🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.5 AU - 0.52 AU

Year: 235 Days

Day: 16.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.49 AU - 0.63 AU

Year: 271 Days

Day: 12.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,793,045 km

• M1: 363,373 km (0.032 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.52 AU - 0.76 AU

Year: 331 Days

Day: 38.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 13.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.71 AU - 0.79 AU

Year: 419 Days

Day: 6.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 34,793,045 km

• M1: 180,864 km (0.11 R)
• M2: 271,371 km (0.095 R)
• M3: 382,971 km (0.101 R)
• M4: 571,913 km (0.118 R)
• M5: 700,417 km (0.078 R)
• M6: 790,326 km (0.092 R)
• M7: 905,666 km (0.119 R)
• M8: 1,105,379 km (0.087 R)
• M9: 1,240,615 km (0.12 R)
• M10: 1,385,875 km (0.063 R)
• M11: 1,490,294 km (0.112 R)
• M12: 1,623,586 km (0.098 R)
• M13: 1,711,998 km (0.109 R)
• M14: 1,797,418 km (0.065 R)
• M15: 1,944,922 km (0.085 R)
• M16: 2,252,196 km (0.114 R)
• M17: 2,351,529 km (0.076 R)
• M18: 2,565,155 km (0.105 R)
• M19: 2,705,926 km (0.036 R)
• M20: 2,817,227 km (0.106 R)
• M21: 2,978,942 km (0.086 R)
• M22: 3,071,992 km (0.075 R)
• M23: 3,205,134 km (0.06 R)
• M24: 3,317,632 km (0.092 R)
• M25: 3,419,957 km (0.091 R)
• M26: 3,517,644 km (0.041 R)
• M27: 3,627,898 km (0.105 R)
• M28: 3,762,985 km (0.077 R)
• M29: 3,875,931 km (0.098 R)
• M30: 3,965,840 km (0.088 R)
• M31: 4,086,864 km (0.114 R)
• M32: 4,221,502 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 13.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.02 AU - 1.04 AU

Year: 675 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,793,045 km

• M1: 168,447 km (0.111 R)
• M2: 270,623 km (0.047 R)
• M3: 354,846 km (0.034 R)
• M4: 458,517 km (0.091 R)
• M5: 581,487 km (0.108 R)
• M6: 680,670 km (0.106 R)
• M7: 812,167 km (0.118 R)
• M8: 896,241 km (0.076 R)
• M9: 1,008,589 km (0.095 R)
• M10: 1,100,292 km (0.072 R)
• M11: 1,191,697 km (0.08 R)
• M12: 1,334,114 km (0.104 R)
• M13: 1,486,105 km (0.097 R)
• M14: 1,636,900 km (0.118 R)
• M15: 1,731,296 km (0.075 R)
• M16: 1,938,040 km (0.067 R)
• M17: 2,038,570 km (0.083 R)
• M18: 2,140,895 km (0.117 R)
• M19: 2,278,675 km (0.072 R)
• M20: 2,406,581 km (0.085 R)
• M21: 2,558,872 km (0.097 R)
• M22: 2,660,748 km (0.109 R)
• M23: 2,764,120 km (0.083 R)
• M24: 2,850,587 km (0.1 R)
• M25: 2,988,816 km (0.095 R)
• M26: 3,153,224 km (0.101 R)
• M27: 3,238,943 km (0.116 R)
• M28: 3,339,922 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 11.6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.96 AU - 1.32 AU

Year: 786 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 34,793,045 km

• M1: 144,811 km (0.111 R)
• M2: 219,310 km (0.09 R)
• M3: 321,486 km (0.082 R)
• M4: 430,243 km (0.106 R)
• M5: 608,714 km (0.072 R)
• M6: 686,953 km (0.063 R)
• M7: 777,161 km (0.081 R)
• M8: 905,815 km (0.118 R)
• M9: 993,031 km (0.098 R)
• M10: 1,129,464 km (0.107 R)
• M11: 1,321,697 km (0.107 R)
• M12: 1,442,423 km (0.075 R)
• M13: 1,530,237 km (0.119 R)
• M14: 1,684,472 km (0.101 R)
• M15: 1,816,118 km (0.108 R)
• M16: 1,900,192 km (0.103 R)
• M17: 2,037,523 km (0.059 R)
• M18: 2,119,353 km (0.077 R)
• M19: 2,214,048 km (0.062 R)
• M20: 2,328,640 km (0.092 R)
• M21: 2,538,526 km (0.038 R)
• M22: 2,639,505 km (0.08 R)
• M23: 2,741,830 km (0.117 R)
• M24: 2,924,190 km (0.101 R)
• M25: 3,010,358 km (0.059 R)
• M26: 3,090,542 km (0.067 R)
• M27: 3,328,702 km (0.078 R)
• M28: 3,481,591 km (0.099 R)
• M29: 3,572,996 km (0.079 R)
• M30: 3,765,378 km (0.092 R)
• M31: 3,873,837 km (0.117 R)
• M32: 4,101,375 km (0.094 R)
• M33: 4,198,165 km (0.092 R)
• M34: 4,561,987 km (0.068 R)
• M35: 4,880,780 km (0.045 R)
• M36: 5,086,776 km (0.105 R)
• M37: 5,207,053 km (0.114 R)
• M38: 5,466,605 km (0.106 R)
• M39: 5,639,391 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 10.3

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.24 AU - 1.6 AU

Year: 1093 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 34,793,045 km

• M1: 134,937 km (0.041 R)
• M2: 200,760 km (0.112 R)
• M3: 289,921 km (0.051 R)
• M4: 478,115 km (0.073 R)
• M5: 603,777 km (0.12 R)
• M6: 671,246 km (0.098 R)
• M7: 835,205 km (0.03 R)
• M8: 926,011 km (0.065 R)
• M9: 1,110,615 km (0.084 R)
• M10: 1,299,407 km (0.067 R)
• M11: 1,439,730 km (0.106 R)
• M12: 1,576,462 km (0.071 R)
• M13: 1,744,760 km (0.105 R)
• M14: 1,900,342 km (0.045 R)
• M15: 1,975,141 km (0.108 R)
• M16: 2,118,306 km (0.047 R)
• M17: 2,235,441 km (0.113 R)
• M18: 2,445,626 km (0.119 R)
• M19: 2,693,659 km (0.069 R)
• M20: 3,037,435 km (0.111 R)
• M21: 3,203,489 km (0.101 R)
• M22: 3,293,248 km (0.118 R)
• M23: 3,372,534 km (0.05 R)
• M24: 3,475,458 km (0.087 R)
• M25: 3,590,947 km (0.069 R)
• M26: 3,696,115 km (0.083 R)
• M27: 3,981,398 km (0.065 R)
• M28: 4,163,458 km (0.071 R)
• M29: 4,249,328 km (0.104 R)
• M30: 4,323,528 km (0.115 R)
• M31: 4,624,220 km (0.067 R)
• M32: 4,726,096 km (0.114 R)
• M33: 4,841,436 km (0.107 R)
• M34: 5,206,604 km (0.087 R)
• M35: 5,499,816 km (0.099 R)
• M36: 5,621,290 km (0.069 R)
• M37: 5,743,810 km (0.109 R)
• M38: 5,908,368 km (0.07 R)
• M39: 5,977,482 km (0.085 R)
• M40: 6,158,346 km (0.103 R)
• M41: 6,326,793 km (0.053 R)
• M42: 6,440,039 km (0.116 R)
• M43: 6,539,671 km (0.117 R)
• M44: 6,870,581 km (0.04 R)
• M45: 7,030,801 km (0.116 R)
• M46: 7,207,177 km (0.118 R)
• M47: 7,399,709 km (0.072 R)
• M48: 7,624,106 km (0.111 R)
• M49: 7,790,010 km (0.084 R)
• M50: 7,987,629 km (0.107 R)
• M51: 8,079,482 km (0.112 R)
• M52: 8,171,634 km (0.118 R)
• M53: 8,795,008 km (0.113 R)
• M54: 8,969,140 km (0.1 R)
• M55: 9,304,688 km (0.102 R)
• M56: 9,530,731 km (0.103 R)
• M57: 9,758,718 km (0.065 R)
• M58: 9,889,766 km (0.043 R)
• M59: 10,419,641 km (0.117 R)
• M60: 10,603,946 km (0.059 R)
• M61: 10,924,983 km (0.119 R)
• M62: 11,078,022 km (0.053 R)
• M63: 11,197,700 km (0.106 R)
• M64: 11,283,419 km (0.118 R)
• M65: 11,455,457 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 12.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.95 AU - 2.15 AU

Year: 1895 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 34,793,045 km

• M1: 294,259 km (0.042 R)
• M2: 440,865 km (0.081 R)
• M3: 523,293 km (0.057 R)
• M4: 693,685 km (0.093 R)
• M5: 779,255 km (0.098 R)
• M6: 892,052 km (0.034 R)
• M7: 1,110,315 km (0.072 R)
• M8: 1,221,915 km (0.117 R)
• M9: 1,456,934 km (0.063 R)
• M10: 1,551,480 km (0.108 R)
• M11: 1,687,464 km (0.086 R)
• M12: 1,807,441 km (0.074 R)
• M13: 1,919,789 km (0.081 R)
• M14: 2,427,375 km (0.068 R)
• M15: 2,702,635 km (0.084 R)
• M16: 2,844,155 km (0.12 R)
• M17: 2,927,780 km (0.057 R)
• M18: 3,061,072 km (0.096 R)
• M19: 3,283,524 km (0.035 R)
• M20: 3,549,957 km (0.118 R)
• M21: 3,640,464 km (0.035 R)
• M22: 3,718,554 km (0.1 R)
• M23: 3,889,694 km (0.114 R)
• M24: 3,969,729 km (0.06 R)
• M25: 4,199,212 km (0.09 R)
• M26: 4,405,358 km (0.112 R)
• M27: 4,572,758 km (0.084 R)
• M28: 4,784,888 km (0.117 R)
• M29: 4,913,841 km (0.076 R)
• M30: 5,248,641 km (0.083 R)
• M31: 5,802,901 km (0.062 R)
• M32: 5,986,757 km (0.089 R)
• M33: 6,172,408 km (0.097 R)
• M34: 6,773,343 km (0.108 R)
• M35: 6,934,609 km (0.072 R)
• M36: 7,709,825 km (0.12 R)
• M37: 8,495,065 km (0.109 R)
• M38: 8,879,531 km (0.111 R)
• M39: 9,216,426 km (0.098 R)
• M40: 9,323,538 km (0.054 R)
• M41: 9,756,773 km (0.093 R)
• M42: 10,012,436 km (0.073 R)
• M43: 10,141,090 km (0.051 R)
• M44: 10,381,494 km (0.12 R)
• M45: 10,530,493 km (0.094 R)
• M46: 10,642,692 km (0.08 R)
• M47: 10,905,834 km (0.085 R)
• M48: 11,133,223 km (0.104 R)
• M49: 11,496,596 km (0.062 R)
• M50: 11,728,024 km (0.064 R)
• M51: 11,863,710 km (0.114 R)
• M52: 12,589,858 km (0.113 R)
• M53: 12,669,144 km (0.067 R)
• M54: 12,908,351 km (0.102 R)
• M55: 12,988,386 km (0.067 R)
• M56: 13,189,147 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.7

Radius: 6.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.65 AU - 10.75 AU

Year: 18018 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 34,793,045 km

• M1: 131,048 km (0.038 R)
• M2: 216,767 km (0.03 R)
• M3: 269,127 km (0.078 R)
• M4: 491,279 km (0.056 R)
• M5: 602,580 km (0.083 R)
• M6: 955,033 km (0.083 R)
• M7: 1,016,817 km (0.115 R)
• M8: 1,540,708 km (0.028 R)
• M9: 1,687,913 km (0.078 R)
• M10: 2,797,181 km (0.105 R)
• M11: 3,045,813 km (0.052 R)
• M12: 3,686,092 km (0.12 R)
• M13: 4,263,539 km (0.077 R)
• M14: 4,315,001 km (0.109 R)
• M15: 4,681,665 km (0.107 R)
• M16: 5,277,962 km (0.116 R)
• M17: 6,630,327 km (0.105 R)
• M18: 6,690,166 km (0.027 R)
• M19: 6,992,055 km (0.101 R)
• M20: 7,052,941 km (0.106 R)
• M21: 7,267,465 km (0.101 R)
• M22: 7,829,055 km (0.066 R)
• M23: 8,501,797 km (0.091 R)
• M24: 8,566,722 km (0.117 R)
• M25: 9,697,532 km (0.117 R)
• M26: 9,799,558 km (0.116 R)
• M27: 10,280,366 km (0.083 R)
• M28: 10,349,629 km (0.111 R)
• M29: 10,803,958 km (0.115 R)
• M30: 11,336,227 km (0.081 R)
• M31: 12,389,546 km (0.12 R)
• M32: 14,277,471 km (0.063 R)
• M33: 14,548,991 km (0.06 R)
• M34: 14,900,397 km (0.066 R)
• M35: 15,413,069 km (0.107 R)
• M36: 15,611,735 km (0.11 R)
• M37: 16,132,335 km (0.111 R)
• M38: 16,862,522 km (0.081 R)
• M39: 17,026,332 km (0.068 R)
• M40: 17,067,322 km (0.082 R)
• M41: 17,603,481 km (0.106 R)
• M42: 18,061,549 km (0.099 R)
• M43: 18,187,212 km (0.074 R)
• M44: 18,481,321 km (0.106 R)
• M45: 18,523,508 km (0.072 R)
• M46: 18,734,740 km (0.12 R)
• M47: 18,819,562 km (0.036 R)
• M48: 19,502,027 km (0.118 R)
• M49: 19,673,915 km (0.105 R)
• M50: 20,235,954 km (0.102 R)
• M51: 20,715,715 km (0.093 R)
• M52: 20,759,397 km (0.114 R)
• M53: 20,891,043 km (0.097 R)
• M54: 21,243,197 km (0.068 R)
• M55: 21,553,014 km (0.075 R)
• M56: 22,446,562 km (0.116 R)
• M57: 23,580,215 km (0.063 R)
• M58: 24,407,940 km (0.096 R)
• M59: 24,500,541 km (0.104 R)
• M60: 25,245,239 km (0.104 R)
• M61: 25,292,063 km (0.049 R)
• M62: 25,714,378 km (0.05 R)
• M63: 26,804,498 km (0.117 R)
• M64: 27,909,577 km (0.096 R)
• M65: 28,103,306 km (0.119 R)
• M66: 28,248,865 km (0.092 R)
• M67: 28,443,492 km (0.109 R)
• M68: 29,029,616 km (0.088 R)
• M69: 29,422,610 km (0.036 R)
• M70: 31,564,852 km (0.049 R)
• M71: 31,615,266 km (0.113 R)
• M72: 31,665,680 km (0.086 R)
• M73: 31,918,351 km (0.063 R)
• M74: 32,273,048 km (0.089 R)
• M75: 32,323,911 km (0.114 R)
• M76: 32,731,266 km (0.07 R)
• M77: 33,242,741 km (0.039 R)
• M78: 33,705,298 km (0.095 R)
• M79: 34,636,993 km (0.043 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 18,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit