🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.45 AU - 0.63 AU

Year: 260 Days

Day: 13.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,976,014 km

• M1: 154,385 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.6

Radius: 14.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.52 AU - 0.84 AU

Year: 368 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,976,014 km

• M1: 184,454 km (0.115 R)
• M2: 278,850 km (0.1 R)
• M3: 385,215 km (0.071 R)
• M4: 478,264 km (0.067 R)
• M5: 604,076 km (0.04 R)
• M6: 740,809 km (0.081 R)
• M7: 835,803 km (0.12 R)
• M8: 975,528 km (0.11 R)
• M9: 1,102,836 km (0.108 R)
• M10: 1,210,696 km (0.083 R)
• M11: 1,337,405 km (0.098 R)
• M12: 1,516,773 km (0.119 R)
• M13: 1,767,349 km (0.12 R)
• M14: 2,144,336 km (0.089 R)
• M15: 2,296,028 km (0.118 R)
• M16: 2,595,822 km (0.068 R)
• M17: 3,129,139 km (0.046 R)
• M18: 3,355,331 km (0.118 R)
• M19: 3,581,672 km (0.061 R)
• M20: 3,718,853 km (0.068 R)
• M21: 3,863,515 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342

Radius: 13.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.59 AU - 0.79 AU

Year: 376 Days

Day: 10.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,976,014 km

• M1: 175,179 km (0.053 R)
• M2: 262,544 km (0.053 R)
• M3: 368,011 km (0.03 R)
• M4: 479,162 km (0.115 R)
• M5: 577,149 km (0.114 R)
• M6: 668,403 km (0.086 R)
• M7: 755,918 km (0.119 R)
• M8: 913,145 km (0.038 R)
• M9: 1,030,729 km (0.108 R)
• M10: 1,235,230 km (0.104 R)
• M11: 1,399,937 km (0.082 R)
• M12: 1,491,491 km (0.107 R)
• M13: 1,615,507 km (0.032 R)
• M14: 1,703,172 km (0.118 R)
• M15: 1,806,095 km (0.066 R)
• M16: 1,892,712 km (0.116 R)
• M17: 1,999,675 km (0.045 R)
• M18: 2,142,391 km (0.067 R)
• M19: 2,239,480 km (0.108 R)
• M20: 2,333,128 km (0.101 R)
• M21: 2,509,205 km (0.104 R)
• M22: 2,642,946 km (0.115 R)
• M23: 2,752,750 km (0.119 R)
• M24: 2,880,208 km (0.099 R)
• M25: 3,042,372 km (0.065 R)
• M26: 3,152,177 km (0.119 R)
• M27: 3,325,112 km (0.07 R)
• M28: 3,501,338 km (0.094 R)
• M29: 3,639,866 km (0.103 R)
• M30: 3,745,033 km (0.116 R)
• M31: 3,934,574 km (0.102 R)
• M32: 4,054,551 km (0.108 R)
• M33: 4,194,276 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 14.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.36 AU - 2.16 AU

Year: 1532 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,976,014 km

• M1: 184,753 km (0.102 R)
• M2: 277,354 km (0.105 R)
• M3: 455,226 km (0.074 R)
• M4: 546,780 km (0.113 R)
• M5: 795,113 km (0.076 R)
• M6: 1,100,592 km (0.108 R)
• M7: 1,308,832 km (0.09 R)
• M8: 1,431,203 km (0.049 R)
• M9: 1,632,711 km (0.074 R)
• M10: 1,793,828 km (0.064 R)
• M11: 1,997,580 km (0.105 R)
• M12: 2,247,708 km (0.098 R)
• M13: 2,372,921 km (0.085 R)
• M14: 2,476,294 km (0.116 R)
• M15: 2,854,776 km (0.086 R)
• M16: 3,033,845 km (0.051 R)
• M17: 3,137,965 km (0.108 R)
• M18: 3,448,530 km (0.068 R)
• M19: 3,557,288 km (0.096 R)
• M20: 3,741,293 km (0.061 R)
• M21: 3,966,288 km (0.117 R)
• M22: 4,061,433 km (0.117 R)
• M23: 4,479,259 km (0.118 R)
• M24: 4,748,685 km (0.054 R)
• M25: 5,023,646 km (0.083 R)
• M26: 5,168,307 km (0.114 R)
• M27: 5,261,956 km (0.113 R)
• M28: 5,366,824 km (0.051 R)
• M29: 5,514,776 km (0.041 R)
• M30: 6,076,217 km (0.092 R)
• M31: 6,475,793 km (0.047 R)
• M32: 6,656,208 km (0.119 R)
• M33: 7,091,388 km (0.112 R)
• M34: 7,512,207 km (0.048 R)
• M35: 7,630,539 km (0.08 R)
• M36: 7,761,437 km (0.095 R)
• M37: 8,219,505 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 12.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.53 AU - 2.09 AU

Year: 1597 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,976,014 km

• M1: 218,712 km (0.102 R)
• M2: 307,872 km (0.113 R)
• M3: 411,095 km (0.086 R)
• M4: 499,358 km (0.111 R)
• M5: 659,278 km (0.11 R)
• M6: 816,505 km (0.117 R)
• M7: 894,446 km (0.11 R)
• M8: 998,865 km (0.076 R)
• M9: 1,419,085 km (0.113 R)
• M10: 1,543,102 km (0.065 R)
• M11: 1,649,317 km (0.078 R)
• M12: 1,809,835 km (0.074 R)
• M13: 1,892,114 km (0.102 R)
• M14: 2,060,561 km (0.065 R)
• M15: 2,218,237 km (0.071 R)
• M16: 2,681,093 km (0.105 R)
• M17: 2,941,543 km (0.113 R)
• M18: 3,137,965 km (0.073 R)
• M19: 3,609,946 km (0.108 R)
• M20: 3,811,006 km (0.105 R)
• M21: 3,907,945 km (0.065 R)
• M22: 3,986,185 km (0.119 R)
• M23: 4,244,092 km (0.05 R)
• M24: 4,630,952 km (0.058 R)
• M25: 4,745,095 km (0.106 R)
• M26: 5,039,952 km (0.116 R)
• M27: 5,136,144 km (0.118 R)
• M28: 5,570,576 km (0.116 R)
• M29: 5,736,480 km (0.11 R)
• M30: 5,836,860 km (0.039 R)
• M31: 6,141,741 km (0.115 R)
• M32: 6,232,995 km (0.098 R)
• M33: 6,428,520 km (0.119 R)
• M34: 6,825,852 km (0.107 R)
• M35: 6,944,184 km (0.066 R)
• M36: 7,363,955 km (0.119 R)
• M37: 7,497,546 km (0.117 R)
• M38: 7,583,116 km (0.064 R)
• M39: 7,693,519 km (0.113 R)
• M40: 7,866,155 km (0.117 R)
• M41: 8,303,879 km (0.086 R)
• M42: 8,646,907 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 13.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.45 AU - 3.99 AU

Year: 3790 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 73,976,014 km

• M1: 189,391 km (0.1 R)
• M2: 290,220 km (0.115 R)
• M3: 746,344 km (0.115 R)
• M4: 977,173 km (0.042 R)
• M5: 1,063,342 km (0.098 R)
• M6: 1,291,030 km (0.056 R)
• M7: 1,435,691 km (0.104 R)
• M8: 1,741,918 km (0.111 R)
• M9: 2,013,288 km (0.054 R)
• M10: 2,372,323 km (0.1 R)
• M11: 2,582,358 km (0.092 R)
• M12: 2,674,361 km (0.048 R)
• M13: 2,973,108 km (0.062 R)
• M14: 3,102,211 km (0.111 R)
• M15: 3,315,986 km (0.078 R)
• M16: 3,551,753 km (0.064 R)
• M17: 3,758,347 km (0.105 R)
• M18: 4,165,553 km (0.114 R)
• M19: 4,438,868 km (0.067 R)
• M20: 4,531,320 km (0.12 R)
• M21: 4,680,618 km (0.099 R)
• M22: 4,888,559 km (0.1 R)
• M23: 5,274,522 km (0.115 R)
• M24: 5,451,346 km (0.119 R)
• M25: 5,872,016 km (0.068 R)
• M26: 6,261,718 km (0.085 R)
• M27: 6,851,433 km (0.109 R)
• M28: 7,393,127 km (0.042 R)
• M29: 7,525,222 km (0.03 R)
• M30: 7,903,704 km (0.077 R)
• M31: 8,265,731 km (0.1 R)
• M32: 8,448,839 km (0.107 R)
• M33: 8,633,144 km (0.078 R)
• M34: 8,772,419 km (0.076 R)
• M35: 9,551,375 km (0.081 R)
• M36: 10,180,733 km (0.07 R)
• M37: 10,352,472 km (0.103 R)
• M38: 10,549,941 km (0.113 R)
• M39: 11,403,247 km (0.095 R)
• M40: 12,070,753 km (0.105 R)
• M41: 12,803,783 km (0.065 R)
• M42: 13,095,648 km (0.054 R)
• M43: 13,875,950 km (0.094 R)
• M44: 14,012,085 km (0.094 R)
• M45: 14,450,406 km (0.091 R)
• M46: 14,560,810 km (0.086 R)
• M47: 14,921,191 km (0.076 R)
• M48: 15,116,566 km (0.073 R)
• M49: 15,256,589 km (0.105 R)
• M50: 16,449,931 km (0.099 R)
• M51: 16,883,316 km (0.029 R)
• M52: 17,232,777 km (0.12 R)
• M53: 18,117,050 km (0.083 R)
• M54: 18,504,808 km (0.073 R)
• M55: 18,594,716 km (0.06 R)
• M56: 18,985,765 km (0.066 R)
• M57: 19,531,947 km (0.096 R)
• M58: 20,021,730 km (0.085 R)
• M59: 20,391,686 km (0.109 R)
• M60: 20,546,520 km (0.074 R)
• M61: 20,857,384 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.7

Radius: 4.9

Gravity: 30.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.81 AU - 10.67 AU

Year: 18425 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 73,976,014 km

• M1: 170,542 km (0.031 R)
• M2: 254,466 km (0.094 R)
• M3: 318,793 km (0.091 R)
• M4: 464,352 km (0.096 R)
• M5: 1,147,266 km (0.043 R)
• M6: 1,400,685 km (0.026 R)
• M7: 1,609,523 km (0.085 R)
• M8: 1,764,956 km (0.043 R)
• M9: 2,123,542 km (0.09 R)
• M10: 2,157,201 km (0.069 R)
• M11: 2,191,160 km (0.117 R)
• M12: 3,406,194 km (0.098 R)
• M13: 3,485,630 km (0.12 R)
• M14: 4,312,159 km (0.091 R)
• M15: 4,484,495 km (0.082 R)
• M16: 4,571,561 km (0.112 R)
• M17: 5,705,663 km (0.115 R)
• M18: 6,376,908 km (0.114 R)
• M19: 7,123,402 km (0.098 R)
• M20: 7,174,115 km (0.099 R)
• M21: 8,320,634 km (0.116 R)
• M22: 10,201,378 km (0.049 R)
• M23: 10,315,970 km (0.061 R)
• M24: 11,071,140 km (0.093 R)
• M25: 11,663,996 km (0.111 R)
• M26: 12,085,114 km (0.046 R)
• M27: 14,585,643 km (0.07 R)
• M28: 16,159,861 km (0.047 R)
• M29: 17,787,037 km (0.109 R)
• M30: 18,619,998 km (0.07 R)
• M31: 20,323,768 km (0.112 R)
• M32: 21,781,300 km (0.105 R)
• M33: 21,855,052 km (0.114 R)
• M34: 22,150,807 km (0.101 R)
• M35: 22,448,058 km (0.051 R)
• M36: 22,522,558 km (0.098 R)
• M37: 22,821,305 km (0.089 R)
• M38: 25,724,850 km (0.064 R)
• M39: 26,586,833 km (0.116 R)
• M40: 26,744,509 km (0.093 R)
• M41: 26,823,497 km (0.101 R)
• M42: 27,140,345 km (0.068 R)
• M43: 27,299,068 km (0.078 R)
• M44: 29,066,417 km (0.065 R)
• M45: 29,718,215 km (0.025 R)
• M46: 30,127,964 km (0.085 R)
• M47: 31,451,905 km (0.074 R)
• M48: 31,953,357 km (0.093 R)
• M49: 32,037,132 km (0.057 R)
• M50: 33,388,150 km (0.105 R)
• M51: 33,985,046 km (0.107 R)
• M52: 35,189,458 km (0.106 R)
• M53: 35,970,958 km (0.115 R)
• M54: 36,933,919 km (0.056 R)
• M55: 37,198,109 km (0.071 R)
• M56: 38,528,034 km (0.114 R)
• M57: 39,243,710 km (0.074 R)
• M58: 40,325,452 km (0.104 R)
• M59: 41,051,900 km (0.1 R)
• M60: 41,599,727 km (0.067 R)
• M61: 42,241,801 km (0.104 R)
• M62: 42,702,413 km (0.097 R)
• M63: 46,447,147 km (0.117 R)
• M64: 46,827,425 km (0.045 R)
• M65: 47,304,043 km (0.066 R)
• M66: 47,974,242 km (0.084 R)
• M67: 48,551,091 km (0.12 R)
• M68: 48,936,904 km (0.064 R)
• M69: 50,783,690 km (0.119 R)
• M70: 51,077,351 km (0.07 R)
• M71: 51,961,624 km (0.065 R)
• M72: 52,158,943 km (0.119 R)
• M73: 53,446,831 km (0.097 R)
• M74: 56,458,835 km (0.034 R)
• M75: 58,497,106 km (0.043 R)
• M76: 58,599,730 km (0.117 R)
• M77: 59,010,526 km (0.088 R)
• M78: 59,628,514 km (0.106 R)
• M79: 59,731,737 km (0.071 R)
• M80: 59,938,332 km (0.087 R)
• M81: 61,182,836 km (0.067 R)
• M82: 61,286,956 km (0.109 R)
• M83: 61,495,346 km (0.096 R)
• M84: 62,121,862 km (0.113 R)
• M85: 64,225,507 km (0.098 R)
• M86: 65,818,426 km (0.079 R)
• M87: 66,138,715 km (0.082 R)
• M88: 66,673,377 km (0.106 R)
• M89: 67,747,191 km (0.058 R)
• M90: 70,129,687 km (0.099 R)
• M91: 70,238,594 km (0.092 R)
• M92: 70,674,971 km (0.063 R)
• M93: 72,870,020 km (0.096 R)
• M94: 73,311,783 km (0.069 R)
• M95: 73,754,443 km (0.114 R)
• M96: 73,975,997 km (0.097 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: 411 - 20,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit