🌌 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: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.45 AU - 0.69 AU

Year: 282 Days

Day: 17.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,111,370 km

• M1: 123,418 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 13.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.88 AU - 1.06 AU

Year: 627 Days

Day: 10.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 113 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,111,370 km

• M1: 168,148 km (0.091 R)
• M2: 266,883 km (0.084 R)
• M3: 365,767 km (0.112 R)
• M4: 471,832 km (0.116 R)
• M5: 584,479 km (0.087 R)
• M6: 695,331 km (0.093 R)
• M7: 876,943 km (0.055 R)
• M8: 995,275 km (0.081 R)
• M9: 1,100,592 km (0.057 R)
• M10: 1,320,201 km (0.101 R)
• M11: 1,507,947 km (0.045 R)
• M12: 1,616,255 km (0.073 R)
• M13: 1,719,927 km (0.112 R)
• M14: 1,825,842 km (0.109 R)
• M15: 1,910,664 km (0.111 R)
• M16: 2,016,878 km (0.094 R)
• M17: 2,153,312 km (0.09 R)
• M18: 2,297,225 km (0.115 R)
• M19: 2,564,407 km (0.102 R)
• M20: 2,730,610 km (0.091 R)
• M21: 2,887,089 km (0.117 R)
• M22: 3,000,634 km (0.072 R)
• M23: 3,124,950 km (0.071 R)
• M24: 3,236,999 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 14.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.33 AU - 1.45 AU

Year: 1075 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,111,370 km

• M1: 192,383 km (0.117 R)
• M2: 325,375 km (0.057 R)
• M3: 458,817 km (0.116 R)
• M4: 556,205 km (0.082 R)
• M5: 666,459 km (0.091 R)
• M6: 782,098 km (0.107 R)
• M7: 888,611 km (0.111 R)
• M8: 983,307 km (0.118 R)
• M9: 1,184,067 km (0.086 R)
• M10: 1,314,516 km (0.101 R)
• M11: 1,414,448 km (0.113 R)
• M12: 1,580,352 km (0.079 R)
• M13: 1,698,235 km (0.094 R)
• M14: 1,791,584 km (0.104 R)
• M15: 1,886,728 km (0.061 R)
• M16: 2,000,872 km (0.09 R)
• M17: 2,129,376 km (0.088 R)
• M18: 2,248,755 km (0.057 R)
• M19: 2,716,847 km (0.11 R)
• M20: 2,820,668 km (0.094 R)
• M21: 2,932,567 km (0.115 R)
• M22: 3,099,967 km (0.114 R)
• M23: 3,201,993 km (0.067 R)
• M24: 3,402,454 km (0.054 R)
• M25: 3,779,740 km (0.09 R)
• M26: 3,903,607 km (0.117 R)
• M27: 4,066,070 km (0.11 R)
• M28: 4,230,777 km (0.061 R)
• M29: 4,436,175 km (0.116 R)
• M30: 4,528,477 km (0.075 R)
• M31: 4,668,202 km (0.043 R)
• M32: 4,848,766 km (0.051 R)
• M33: 5,047,881 km (0.114 R)
• M34: 5,339,298 km (0.053 R)
• M35: 5,511,934 km (0.049 R)
• M36: 5,669,759 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.9

Radius: 6.6

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.26 AU - 10.06 AU

Year: 18187 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 67,111,370 km

• M1: 423,063 km (0.092 R)
• M2: 785,538 km (0.11 R)
• M3: 1,644,081 km (0.093 R)
• M4: 1,732,792 km (0.073 R)
• M5: 2,071,631 km (0.085 R)
• M6: 2,167,673 km (0.065 R)
• M7: 2,232,449 km (0.088 R)
• M8: 2,297,973 km (0.07 R)
• M9: 2,739,287 km (0.119 R)
• M10: 2,915,962 km (0.11 R)
• M11: 3,096,377 km (0.111 R)
• M12: 3,206,481 km (0.093 R)
• M13: 3,430,429 km (0.107 R)
• M14: 3,737,104 km (0.091 R)
• M15: 4,878,237 km (0.069 R)
• M16: 6,118,254 km (0.104 R)
• M17: 6,210,406 km (0.115 R)
• M18: 6,303,007 km (0.082 R)
• M19: 6,349,532 km (0.091 R)
• M20: 7,303,069 km (0.105 R)
• M21: 7,597,777 km (0.053 R)
• M22: 8,300,438 km (0.069 R)
• M23: 8,351,451 km (0.093 R)
• M24: 9,713,539 km (0.077 R)
• M25: 10,420,090 km (0.09 R)
• M26: 11,939,855 km (0.11 R)
• M27: 12,403,309 km (0.119 R)
• M28: 14,807,347 km (0.077 R)
• M29: 15,117,912 km (0.103 R)
• M30: 16,316,939 km (0.083 R)
• M31: 16,637,677 km (0.118 R)
• M32: 17,025,135 km (0.115 R)
• M33: 18,471,298 km (0.077 R)
• M34: 18,805,500 km (0.078 R)
• M35: 21,339,538 km (0.101 R)
• M36: 21,830,817 km (0.103 R)
• M37: 23,399,201 km (0.104 R)
• M38: 24,051,298 km (0.043 R)
• M39: 24,197,007 km (0.114 R)
• M40: 24,343,014 km (0.099 R)
• M41: 24,489,321 km (0.1 R)
• M42: 25,299,094 km (0.111 R)
• M43: 25,893,596 km (0.1 R)
• M44: 26,869,423 km (0.069 R)
• M45: 27,857,367 km (0.079 R)
• M46: 28,010,406 km (0.041 R)
• M47: 28,087,000 km (0.061 R)
• M48: 28,163,594 km (0.087 R)
• M49: 28,548,210 km (0.111 R)
• M50: 29,555,902 km (0.103 R)
• M51: 29,712,082 km (0.094 R)
• M52: 30,103,430 km (0.05 R)
• M53: 30,496,573 km (0.111 R)
• M54: 31,845,796 km (0.085 R)
• M55: 32,005,866 km (0.093 R)
• M56: 33,052,453 km (0.105 R)
• M57: 34,849,123 km (0.094 R)
• M58: 35,510,346 km (0.074 R)
• M59: 38,026,432 km (0.116 R)
• M60: 38,451,290 km (0.09 R)
• M61: 40,425,982 km (0.043 R)
• M62: 40,512,599 km (0.055 R)
• M63: 41,033,649 km (0.084 R)
• M64: 41,207,781 km (0.089 R)
• M65: 42,786,038 km (0.096 R)
• M66: 46,544,834 km (0.113 R)
• M67: 46,817,252 km (0.111 R)
• M68: 47,090,418 km (0.116 R)
• M69: 48,279,571 km (0.053 R)
• M70: 48,463,427 km (0.107 R)
• M71: 48,739,734 km (0.085 R)
• M72: 50,035,551 km (0.061 R)
• M73: 51,718,228 km (0.082 R)
• M74: 52,283,259 km (0.107 R)
• M75: 53,134,621 km (0.086 R)
• M76: 53,609,594 km (0.099 R)
• M77: 54,659,322 km (0.068 R)
• M78: 56,779,423 km (0.066 R)
• M79: 56,876,362 km (0.05 R)
• M80: 57,459,495 km (0.11 R)
• M81: 58,533,757 km (0.093 R)
• M82: 58,828,016 km (0.115 R)
• M83: 59,614,751 km (0.116 R)
• M84: 60,207,009 km (0.11 R)
• M85: 60,503,961 km (0.059 R)
• M86: 62,195,614 km (0.073 R)
• M87: 62,495,857 km (0.086 R)
• M88: 63,902,825 km (0.107 R)
• M89: 65,930,923 km (0.118 R)
• M90: 66,339,176 km (0.1 R)
• M91: 66,543,526 km (0.074 R)
• M92: 68,186,261 km (0.106 R)
• M93: 68,805,596 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.4

Radius: 5.8

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.97 AU - 9.47 AU

Year: 18366 Days

Day: 24.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 67,111,370 km

• M1: 160,219 km (0.064 R)
• M2: 628,610 km (0.052 R)
• M3: 1,107,024 km (0.043 R)
• M4: 1,208,900 km (0.08 R)
• M5: 1,367,325 km (0.041 R)
• M6: 1,421,629 km (0.089 R)
• M7: 1,852,171 km (0.079 R)
• M8: 1,942,828 km (0.055 R)
• M9: 4,362,573 km (0.075 R)
• M10: 4,606,268 km (0.1 R)
• M11: 4,647,258 km (0.089 R)
• M12: 4,812,564 km (0.079 R)
• M13: 4,979,964 km (0.112 R)
• M14: 5,493,234 km (0.098 R)
• M15: 5,800,508 km (0.07 R)
• M16: 6,023,409 km (0.106 R)
• M17: 6,203,674 km (0.073 R)
• M18: 6,294,630 km (0.119 R)
• M19: 6,477,588 km (0.11 R)
• M20: 7,037,084 km (0.093 R)
• M21: 7,611,988 km (0.11 R)
• M22: 8,401,865 km (0.046 R)
• M23: 9,011,177 km (0.078 R)
• M24: 9,321,144 km (0.111 R)
• M25: 9,739,869 km (0.116 R)
• M26: 10,164,876 km (0.11 R)
• M27: 12,378,625 km (0.098 R)
• M28: 13,597,998 km (0.11 R)
• M29: 13,834,661 km (0.085 R)
• M30: 15,775,993 km (0.085 R)
• M31: 15,962,242 km (0.071 R)
• M32: 16,086,857 km (0.094 R)
• M33: 17,414,838 km (0.058 R)
• M34: 17,607,520 km (0.068 R)
• M35: 17,736,174 km (0.086 R)
• M36: 17,800,800 km (0.064 R)
• M37: 19,107,238 km (0.118 R)
• M38: 20,039,981 km (0.064 R)
• M39: 21,329,515 km (0.114 R)
• M40: 21,466,696 km (0.098 R)
• M41: 21,742,255 km (0.107 R)
• M42: 21,811,220 km (0.101 R)
• M43: 22,157,539 km (0.086 R)
• M44: 22,575,665 km (0.104 R)
• M45: 23,066,645 km (0.113 R)
• M46: 25,065,422 km (0.03 R)
• M47: 25,210,383 km (0.097 R)
• M48: 25,428,197 km (0.074 R)
• M49: 25,500,902 km (0.11 R)
• M50: 26,012,227 km (0.058 R)
• M51: 26,085,530 km (0.117 R)
• M52: 27,193,452 km (0.117 R)
• M53: 28,618,671 km (0.118 R)
• M54: 30,222,061 km (0.085 R)
• M55: 30,763,007 km (0.103 R)
• M56: 32,483,682 km (0.089 R)
• M57: 33,435,423 km (0.05 R)
• M58: 33,594,895 km (0.089 R)
• M59: 33,834,700 km (0.034 R)
• M60: 34,396,290 km (0.063 R)
• M61: 34,637,891 km (0.026 R)
• M62: 35,772,890 km (0.092 R)
• M63: 35,854,421 km (0.082 R)
• M64: 36,508,912 km (0.12 R)
• M65: 38,245,892 km (0.056 R)
• M66: 38,579,645 km (0.072 R)
• M67: 39,166,368 km (0.113 R)
• M68: 39,334,516 km (0.029 R)
• M69: 40,263,519 km (0.099 R)
• M70: 43,180,677 km (0.107 R)
• M71: 43,876,906 km (0.086 R)
• M72: 45,987,732 km (0.109 R)
• M73: 46,431,738 km (0.025 R)
• M74: 46,876,942 km (0.088 R)
• M75: 48,491,851 km (0.063 R)
• M76: 48,853,279 km (0.077 R)
• M77: 49,760,590 km (0.113 R)
• M78: 51,315,660 km (0.101 R)
• M79: 53,817,984 km (0.072 R)
• M80: 54,098,480 km (0.049 R)
• M81: 54,567,020 km (0.1 R)
• M82: 54,848,863 km (0.092 R)
• M83: 56,170,261 km (0.095 R)
• M84: 58,459,856 km (0.045 R)
• M85: 59,712,738 km (0.056 R)
• M86: 63,524,043 km (0.068 R)
• M87: 64,414,749 km (0.032 R)
• M88: 64,513,932 km (0.094 R)
• M89: 65,409,126 km (0.115 R)
• M90: 66,308,508 km (0.08 R)
• M91: 66,809,960 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit