🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.53 AU - 0.75 AU

Year: 336 Days

Day: 29 Hours

Environment

Temp: -131 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.73 AU

Year: 352 Days

Day: 19.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 11.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.61 AU - 0.93 AU

Year: 443 Days

Day: 12.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,940,896 km

• M1: 144,960 km (0.067 R)
• M2: 229,034 km (0.096 R)
• M3: 310,715 km (0.053 R)
• M4: 408,552 km (0.092 R)
• M5: 492,925 km (0.088 R)
• M6: 586,124 km (0.085 R)
• M7: 671,395 km (0.092 R)
• M8: 813,812 km (0.051 R)
• M9: 1,005,597 km (0.101 R)
• M10: 1,080,097 km (0.103 R)
• M11: 1,256,173 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 10.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.79 AU - 1.25 AU

Year: 676 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 55,940,896 km

• M1: 132,095 km (0.083 R)
• M2: 260,749 km (0.037 R)
• M3: 373,396 km (0.043 R)
• M4: 503,846 km (0.104 R)
• M5: 664,514 km (0.116 R)
• M6: 733,927 km (0.04 R)
• M7: 801,545 km (0.113 R)
• M8: 890,407 km (0.117 R)
• M9: 1,018,163 km (0.065 R)
• M10: 1,115,551 km (0.096 R)
• M11: 1,216,231 km (0.032 R)
• M12: 1,292,526 km (0.066 R)
• M13: 1,359,246 km (0.048 R)
• M14: 1,455,886 km (0.086 R)
• M15: 1,531,433 km (0.119 R)
• M16: 1,626,278 km (0.053 R)
• M17: 1,735,485 km (0.07 R)
• M18: 1,916,648 km (0.106 R)
• M19: 2,019,422 km (0.095 R)
• M20: 2,264,164 km (0.103 R)
• M21: 2,469,711 km (0.117 R)
• M22: 2,610,184 km (0.097 R)
• M23: 2,688,723 km (0.117 R)
• M24: 2,928,827 km (0.112 R)
• M25: 3,003,028 km (0.11 R)
• M26: 3,161,003 km (0.117 R)
• M27: 3,290,854 km (0.12 R)
• M28: 3,563,870 km (0.108 R)
• M29: 3,844,366 km (0.083 R)
• M30: 3,925,747 km (0.117 R)
• M31: 4,032,560 km (0.045 R)
• M32: 4,132,043 km (0.045 R)
• M33: 4,409,846 km (0.119 R)
• M34: 4,486,590 km (0.09 R)
• M35: 4,589,812 km (0.11 R)
• M36: 4,824,681 km (0.095 R)
• M37: 5,027,984 km (0.108 R)
• M38: 5,342,888 km (0.065 R)
• M39: 5,534,972 km (0.12 R)
• M40: 5,785,249 km (0.119 R)
• M41: 5,860,048 km (0.073 R)
• M42: 6,105,687 km (0.078 R)
• M43: 6,364,342 km (0.096 R)
• M44: 6,451,408 km (0.095 R)
• M45: 6,636,461 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 13.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.77 AU - 1.27 AU

Year: 676 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,940,896 km

• M1: 169,195 km (0.068 R)
• M2: 264,639 km (0.102 R)
• M3: 502,200 km (0.106 R)
• M4: 604,375 km (0.106 R)
• M5: 691,741 km (0.109 R)
• M6: 781,200 km (0.114 R)
• M7: 872,006 km (0.072 R)
• M8: 1,062,294 km (0.054 R)
• M9: 1,150,557 km (0.072 R)
• M10: 1,282,203 km (0.087 R)
• M11: 1,400,086 km (0.108 R)
• M12: 1,517,670 km (0.118 R)
• M13: 1,618,499 km (0.096 R)
• M14: 1,780,364 km (0.103 R)
• M15: 1,904,530 km (0.044 R)
• M16: 1,991,746 km (0.11 R)
• M17: 2,089,583 km (0.084 R)
• M18: 2,184,428 km (0.097 R)
• M19: 2,294,682 km (0.119 R)
• M20: 2,397,306 km (0.069 R)
• M21: 2,602,853 km (0.119 R)
• M22: 2,690,667 km (0.101 R)
• M23: 2,874,224 km (0.105 R)
• M24: 2,985,525 km (0.104 R)
• M25: 3,181,199 km (0.109 R)
• M26: 3,291,153 km (0.077 R)
• M27: 3,375,826 km (0.083 R)
• M28: 3,634,181 km (0.086 R)
• M29: 3,810,258 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 10.3

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.88 AU - 1.44 AU

Year: 820 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 55,940,896 km

• M1: 144,362 km (0.111 R)
• M2: 209,587 km (0.065 R)
• M3: 276,158 km (0.074 R)
• M4: 384,616 km (0.101 R)
• M5: 457,620 km (0.1 R)
• M6: 541,544 km (0.066 R)
• M7: 659,278 km (0.093 R)
• M8: 792,570 km (0.05 R)
• M9: 961,017 km (0.114 R)
• M10: 1,046,587 km (0.116 R)
• M11: 1,134,849 km (0.075 R)
• M12: 1,297,612 km (0.111 R)
• M13: 1,363,435 km (0.12 R)
• M14: 1,560,306 km (0.11 R)
• M15: 1,662,332 km (0.115 R)
• M16: 1,742,366 km (0.068 R)
• M17: 1,948,213 km (0.077 R)
• M18: 2,049,940 km (0.076 R)
• M19: 2,162,288 km (0.099 R)
• M20: 2,330,136 km (0.066 R)
• M21: 2,447,571 km (0.075 R)
• M22: 3,123,304 km (0.102 R)
• M23: 3,253,155 km (0.095 R)
• M24: 3,456,459 km (0.102 R)
• M25: 3,549,359 km (0.08 R)
• M26: 3,664,101 km (0.102 R)
• M27: 3,833,146 km (0.057 R)
• M28: 3,918,567 km (0.047 R)
• M29: 4,278,050 km (0.103 R)
• M30: 4,445,002 km (0.085 R)
• M31: 4,523,690 km (0.064 R)
• M32: 4,602,827 km (0.1 R)
• M33: 4,843,081 km (0.106 R)
• M34: 5,052,219 km (0.037 R)
• M35: 5,134,349 km (0.026 R)
• M36: 5,288,135 km (0.088 R)
• M37: 5,371,611 km (0.114 R)
• M38: 5,491,588 km (0.1 R)
• M39: 5,648,965 km (0.094 R)
• M40: 5,869,323 km (0.049 R)
• M41: 6,547,300 km (0.104 R)
• M42: 6,649,775 km (0.116 R)
• M43: 6,752,848 km (0.116 R)
• M44: 6,843,504 km (0.081 R)
• M45: 7,436,061 km (0.032 R)
• M46: 7,813,198 km (0.115 R)
• M47: 8,058,837 km (0.109 R)
• M48: 8,307,020 km (0.075 R)
• M49: 8,515,859 km (0.05 R)
• M50: 8,613,995 km (0.103 R)
• M51: 8,910,348 km (0.08 R)
• M52: 8,995,619 km (0.085 R)
• M53: 9,181,420 km (0.083 R)
• M54: 9,339,694 km (0.12 R)
• M55: 9,469,695 km (0.109 R)
• M56: 9,542,250 km (0.119 R)
• M57: 9,731,790 km (0.077 R)
• M58: 9,849,075 km (0.118 R)
• M59: 9,937,338 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 10.2

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.61 AU - 1.63 AU

Year: 1353 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 55,940,896 km

• M1: 166,353 km (0.114 R)
• M2: 255,812 km (0.082 R)
• M3: 391,049 km (0.1 R)
• M4: 595,250 km (0.096 R)
• M5: 678,576 km (0.106 R)
• M6: 796,609 km (0.092 R)
• M7: 866,321 km (0.053 R)
• M8: 979,118 km (0.027 R)
• M9: 1,131,708 km (0.114 R)
• M10: 1,274,424 km (0.088 R)
• M11: 1,348,026 km (0.076 R)
• M12: 1,480,421 km (0.071 R)
• M13: 1,597,556 km (0.086 R)
• M14: 1,810,134 km (0.05 R)
• M15: 1,893,610 km (0.034 R)
• M16: 2,021,217 km (0.101 R)
• M17: 2,207,167 km (0.092 R)
• M18: 2,285,407 km (0.092 R)
• M19: 2,678,699 km (0.112 R)
• M20: 2,762,325 km (0.116 R)
• M21: 2,993,902 km (0.089 R)
• M22: 3,333,938 km (0.097 R)
• M23: 3,476,056 km (0.089 R)
• M24: 3,554,445 km (0.106 R)
• M25: 3,686,540 km (0.097 R)
• M26: 4,272,665 km (0.096 R)
• M27: 4,356,739 km (0.119 R)
• M28: 4,641,274 km (0.119 R)
• M29: 4,785,785 km (0.069 R)
• M30: 4,858,640 km (0.08 R)
• M31: 4,946,454 km (0.097 R)
• M32: 5,668,712 km (0.044 R)
• M33: 5,885,629 km (0.07 R)
• M34: 6,057,966 km (0.076 R)
• M35: 6,184,376 km (0.077 R)
• M36: 6,862,503 km (0.1 R)
• M37: 6,928,326 km (0.075 R)
• M38: 7,093,781 km (0.033 R)
• M39: 7,310,848 km (0.117 R)
• M40: 7,428,731 km (0.07 R)
• M41: 7,717,455 km (0.109 R)
• M42: 7,906,397 km (0.115 R)
• M43: 8,044,625 km (0.05 R)
• M44: 8,341,128 km (0.066 R)
• M45: 8,446,745 km (0.083 R)
• M46: 9,089,267 km (0.112 R)
• M47: 9,416,438 km (0.103 R)
• M48: 9,489,741 km (0.045 R)
• M49: 9,581,594 km (0.112 R)
• M50: 9,673,746 km (0.097 R)
• M51: 9,766,048 km (0.094 R)
• M52: 9,914,599 km (0.113 R)
• M53: 10,421,287 km (0.092 R)
• M54: 10,572,979 km (0.059 R)
• M55: 10,955,650 km (0.068 R)
• M56: 11,110,035 km (0.108 R)
• M57: 11,187,378 km (0.091 R)
• M58: 11,303,914 km (0.083 R)
• M59: 11,459,945 km (0.108 R)
• M60: 11,833,192 km (0.063 R)
• M61: 12,250,420 km (0.054 R)
• M62: 12,611,848 km (0.083 R)
• M63: 12,692,631 km (0.094 R)
• M64: 12,915,831 km (0.065 R)
• M65: 13,017,708 km (0.11 R)
• M66: 13,469,044 km (0.07 R)
• M67: 13,862,935 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.1

Radius: 7

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.2 AU - 6.82 AU

Year: 10896 Days

Day: 21 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 55,940,896 km

• M1: 96,191 km (0.079 R)
• M2: 151,543 km (0.12 R)
• M3: 281,842 km (0.116 R)
• M4: 517,160 km (0.032 R)
• M5: 656,136 km (0.083 R)
• M6: 807,529 km (0.103 R)
• M7: 1,077,404 km (0.11 R)
• M8: 1,748,350 km (0.099 R)
• M9: 2,042,011 km (0.062 R)
• M10: 3,012,901 km (0.074 R)
• M11: 3,396,919 km (0.106 R)
• M12: 3,864,711 km (0.075 R)
• M13: 4,531,469 km (0.073 R)
• M14: 4,970,838 km (0.047 R)
• M15: 5,082,737 km (0.104 R)
• M16: 5,309,228 km (0.118 R)
• M17: 6,087,885 km (0.101 R)
• M18: 7,026,911 km (0.08 R)
• M19: 8,273,959 km (0.106 R)
• M20: 9,127,415 km (0.093 R)
• M21: 9,356,748 km (0.102 R)
• M22: 9,495,126 km (0.09 R)
• M23: 9,680,927 km (0.089 R)
• M24: 9,867,775 km (0.107 R)
• M25: 9,961,573 km (0.077 R)
• M26: 10,435,499 km (0.028 R)
• M27: 10,483,370 km (0.093 R)
• M28: 11,209,069 km (0.115 R)
• M29: 11,503,927 km (0.116 R)
• M30: 11,602,811 km (0.115 R)
• M31: 11,652,328 km (0.108 R)
• M32: 11,900,959 km (0.061 R)
• M33: 12,001,040 km (0.077 R)
• M34: 13,586,030 km (0.062 R)
• M35: 14,323,248 km (0.082 R)
• M36: 14,376,355 km (0.115 R)
• M37: 14,482,869 km (0.107 R)
• M38: 14,643,088 km (0.046 R)
• M39: 14,911,467 km (0.109 R)
• M40: 15,671,574 km (0.093 R)
• M41: 16,947,644 km (0.1 R)
• M42: 17,683,516 km (0.107 R)
• M43: 17,740,512 km (0.097 R)
• M44: 18,429,710 km (0.119 R)
• M45: 19,186,376 km (0.101 R)
• M46: 19,303,660 km (0.118 R)
• M47: 20,012,306 km (0.105 R)
• M48: 20,489,672 km (0.089 R)
• M49: 20,669,489 km (0.106 R)
• M50: 21,030,917 km (0.116 R)
• M51: 21,091,355 km (0.088 R)
• M52: 21,637,986 km (0.103 R)
• M53: 22,621,292 km (0.112 R)
• M54: 23,180,639 km (0.035 R)
• M55: 23,368,235 km (0.096 R)
• M56: 23,996,845 km (0.068 R)
• M57: 24,886,204 km (0.095 R)
• M58: 26,631,862 km (0.06 R)
• M59: 26,828,284 km (0.095 R)
• M60: 27,420,243 km (0.091 R)
• M61: 27,486,365 km (0.055 R)
• M62: 27,618,609 km (0.061 R)
• M63: 29,967,146 km (0.077 R)
• M64: 32,588,400 km (0.085 R)
• M65: 34,852,265 km (0.079 R)
• M66: 35,210,552 km (0.031 R)
• M67: 35,714,098 km (0.12 R)
• M68: 36,728,521 km (0.12 R)
• M69: 37,020,087 km (0.101 R)
• M70: 37,093,091 km (0.05 R)
• M71: 37,825,971 km (0.086 R)
• M72: 38,341,785 km (0.088 R)
• M73: 39,156,943 km (0.095 R)
• M74: 40,052,736 km (0.04 R)
• M75: 40,729,067 km (0.098 R)
• M76: 42,321,836 km (0.096 R)
• M77: 43,780,266 km (0.076 R)
• M78: 44,012,142 km (0.095 R)
• M79: 44,399,302 km (0.061 R)
• M80: 44,632,226 km (0.101 R)
• M81: 46,509,828 km (0.117 R)
• M82: 47,062,293 km (0.07 R)
• M83: 47,299,855 km (0.114 R)
• M84: 47,775,875 km (0.092 R)
• M85: 50,018,646 km (0.084 R)
• M86: 50,341,778 km (0.088 R)
• M87: 50,665,657 km (0.071 R)
• M88: 51,886,376 km (0.052 R)
• M89: 52,295,376 km (0.1 R)
• M90: 52,787,703 km (0.114 R)
• M91: 53,116,669 km (0.073 R)
• M92: 53,199,097 km (0.06 R)
• M93: 54,025,027 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 16,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit