🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.55 AU - 0.77 AU

Year: 346 Days

Day: 21.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 78.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 13.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.58 AU - 0.92 AU

Year: 419 Days

Day: 12.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 29,271,269 km

• M1: 173,982 km (0.104 R)
• M2: 276,457 km (0.084 R)
• M3: 365,617 km (0.106 R)
• M4: 493,823 km (0.053 R)
• M5: 597,793 km (0.095 R)
• M6: 684,560 km (0.075 R)
• M7: 818,749 km (0.061 R)
• M8: 906,563 km (0.051 R)
• M9: 1,036,863 km (0.085 R)
• M10: 1,133,204 km (0.081 R)
• M11: 1,249,591 km (0.077 R)
• M12: 1,370,466 km (0.102 R)
• M13: 1,477,429 km (0.083 R)
• M14: 1,638,845 km (0.045 R)
• M15: 1,743,414 km (0.048 R)
• M16: 1,850,376 km (0.103 R)
• M17: 1,984,715 km (0.113 R)
• M18: 2,107,086 km (0.064 R)
• M19: 2,216,292 km (0.085 R)
• M20: 2,343,600 km (0.099 R)
• M21: 2,655,811 km (0.08 R)
• M22: 2,746,019 km (0.055 R)
• M23: 2,860,162 km (0.068 R)
• M24: 2,952,763 km (0.096 R)
• M25: 3,040,427 km (0.117 R)
• M26: 3,314,939 km (0.079 R)
• M27: 3,467,529 km (0.097 R)
• M28: 3,862,767 km (0.05 R)
• M29: 4,173,781 km (0.109 R)
• M30: 4,305,876 km (0.105 R)
• M31: 4,446,049 km (0.074 R)
• M32: 4,628,558 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 12.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.74 AU - 1.92 AU

Year: 1598 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 29,271,269 km

• M1: 317,147 km (0.076 R)
• M2: 424,708 km (0.036 R)
• M3: 638,783 km (0.118 R)
• M4: 940,971 km (0.073 R)
• M5: 1,026,092 km (0.043 R)
• M6: 1,168,210 km (0.043 R)
• M7: 1,298,360 km (0.062 R)
• M8: 1,513,182 km (0.111 R)
• M9: 1,912,310 km (0.044 R)
• M10: 2,079,111 km (0.038 R)
• M11: 2,439,492 km (0.109 R)
• M12: 2,719,839 km (0.091 R)
• M13: 2,832,486 km (0.098 R)
• M14: 3,527,518 km (0.087 R)
• M15: 4,072,204 km (0.04 R)
• M16: 4,420,767 km (0.096 R)
• M17: 4,553,909 km (0.119 R)
• M18: 4,748,685 km (0.094 R)
• M19: 4,854,750 km (0.119 R)
• M20: 4,961,563 km (0.096 R)
• M21: 5,146,616 km (0.115 R)
• M22: 5,271,380 km (0.101 R)
• M23: 5,476,030 km (0.105 R)
• M24: 5,587,331 km (0.103 R)
• M25: 5,683,522 km (0.114 R)
• M26: 6,304,653 km (0.088 R)
• M27: 6,471,753 km (0.107 R)
• M28: 6,606,541 km (0.102 R)
• M29: 6,708,268 km (0.083 R)
• M30: 7,434,715 km (0.1 R)
• M31: 7,789,561 km (0.103 R)
• M32: 8,131,691 km (0.11 R)
• M33: 8,277,400 km (0.112 R)
• M34: 8,368,804 km (0.072 R)
• M35: 8,497,309 km (0.108 R)
• M36: 8,626,561 km (0.044 R)
• M37: 8,849,761 km (0.09 R)
• M38: 9,320,695 km (0.068 R)
• M39: 9,492,284 km (0.115 R)
• M40: 9,607,325 km (0.113 R)
• M41: 9,741,963 km (0.047 R)
• M42: 10,149,916 km (0.101 R)
• M43: 10,385,683 km (0.101 R)
• M44: 10,842,405 km (0.115 R)
• M45: 11,022,970 km (0.054 R)
• M46: 11,244,973 km (0.06 R)
• M47: 11,427,781 km (0.102 R)
• M48: 11,509,312 km (0.048 R)
• M49: 12,147,945 km (0.06 R)
• M50: 12,524,035 km (0.108 R)
• M51: 12,629,202 km (0.113 R)
• M52: 12,840,434 km (0.093 R)
• M53: 12,967,592 km (0.088 R)
• M54: 13,095,349 km (0.053 R)
• M55: 13,892,257 km (0.112 R)
• M56: 14,066,538 km (0.088 R)
• M57: 14,373,513 km (0.083 R)
• M58: 14,527,748 km (0.067 R)
• M59: 14,727,013 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 13.6

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.51 AU - 2.21 AU

Year: 1638 Days

Day: 12 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 29,271,269 km

• M1: 186,399 km (0.11 R)
• M2: 272,717 km (0.083 R)
• M3: 359,484 km (0.084 R)
• M4: 454,478 km (0.088 R)
• M5: 587,471 km (0.088 R)
• M6: 736,620 km (0.08 R)
• M7: 858,093 km (0.09 R)
• M8: 954,135 km (0.098 R)
• M9: 1,048,531 km (0.094 R)
• M10: 1,181,973 km (0.076 R)
• M11: 1,396,646 km (0.062 R)
• M12: 1,571,376 km (0.11 R)
• M13: 1,914,703 km (0.094 R)
• M14: 2,037,074 km (0.108 R)
• M15: 2,132,518 km (0.062 R)
• M16: 2,521,622 km (0.112 R)
• M17: 2,859,414 km (0.042 R)
• M18: 2,950,369 km (0.105 R)
• M19: 3,101,164 km (0.082 R)
• M20: 3,194,812 km (0.029 R)
• M21: 3,332,592 km (0.092 R)
• M22: 3,507,621 km (0.06 R)
• M23: 3,596,333 km (0.044 R)
• M24: 3,748,923 km (0.087 R)
• M25: 3,903,607 km (0.083 R)
• M26: 4,069,810 km (0.051 R)
• M27: 4,191,433 km (0.036 R)
• M28: 4,333,252 km (0.118 R)
• M29: 4,466,992 km (0.089 R)
• M30: 4,768,283 km (0.116 R)
• M31: 4,996,120 km (0.069 R)
• M32: 5,146,765 km (0.114 R)
• M33: 5,278,411 km (0.06 R)
• M34: 5,442,221 km (0.088 R)
• M35: 5,586,882 km (0.076 R)
• M36: 5,711,796 km (0.066 R)
• M37: 5,848,379 km (0.093 R)
• M38: 5,986,009 km (0.038 R)
• M39: 6,242,869 km (0.032 R)
• M40: 6,569,142 km (0.087 R)
• M41: 6,834,379 km (0.106 R)
• M42: 7,069,247 km (0.082 R)
• M43: 7,193,264 km (0.071 R)
• M44: 7,478,098 km (0.08 R)
• M45: 7,720,297 km (0.08 R)
• M46: 7,988,526 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.6

Radius: 8.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.29 AU - 4.61 AU

Year: 5069 Days

Day: 14.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 29,271,269 km

• M1: 190,887 km (0.047 R)
• M2: 333,603 km (0.056 R)
• M3: 454,030 km (0.097 R)
• M4: 590,313 km (0.116 R)
• M5: 695,181 km (0.081 R)
• M6: 855,101 km (0.074 R)
• M7: 934,538 km (0.034 R)
• M8: 1,188,705 km (0.094 R)
• M9: 1,312,422 km (0.056 R)
• M10: 1,697,038 km (0.042 R)
• M11: 2,102,000 km (0.062 R)
• M12: 2,435,902 km (0.116 R)
• M13: 2,550,943 km (0.053 R)
• M14: 2,638,458 km (0.106 R)
• M15: 2,876,767 km (0.096 R)
• M16: 3,632,984 km (0.075 R)
• M17: 4,050,362 km (0.114 R)
• M18: 4,118,579 km (0.091 R)
• M19: 4,290,766 km (0.057 R)
• M20: 4,767,684 km (0.103 R)
• M21: 4,966,799 km (0.101 R)
• M22: 5,187,157 km (0.093 R)
• M23: 5,242,807 km (0.101 R)
• M24: 5,542,751 km (0.086 R)
• M25: 6,100,601 km (0.068 R)
• M26: 6,696,449 km (0.089 R)
• M27: 7,667,190 km (0.082 R)
• M28: 7,900,712 km (0.056 R)
• M29: 8,072,002 km (0.1 R)
• M30: 8,287,872 km (0.085 R)
• M31: 8,769,577 km (0.093 R)
• M32: 8,991,430 km (0.09 R)
• M33: 9,237,818 km (0.072 R)
• M34: 10,036,222 km (0.103 R)
• M35: 10,268,398 km (0.102 R)
• M36: 11,431,671 km (0.095 R)
• M37: 11,504,226 km (0.108 R)
• M38: 11,747,322 km (0.119 R)
• M39: 12,139,718 km (0.074 R)
• M40: 12,411,986 km (0.113 R)
• M41: 12,586,267 km (0.118 R)
• M42: 12,711,331 km (0.111 R)
• M43: 13,751,934 km (0.049 R)
• M44: 13,932,349 km (0.048 R)
• M45: 14,373,663 km (0.085 R)
• M46: 14,478,232 km (0.055 R)
• M47: 14,819,763 km (0.065 R)
• M48: 15,483,828 km (0.079 R)
• M49: 16,511,865 km (0.051 R)
• M50: 17,061,787 km (0.096 R)
• M51: 17,366,817 km (0.1 R)
• M52: 17,785,541 km (0.118 R)
• M53: 19,176,801 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 10.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.52 AU - 5.48 AU

Year: 6164 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 29,271,269 km

• M1: 131,796 km (0.038 R)
• M2: 199,713 km (0.067 R)
• M3: 271,670 km (0.094 R)
• M4: 740,210 km (0.101 R)
• M5: 861,833 km (0.09 R)
• M6: 990,637 km (0.086 R)
• M7: 1,164,171 km (0.093 R)
• M8: 1,334,563 km (0.029 R)
• M9: 1,415,944 km (0.119 R)
• M10: 1,499,270 km (0.08 R)
• M11: 1,627,326 km (0.117 R)
• M12: 1,909,766 km (0.046 R)
• M13: 2,112,322 km (0.098 R)
• M14: 2,305,453 km (0.027 R)
• M15: 2,371,126 km (0.11 R)
• M16: 2,437,548 km (0.087 R)
• M17: 2,640,552 km (0.065 R)
• M18: 2,813,936 km (0.075 R)
• M19: 3,153,822 km (0.062 R)
• M20: 3,394,076 km (0.106 R)
• M21: 3,506,873 km (0.111 R)
• M22: 3,582,869 km (0.102 R)
• M23: 3,659,463 km (0.082 R)
• M24: 3,794,700 km (0.056 R)
• M25: 4,393,390 km (0.053 R)
• M26: 4,766,787 km (0.057 R)
• M27: 5,000,010 km (0.036 R)
• M28: 5,389,862 km (0.077 R)
• M29: 5,455,834 km (0.088 R)
• M30: 5,544,247 km (0.046 R)
• M31: 5,970,301 km (0.057 R)
• M32: 6,664,884 km (0.087 R)
• M33: 6,830,489 km (0.08 R)
• M34: 7,069,696 km (0.09 R)
• M35: 8,079,033 km (0.042 R)
• M36: 8,179,862 km (0.086 R)
• M37: 8,794,111 km (0.085 R)
• M38: 9,423,020 km (0.045 R)
• M39: 9,582,641 km (0.104 R)
• M40: 9,769,788 km (0.096 R)
• M41: 9,931,354 km (0.108 R)
• M42: 10,039,513 km (0.079 R)
• M43: 10,147,972 km (0.101 R)
• M44: 11,142,498 km (0.079 R)
• M45: 11,367,643 km (0.09 R)
• M46: 11,736,851 km (0.111 R)
• M47: 11,966,034 km (0.105 R)
• M48: 12,662,413 km (0.082 R)
• M49: 12,750,376 km (0.036 R)
• M50: 13,015,613 km (0.099 R)
• M51: 13,104,325 km (0.097 R)
• M52: 13,193,335 km (0.115 R)
• M53: 13,551,323 km (0.066 R)
• M54: 13,973,189 km (0.096 R)
• M55: 14,155,250 km (0.075 R)
• M56: 14,552,432 km (0.084 R)
• M57: 15,264,069 km (0.09 R)
• M58: 15,577,028 km (0.068 R)
• M59: 16,273,107 km (0.106 R)
• M60: 18,255,727 km (0.073 R)
• M61: 18,321,999 km (0.102 R)
• M62: 18,388,421 km (0.068 R)
• M63: 18,654,705 km (0.11 R)
• M64: 19,971,017 km (0.081 R)
• M65: 20,210,523 km (0.03 R)
• M66: 20,382,111 km (0.118 R)
• M67: 20,657,671 km (0.097 R)
• M68: 20,830,606 km (0.111 R)
• M69: 20,934,576 km (0.1 R)
• M70: 21,317,098 km (0.087 R)
• M71: 21,948,401 km (0.092 R)
• M72: 22,124,777 km (0.086 R)
• M73: 23,589,041 km (0.087 R)
• M74: 24,205,384 km (0.078 R)
• M75: 24,387,744 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 9.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.42 AU - 4.84 AU

Year: 6433 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 29,271,269 km

• M1: 151,543 km (0.112 R)
• M2: 228,436 km (0.115 R)
• M3: 304,132 km (0.12 R)
• M4: 926,759 km (0.078 R)
• M5: 1,021,454 km (0.07 R)
• M6: 1,148,014 km (0.086 R)
• M7: 1,875,359 km (0.046 R)
• M8: 1,961,826 km (0.056 R)
• M9: 2,623,947 km (0.073 R)
• M10: 2,682,140 km (0.116 R)
• M11: 3,163,097 km (0.078 R)
• M12: 3,714,216 km (0.113 R)
• M13: 3,779,889 km (0.109 R)
• M14: 3,978,855 km (0.101 R)
• M15: 4,203,999 km (0.117 R)
• M16: 4,272,366 km (0.116 R)
• M17: 4,456,521 km (0.104 R)
• M18: 4,928,352 km (0.03 R)
• M19: 5,341,990 km (0.11 R)
• M20: 5,540,507 km (0.086 R)
• M21: 5,766,848 km (0.119 R)
• M22: 6,099,105 km (0.096 R)
• M23: 6,595,920 km (0.111 R)
• M24: 6,916,508 km (0.107 R)
• M25: 7,461,942 km (0.08 R)
• M26: 7,768,019 km (0.11 R)
• M27: 7,880,217 km (0.107 R)
• M28: 8,191,830 km (0.117 R)
• M29: 8,392,291 km (0.097 R)
• M30: 8,478,759 km (0.115 R)
• M31: 8,652,442 km (0.077 R)
• M32: 8,710,486 km (0.081 R)
• M33: 10,175,647 km (0.109 R)
• M34: 11,015,340 km (0.044 R)
• M35: 11,204,881 km (0.095 R)
• M36: 11,268,310 km (0.109 R)
• M37: 11,363,753 km (0.103 R)
• M38: 11,427,482 km (0.088 R)
• M39: 11,523,225 km (0.099 R)
• M40: 11,812,397 km (0.037 R)
• M41: 11,974,113 km (0.12 R)
• M42: 12,038,889 km (0.076 R)
• M43: 12,234,263 km (0.073 R)
• M44: 12,992,725 km (0.111 R)
• M45: 13,193,036 km (0.107 R)
• M46: 13,834,362 km (0.089 R)
• M47: 13,936,538 km (0.108 R)
• M48: 14,313,375 km (0.084 R)
• M49: 14,693,652 km (0.066 R)
• M50: 14,797,922 km (0.047 R)
• M51: 15,077,072 km (0.093 R)
• M52: 15,182,239 km (0.071 R)
• M53: 15,358,166 km (0.068 R)
• M54: 15,711,816 km (0.062 R)
• M55: 15,889,687 km (0.064 R)
• M56: 15,996,800 km (0.092 R)
• M57: 16,104,061 km (0.084 R)
• M58: 16,427,342 km (0.06 R)
• M59: 16,535,501 km (0.095 R)
• M60: 17,080,337 km (0.083 R)
• M61: 18,150,111 km (0.068 R)
• M62: 18,449,157 km (0.091 R)
• M63: 18,825,097 km (0.091 R)
• M64: 19,737,793 km (0.086 R)
• M65: 19,968,174 km (0.118 R)
• M66: 20,276,795 km (0.063 R)
• M67: 20,431,778 km (0.12 R)
• M68: 20,781,687 km (0.07 R)
• M69: 20,859,777 km (0.12 R)
• M70: 22,241,314 km (0.094 R)
• M71: 22,401,084 km (0.057 R)
• M72: 22,481,119 km (0.075 R)
• M73: 22,842,398 km (0.102 R)
• M74: 23,530,099 km (0.099 R)
• M75: 23,733,702 km (0.043 R)
• M76: 24,019,584 km (0.1 R)
• M77: 24,677,515 km (0.093 R)
• M78: 24,760,243 km (0.091 R)
• M79: 24,925,848 km (0.103 R)
• M80: 25,133,340 km (0.104 R)
• M81: 25,675,632 km (0.111 R)
• M82: 25,885,219 km (0.089 R)
• M83: 26,602,092 km (0.08 R)
• M84: 27,282,612 km (0.116 R)
• M85: 27,453,752 km (0.038 R)
• M86: 27,711,061 km (0.089 R)
• M87: 28,748,073 km (0.071 R)
• M88: 29,009,271 km (0.032 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 10,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit