🌌 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: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.49 AU - 0.65 AU

Year: 274 Days

Day: 13.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.49 AU - 0.69 AU

Year: 288 Days

Day: 31.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 13.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.79 AU - 1.15 AU

Year: 607 Days

Day: 5.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 23,944,190 km

• M1: 167,101 km (0.098 R)
• M2: 325,375 km (0.117 R)
• M3: 429,047 km (0.115 R)
• M4: 556,654 km (0.073 R)
• M5: 664,813 km (0.11 R)
• M6: 838,197 km (0.102 R)
• M7: 1,007,093 km (0.04 R)
• M8: 1,199,326 km (0.104 R)
• M9: 1,311,674 km (0.09 R)
• M10: 1,415,944 km (0.062 R)
• M11: 1,541,456 km (0.08 R)
• M12: 1,689,708 km (0.062 R)
• M13: 1,797,718 km (0.064 R)
• M14: 1,921,285 km (0.092 R)
• M15: 2,007,603 km (0.103 R)
• M16: 2,156,753 km (0.04 R)
• M17: 2,274,636 km (0.081 R)
• M18: 2,366,339 km (0.065 R)
• M19: 2,678,550 km (0.109 R)
• M20: 2,942,740 km (0.099 R)
• M21: 3,074,087 km (0.095 R)
• M22: 3,191,820 km (0.072 R)
• M23: 3,310,900 km (0.098 R)
• M24: 3,488,473 km (0.111 R)
• M25: 3,627,898 km (0.106 R)
• M26: 3,727,530 km (0.098 R)
• M27: 3,971,973 km (0.096 R)
• M28: 4,352,999 km (0.113 R)
• M29: 4,485,692 km (0.037 R)
• M30: 4,592,804 km (0.097 R)
• M31: 4,782,345 km (0.118 R)
• M32: 4,900,976 km (0.09 R)
• M33: 5,048,330 km (0.096 R)
• M34: 5,131,955 km (0.031 R)
• M35: 5,300,552 km (0.11 R)
• M36: 5,643,280 km (0.103 R)
• M37: 5,759,069 km (0.109 R)
• M38: 6,190,809 km (0.097 R)
• M39: 6,280,418 km (0.097 R)
• M40: 6,410,568 km (0.036 R)
• M41: 6,653,365 km (0.114 R)
• M42: 6,765,713 km (0.093 R)
• M43: 6,868,337 km (0.072 R)
• M44: 7,064,759 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.4

Radius: 13

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.11 AU - 1.19 AU

Year: 784 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 23,944,190 km

• M1: 169,195 km (0.052 R)
• M2: 287,677 km (0.055 R)
• M3: 373,247 km (0.06 R)
• M4: 458,667 km (0.103 R)
• M5: 574,456 km (0.08 R)
• M6: 679,174 km (0.087 R)
• M7: 791,373 km (0.09 R)
• M8: 873,951 km (0.063 R)
• M9: 994,078 km (0.076 R)
• M10: 1,076,357 km (0.063 R)
• M11: 1,189,901 km (0.089 R)
• M12: 1,282,203 km (0.09 R)
• M13: 1,390,363 km (0.09 R)
• M14: 1,625,381 km (0.116 R)
• M15: 1,733,690 km (0.061 R)
• M16: 1,863,989 km (0.119 R)
• M17: 1,947,914 km (0.049 R)
• M18: 2,073,576 km (0.084 R)
• M19: 2,333,428 km (0.095 R)
• M20: 2,424,233 km (0.072 R)
• M21: 2,521,622 km (0.049 R)
• M22: 2,805,259 km (0.04 R)
• M23: 2,890,680 km (0.115 R)
• M24: 3,011,854 km (0.101 R)
• M25: 3,199,749 km (0.106 R)
• M26: 3,373,432 km (0.084 R)
• M27: 3,501,189 km (0.036 R)
• M28: 3,636,724 km (0.062 R)
• M29: 4,022,088 km (0.114 R)
• M30: 4,112,445 km (0.1 R)
• M31: 4,268,925 km (0.068 R)
• M32: 4,520,698 km (0.079 R)
• M33: 4,614,795 km (0.119 R)

Asteroid Belt

Center: 1.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 12.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.64 AU - 2.06 AU

Year: 1600 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 23,944,190 km

• M1: 333,005 km (0.077 R)
• M2: 450,290 km (0.101 R)
• M3: 551,567 km (0.059 R)
• M4: 638,334 km (0.092 R)
• M5: 717,920 km (0.074 R)
• M6: 807,978 km (0.103 R)
• M7: 902,374 km (0.046 R)
• M8: 1,008,290 km (0.12 R)
• M9: 1,217,727 km (0.068 R)
• M10: 1,336,208 km (0.062 R)
• M11: 1,417,440 km (0.105 R)
• M12: 1,602,193 km (0.118 R)
• M13: 2,243,519 km (0.112 R)
• M14: 2,331,632 km (0.098 R)
• M15: 2,420,793 km (0.111 R)
• M16: 2,500,977 km (0.114 R)
• M17: 2,705,777 km (0.099 R)
• M18: 2,958,747 km (0.11 R)
• M19: 3,055,686 km (0.077 R)
• M20: 3,197,654 km (0.062 R)
• M21: 3,286,067 km (0.074 R)
• M22: 3,386,597 km (0.092 R)
• M23: 3,510,912 km (0.105 R)
• M24: 3,682,950 km (0.041 R)
• M25: 3,928,440 km (0.086 R)
• M26: 4,023,435 km (0.088 R)
• M27: 4,460,410 km (0.1 R)
• M28: 4,622,125 km (0.106 R)
• M29: 4,735,072 km (0.103 R)
• M30: 4,989,687 km (0.089 R)
• M31: 5,196,581 km (0.081 R)
• M32: 5,287,986 km (0.119 R)
• M33: 5,578,804 km (0.112 R)
• M34: 5,753,235 km (0.044 R)
• M35: 6,245,562 km (0.078 R)
• M36: 6,384,688 km (0.061 R)
• M37: 6,553,135 km (0.093 R)
• M38: 6,666,231 km (0.096 R)
• M39: 6,822,860 km (0.075 R)
• M40: 7,009,558 km (0.09 R)
• M41: 7,387,891 km (0.079 R)
• M42: 7,520,584 km (0.092 R)
• M43: 7,728,376 km (0.047 R)
• M44: 8,286,675 km (0.102 R)
• M45: 8,501,497 km (0.031 R)
• M46: 8,936,378 km (0.09 R)
• M47: 9,346,875 km (0.076 R)
• M48: 9,442,468 km (0.095 R)
• M49: 9,570,524 km (0.066 R)
• M50: 9,860,594 km (0.049 R)
• M51: 9,990,445 km (0.076 R)
• M52: 10,251,942 km (0.1 R)
• M53: 10,383,439 km (0.094 R)
• M54: 10,499,078 km (0.066 R)
• M55: 10,631,621 km (0.117 R)
• M56: 10,714,947 km (0.098 R)
• M57: 11,049,748 km (0.091 R)
• M58: 11,371,233 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 15

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.97 AU - 1.97 AU

Year: 1758 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 23,944,190 km

• M1: 198,068 km (0.056 R)
• M2: 296,054 km (0.053 R)
• M3: 406,457 km (0.035 R)
• M4: 500,405 km (0.113 R)
• M5: 841,638 km (0.04 R)
• M6: 972,536 km (0.093 R)
• M7: 1,684,771 km (0.075 R)
• M8: 1,817,614 km (0.031 R)
• M9: 2,015,831 km (0.051 R)
• M10: 2,141,643 km (0.086 R)
• M11: 2,611,829 km (0.075 R)
• M12: 2,767,112 km (0.112 R)
• M13: 2,872,429 km (0.119 R)
• M14: 2,979,092 km (0.064 R)
• M15: 3,169,231 km (0.109 R)
• M16: 3,270,359 km (0.087 R)
• M17: 3,372,684 km (0.095 R)
• M18: 3,476,206 km (0.096 R)
• M19: 3,822,226 km (0.112 R)
• M20: 4,019,396 km (0.078 R)
• M21: 4,260,697 km (0.071 R)
• M22: 4,362,573 km (0.1 R)
• M23: 4,600,135 km (0.104 R)
• M24: 5,120,735 km (0.073 R)
• M25: 5,273,026 km (0.109 R)
• M26: 5,382,681 km (0.112 R)
• M27: 5,615,605 km (0.032 R)
• M28: 5,829,231 km (0.045 R)
• M29: 6,022,661 km (0.1 R)
• M30: 6,299,566 km (0.1 R)
• M31: 6,462,927 km (0.085 R)
• M32: 6,687,025 km (0.111 R)
• M33: 6,901,698 km (0.088 R)
• M34: 7,118,615 km (0.118 R)
• M35: 7,240,238 km (0.108 R)
• M36: 7,571,896 km (0.052 R)
• M37: 7,683,496 km (0.057 R)
• M38: 7,845,810 km (0.113 R)
• M39: 7,996,754 km (0.106 R)
• M40: 8,339,632 km (0.061 R)
• M41: 8,442,257 km (0.095 R)
• M42: 8,545,180 km (0.062 R)
• M43: 8,791,418 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 11

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.27 AU - 3.03 AU

Year: 2743 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 124.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 23,944,190 km

• M1: 140,472 km (0.045 R)
• M2: 257,907 km (0.115 R)
• M3: 327,919 km (0.059 R)
• M4: 539,151 km (0.089 R)
• M5: 677,230 km (0.095 R)
• M6: 746,194 km (0.1 R)
• M7: 817,852 km (0.05 R)
• M8: 1,013,825 km (0.094 R)
• M9: 1,129,763 km (0.042 R)
• M10: 1,237,922 km (0.103 R)
• M11: 1,349,971 km (0.114 R)
• M12: 1,917,695 km (0.102 R)
• M13: 2,167,224 km (0.1 R)
• M14: 2,396,408 km (0.103 R)
• M15: 2,490,356 km (0.106 R)
• M16: 2,585,500 km (0.033 R)
• M17: 2,796,134 km (0.071 R)
• M18: 2,978,643 km (0.051 R)
• M19: 3,355,779 km (0.107 R)
• M20: 3,931,582 km (0.114 R)
• M21: 4,155,380 km (0.115 R)
• M22: 4,288,073 km (0.116 R)
• M23: 4,694,232 km (0.101 R)
• M24: 5,092,760 km (0.098 R)
• M25: 5,689,955 km (0.081 R)
• M26: 6,028,944 km (0.091 R)
• M27: 6,418,347 km (0.082 R)
• M28: 7,198,799 km (0.088 R)
• M29: 7,635,176 km (0.039 R)
• M30: 7,798,088 km (0.113 R)
• M31: 7,985,684 km (0.115 R)
• M32: 8,246,134 km (0.074 R)
• M33: 8,678,322 km (0.09 R)
• M34: 8,824,030 km (0.093 R)
• M35: 9,192,041 km (0.056 R)
• M36: 9,589,972 km (0.065 R)
• M37: 9,665,219 km (0.111 R)
• M38: 10,248,801 km (0.115 R)
• M39: 10,843,751 km (0.06 R)
• M40: 11,027,009 km (0.112 R)
• M41: 11,503,179 km (0.039 R)
• M42: 11,797,438 km (0.115 R)
• M43: 12,230,075 km (0.091 R)
• M44: 12,805,578 km (0.082 R)
• M45: 12,888,605 km (0.078 R)
• M46: 13,558,653 km (0.109 R)
• M47: 13,784,546 km (0.12 R)
• M48: 14,068,633 km (0.053 R)
• M49: 14,874,516 km (0.079 R)
• M50: 14,990,903 km (0.074 R)
• M51: 15,107,440 km (0.089 R)
• M52: 15,459,294 km (0.072 R)
• M53: 15,695,360 km (0.082 R)
• M54: 15,873,082 km (0.058 R)
• M55: 15,962,242 km (0.076 R)
• M56: 16,320,529 km (0.109 R)
• M57: 17,106,068 km (0.092 R)
• M58: 17,841,940 km (0.083 R)
• M59: 18,244,956 km (0.062 R)
• M60: 18,682,231 km (0.062 R)
• M61: 18,776,478 km (0.114 R)
• M62: 19,313,085 km (0.069 R)
• M63: 19,471,808 km (0.086 R)
• M64: 19,950,821 km (0.116 R)
• M65: 21,018,202 km (0.115 R)
• M66: 21,312,461 km (0.071 R)
• M67: 21,443,808 km (0.086 R)
• M68: 21,806,134 km (0.095 R)
• M69: 22,070,922 km (0.099 R)
• M70: 22,203,765 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 11.5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.14 AU - 4.04 AU

Year: 4325 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 23,944,190 km

• M1: 195,824 km (0.083 R)
• M2: 753,824 km (0.065 R)
• M3: 1,258,567 km (0.066 R)
• M4: 1,430,156 km (0.091 R)
• M5: 1,553,424 km (0.103 R)
• M6: 1,975,889 km (0.114 R)
• M7: 2,083,150 km (0.086 R)
• M8: 2,192,506 km (0.068 R)
• M9: 2,499,182 km (0.033 R)
• M10: 2,837,124 km (0.086 R)
• M11: 2,924,040 km (0.089 R)
• M12: 3,100,266 km (0.117 R)
• M13: 3,537,990 km (0.057 R)
• M14: 3,840,776 km (0.113 R)
• M15: 4,014,908 km (0.102 R)
• M16: 4,171,836 km (0.086 R)
• M17: 4,330,858 km (0.082 R)
• M18: 4,512,171 km (0.116 R)
• M19: 4,634,542 km (0.075 R)
• M20: 4,882,426 km (0.032 R)
• M21: 5,177,283 km (0.053 R)
• M22: 6,277,575 km (0.109 R)
• M23: 6,460,234 km (0.112 R)
• M24: 6,714,252 km (0.108 R)
• M25: 6,971,560 km (0.114 R)
• M26: 7,160,801 km (0.117 R)
• M27: 7,280,031 km (0.043 R)
• M28: 7,399,859 km (0.041 R)
• M29: 7,471,965 km (0.081 R)
• M30: 7,641,459 km (0.08 R)
• M31: 7,714,463 km (0.08 R)
• M32: 7,787,616 km (0.091 R)
• M33: 7,861,069 km (0.115 R)
• M34: 8,381,969 km (0.056 R)
• M35: 9,300,649 km (0.093 R)
• M36: 9,692,895 km (0.095 R)
• M37: 10,143,932 km (0.118 R)
• M38: 10,847,192 km (0.094 R)
• M39: 11,011,750 km (0.068 R)
• M40: 11,149,529 km (0.11 R)
• M41: 11,287,907 km (0.097 R)
• M42: 11,454,559 km (0.047 R)
• M43: 11,594,284 km (0.106 R)
• M44: 12,016,449 km (0.12 R)
• M45: 12,243,688 km (0.079 R)
• M46: 12,386,404 km (0.1 R)
• M47: 12,472,274 km (0.105 R)
• M48: 12,875,889 km (0.117 R)
• M49: 13,166,857 km (0.03 R)
• M50: 13,430,448 km (0.108 R)
• M51: 13,636,744 km (0.046 R)
• M52: 13,755,225 km (0.088 R)
• M53: 14,082,396 km (0.064 R)
• M54: 14,352,121 km (0.117 R)
• M55: 15,509,709 km (0.075 R)
• M56: 15,757,144 km (0.046 R)
• M57: 16,224,787 km (0.075 R)
• M58: 17,687,255 km (0.109 R)
• M59: 17,784,045 km (0.049 R)
• M60: 18,075,612 km (0.071 R)
• M61: 18,992,946 km (0.071 R)
• M62: 19,423,937 km (0.096 R)
• M63: 19,523,869 km (0.088 R)
• M64: 19,757,690 km (0.067 R)
• M65: 20,127,047 km (0.102 R)
• M66: 20,600,375 km (0.081 R)
• M67: 20,974,968 km (0.09 R)
• M68: 21,523,693 km (0.054 R)
• M69: 21,661,772 km (0.075 R)
• M70: 23,198,441 km (0.087 R)
• M71: 23,481,630 km (0.102 R)
• M72: 23,837,224 km (0.098 R)
• M73: 23,944,186 km (0.036 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 12,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit