🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 14.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.67 AU - 0.71 AU

Year: 370 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,697,290 km

• M1: 178,470 km (0.074 R)
• M2: 647,759 km (0.084 R)
• M3: 1,105,827 km (0.12 R)
• M4: 1,565,691 km (0.029 R)
• M5: 2,022,862 km (0.064 R)
• M6: 2,502,473 km (0.078 R)
• M7: 3,258,541 km (0.1 R)
• M8: 3,948,486 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 8.7

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.98 AU - 1.02 AU

Year: 646 Days

Day: 5.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,697,290 km

• M1: 108,309 km (0.091 R)
• M2: 417,228 km (0.106 R)
• M3: 752,776 km (0.117 R)
• M4: 1,046,138 km (0.079 R)
• M5: 1,695,692 km (0.102 R)
• M6: 2,223,174 km (0.087 R)
• M7: 3,189,576 km (0.067 R)
• M8: 4,792,069 km (0.063 R)
• M9: 5,337,353 km (0.08 R)
• M10: 6,447,519 km (0.097 R)
• M11: 8,231,174 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 14.4

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.22 AU - 1.48 AU

Year: 1013 Days

Day: 9 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,697,290 km

• M1: 179,069 km (0.109 R)
• M2: 712,385 km (0.111 R)
• M3: 1,216,231 km (0.112 R)
• M4: 1,690,905 km (0.117 R)
• M5: 2,379,055 km (0.051 R)
• M6: 2,840,116 km (0.107 R)
• M7: 3,514,652 km (0.107 R)
• M8: 4,031,812 km (0.099 R)
• M9: 4,694,381 km (0.061 R)
• M10: 5,824,294 km (0.059 R)
• M11: 6,754,793 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.8

Radius: 8.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.33 AU - 1.61 AU

Year: 1151 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,697,290 km

• M1: 100,679 km (0.116 R)
• M2: 455,376 km (0.117 R)
• M3: 832,363 km (0.084 R)
• M4: 1,204,712 km (0.101 R)
• M5: 1,607,429 km (0.116 R)
• M6: 1,956,740 km (0.113 R)
• M7: 3,124,651 km (0.092 R)
• M8: 3,764,481 km (0.111 R)
• M9: 4,165,254 km (0.06 R)
• M10: 4,865,521 km (0.12 R)
• M11: 5,400,932 km (0.058 R)
• M12: 6,453,951 km (0.08 R)
• M13: 6,841,410 km (0.096 R)
• M14: 7,148,085 km (0.096 R)
• M15: 8,988,438 km (0.054 R)
• M16: 9,328,026 km (0.092 R)
• M17: 10,245,210 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.6

Radius: 9.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.3 AU - 2.8 AU

Year: 2629 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,697,290 km

• M1: 119,529 km (0.109 R)
• M2: 442,660 km (0.103 R)
• M3: 841,937 km (0.036 R)
• M4: 1,310,477 km (0.094 R)
• M5: 1,824,795 km (0.095 R)
• M6: 2,415,856 km (0.084 R)
• M7: 2,912,521 km (0.092 R)
• M8: 3,493,110 km (0.101 R)
• M9: 4,015,506 km (0.092 R)
• M10: 4,863,576 km (0.097 R)
• M11: 5,705,663 km (0.082 R)
• M12: 6,301,960 km (0.088 R)
• M13: 7,531,505 km (0.109 R)
• M14: 9,751,687 km (0.103 R)
• M15: 11,199,645 km (0.104 R)
• M16: 13,289,826 km (0.074 R)
• M17: 13,719,770 km (0.09 R)
• M18: 14,382,040 km (0.071 R)
• M19: 15,344,702 km (0.049 R)
• M20: 15,770,308 km (0.079 R)
• M21: 16,155,074 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.4

Radius: 14.7

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.43 AU - 7.17 AU

Year: 9019 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,697,290 km

• M1: 189,391 km (0.094 R)
• M2: 1,934,300 km (0.064 R)
• M3: 2,392,968 km (0.064 R)
• M4: 2,967,723 km (0.082 R)
• M5: 4,927,754 km (0.115 R)
• M6: 5,530,783 km (0.07 R)
• M7: 6,326,644 km (0.071 R)
• M8: 7,316,981 km (0.114 R)
• M9: 7,976,409 km (0.042 R)
• M10: 10,499,676 km (0.098 R)
• M11: 11,179,150 km (0.114 R)
• M12: 11,887,795 km (0.101 R)
• M13: 16,162,853 km (0.112 R)
• M14: 17,790,328 km (0.099 R)
• M15: 19,524,766 km (0.086 R)
• M16: 20,153,676 km (0.11 R)
• M17: 29,919,574 km (0.098 R)
• M18: 32,257,789 km (0.096 R)
• M19: 36,698,302 km (0.091 R)
• M20: 42,571,964 km (0.104 R)
• M21: 43,764,109 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.2

Radius: 4.5

Gravity: 30.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.71 AU - 6.83 AU

Year: 10137 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,697,290 km

• M1: 74,949 km (0.091 R)
• M2: 229,782 km (0.036 R)
• M3: 435,031 km (0.057 R)
• M4: 820,993 km (0.077 R)
• M5: 1,026,989 km (0.113 R)
• M6: 1,194,689 km (0.107 R)
• M7: 1,367,624 km (0.079 R)
• M8: 2,127,132 km (0.098 R)
• M9: 2,597,617 km (0.103 R)
• M10: 2,804,212 km (0.074 R)
• M11: 3,273,800 km (0.083 R)
• M12: 3,614,733 km (0.109 R)
• M13: 5,187,007 km (0.108 R)
• M14: 6,359,106 km (0.045 R)
• M15: 7,951,426 km (0.038 R)
• M16: 9,307,381 km (0.11 R)
• M17: 11,291,049 km (0.103 R)
• M18: 12,877,534 km (0.104 R)
• M19: 13,356,846 km (0.118 R)
• M20: 14,607,035 km (0.107 R)
• M21: 16,978,760 km (0.114 R)
• M22: 18,974,994 km (0.055 R)
• M23: 19,831,292 km (0.116 R)
• M24: 20,228,923 km (0.071 R)
• M25: 21,287,627 km (0.086 R)
• M26: 21,788,481 km (0.092 R)
• M27: 22,468,403 km (0.111 R)
• M28: 22,987,508 km (0.095 R)
• M29: 23,870,584 km (0.093 R)
• M30: 24,139,860 km (0.097 R)
• M31: 29,442,357 km (0.118 R)
• M32: 30,063,936 km (0.083 R)
• M33: 31,764,116 km (0.107 R)
• M34: 32,308,203 km (0.074 R)
• M35: 35,939,093 km (0.117 R)
• M36: 37,007,222 km (0.106 R)
• M37: 42,930,849 km (0.114 R)
• M38: 43,595,811 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.2

Radius: 6.6

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.06 AU - 8.74 AU

Year: 15719 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,697,290 km

• M1: 108,608 km (0.054 R)
• M2: 334,501 km (0.117 R)
• M3: 623,225 km (0.107 R)
• M4: 1,989,652 km (0.088 R)
• M5: 2,339,262 km (0.067 R)
• M6: 3,237,896 km (0.104 R)
• M7: 3,666,494 km (0.118 R)
• M8: 3,923,803 km (0.116 R)
• M9: 4,347,913 km (0.089 R)
• M10: 5,468,999 km (0.109 R)
• M11: 5,920,934 km (0.03 R)
• M12: 6,728,912 km (0.08 R)
• M13: 7,028,407 km (0.088 R)
• M14: 8,964,802 km (0.086 R)
• M15: 9,700,225 km (0.092 R)
• M16: 10,877,860 km (0.12 R)
• M17: 12,851,205 km (0.101 R)
• M18: 14,408,968 km (0.089 R)
• M19: 15,862,461 km (0.111 R)
• M20: 18,888,526 km (0.111 R)
• M21: 23,234,045 km (0.058 R)
• M22: 29,206,142 km (0.118 R)
• M23: 32,725,731 km (0.096 R)
• M24: 34,083,930 km (0.113 R)
• M25: 36,912,527 km (0.081 R)
• M26: 45,262,930 km (0.06 R)
• M27: 46,792,568 km (0.109 R)
• M28: 51,588,078 km (0.068 R)
• M29: 52,417,897 km (0.11 R)
• M30: 52,752,248 km (0.113 R)
• M31: 54,104,164 km (0.097 R)
• M32: 54,616,986 km (0.073 R)
• M33: 56,175,048 km (0.094 R)
• M34: 59,561,195 km (0.071 R)
• M35: 60,842,202 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.1

Radius: 3.3

Gravity: 37.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.57 AU - 9.09 AU

Year: 16942 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,697,290 km

• M1: 41,289 km (0.038 R)
• M2: 150,196 km (0.072 R)
• M3: 262,694 km (0.098 R)
• M4: 380,727 km (0.115 R)
• M5: 676,182 km (0.102 R)
• M6: 893,698 km (0.104 R)
• M7: 1,024,745 km (0.096 R)
• M8: 1,285,046 km (0.065 R)
• M9: 1,496,577 km (0.051 R)
• M10: 3,902,709 km (0.089 R)
• M11: 4,046,772 km (0.052 R)
• M12: 4,953,485 km (0.055 R)
• M13: 5,471,991 km (0.101 R)
• M14: 5,912,257 km (0.1 R)
• M15: 6,257,529 km (0.057 R)
• M16: 6,575,574 km (0.118 R)
• M17: 7,638,916 km (0.078 R)
• M18: 7,773,853 km (0.111 R)
• M19: 8,329,310 km (0.106 R)
• M20: 9,570,673 km (0.079 R)
• M21: 9,780,110 km (0.106 R)
• M22: 10,046,095 km (0.092 R)
• M23: 10,873,372 km (0.073 R)
• M24: 10,986,916 km (0.084 R)
• M25: 11,924,745 km (0.12 R)
• M26: 12,106,357 km (0.065 R)
• M27: 17,734,977 km (0.096 R)
• M28: 17,892,504 km (0.066 R)
• M29: 18,050,928 km (0.077 R)
• M30: 20,889,847 km (0.056 R)
• M31: 22,876,955 km (0.065 R)
• M32: 24,301,875 km (0.052 R)
• M33: 25,085,469 km (0.113 R)
• M34: 28,820,778 km (0.038 R)
• M35: 32,673,372 km (0.116 R)
• M36: 35,465,616 km (0.046 R)
• M37: 39,474,689 km (0.099 R)
• M38: 41,796,448 km (0.07 R)
• M39: 43,203,865 km (0.103 R)
• M40: 47,311,972 km (0.061 R)
• M41: 48,994,499 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.6

Radius: 5.7

Gravity: 29.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.46 AU - 11.16 AU

Year: 18342 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,697,290 km

• M1: 71,508 km (0.102 R)
• M2: 376,987 km (0.112 R)
• M3: 953,088 km (0.119 R)
• M4: 1,171,651 km (0.064 R)
• M5: 2,140,746 km (0.066 R)
• M6: 2,449,665 km (0.054 R)
• M7: 2,762,773 km (0.042 R)
• M8: 3,647,645 km (0.112 R)
• M9: 3,863,963 km (0.069 R)
• M10: 5,627,722 km (0.112 R)
• M11: 9,968,903 km (0.101 R)
• M12: 10,149,168 km (0.082 R)
• M13: 13,779,909 km (0.112 R)
• M14: 18,642,887 km (0.052 R)
• M15: 21,505,292 km (0.08 R)
• M16: 21,705,903 km (0.075 R)
• M17: 21,907,711 km (0.084 R)
• M18: 23,888,536 km (0.045 R)
• M19: 25,534,412 km (0.111 R)
• M20: 27,020,667 km (0.104 R)
• M21: 29,050,111 km (0.032 R)
• M22: 37,746,684 km (0.075 R)
• M23: 40,125,590 km (0.106 R)
• M24: 43,077,904 km (0.116 R)
• M25: 44,688,474 km (0.039 R)
• M26: 49,410,980 km (0.037 R)
• M27: 52,434,652 km (0.105 R)
• M28: 55,203,110 km (0.055 R)
• M29: 56,527,650 km (0.111 R)
• M30: 58,651,790 km (0.118 R)
• M31: 72,299,305 km (0.036 R)
• M32: 78,777,640 km (0.04 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 14,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit