 km (0.103 R)
• M65: 36,359,463 km (0.102 R)
• M66: 37,548,018 km (0.1 R)
• M67: 39,719,581 km (0.119 R)
• M68: 40,370,781 km (0.109 R)
• M69: 42,511,377 km (0.072 R)
• M70: 42,594,403 km (0.096 R)
• M71: 43,093,911 km (0.115 R)
• M72: 44,098,760 km (0.088 R)
• M73: 44,182,834 km (0.077 R)
• M74: 46,387,757 km (0.108 R)
• M75: 47,331,420 km (0.081 R)
• M76: 47,417,439 km (0.094 R)
• M77: 47,589,775 km (0.11 R)
• M78: 51,345,280 km (0.106 R)
• M79: 51,433,693 km (0.117 R)
• M80: 51,522,255 km (0.09 R)
• M81: 52,232,246 km (0.118 R)
• M82: 54,561,784 km (0.084 R)
• M83: 55,921,180 km (0.081 R)
• M84: 56,012,136 km (0.071 R)
• M85: 57,658,909 km (0.101 R)
• M86: 57,750,912 km (0.106 R)
• M87: 59,321,540 km (0.057 R)
• M88: 59,600,091 km (0.113 R)
• M89: 60,065,490 km (0.109 R)
• M90: 62,221,494 km (0.104 R)
• M91: 62,599,079 km (0.108 R)
• M92: 62,693,625 km (0.079 R)
• M93: 62,882,717 km (0.082 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 16,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit