🌌 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: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.52 AU - 0.62 AU

Year: 278 Days

Day: 18.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.9 °

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: 30.9

Radius: 12.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.7 AU - 0.8 AU

Year: 419 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,624,198 km

• M1: 150,645 km (0.101 R)
• M2: 261,347 km (0.12 R)
• M3: 355,594 km (0.08 R)
• M4: 483,201 km (0.116 R)
• M5: 569,818 km (0.054 R)
• M6: 666,459 km (0.091 R)
• M7: 749,934 km (0.111 R)
• M8: 833,559 km (0.063 R)
• M9: 916,437 km (0.114 R)
• M10: 1,028,934 km (0.036 R)
• M11: 1,141,731 km (0.104 R)
• M12: 1,221,018 km (0.102 R)
• M13: 1,304,793 km (0.064 R)
• M14: 1,385,575 km (0.101 R)
• M15: 1,485,956 km (0.028 R)
• M16: 1,638,695 km (0.11 R)
• M17: 1,758,822 km (0.057 R)
• M18: 1,921,136 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 8.6

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.55 AU - 2.29 AU

Year: 1718 Days

Day: 14.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 34,624,198 km

• M1: 111,002 km (0.094 R)
• M2: 197,320 km (0.119 R)
• M3: 344,673 km (0.059 R)
• M4: 405,410 km (0.09 R)
• M5: 463,903 km (0.118 R)
• M6: 554,410 km (0.115 R)
• M7: 643,720 km (0.102 R)
• M8: 746,344 km (0.093 R)
• M9: 812,466 km (0.076 R)
• M10: 872,156 km (0.116 R)
• M11: 1,352,066 km (0.105 R)
• M12: 1,454,839 km (0.107 R)
• M13: 1,581,848 km (0.034 R)
• M14: 1,646,773 km (0.059 R)
• M15: 1,757,027 km (0.069 R)
• M16: 1,904,082 km (0.117 R)
• M17: 1,973,346 km (0.096 R)
• M18: 2,258,928 km (0.087 R)
• M19: 2,320,113 km (0.109 R)
• M20: 2,381,897 km (0.078 R)
• M21: 2,532,393 km (0.1 R)
• M22: 2,634,419 km (0.049 R)
• M23: 2,816,479 km (0.051 R)
• M24: 3,016,192 km (0.1 R)
• M25: 3,097,424 km (0.106 R)
• M26: 3,303,570 km (0.056 R)
• M27: 3,485,930 km (0.102 R)
• M28: 3,628,496 km (0.069 R)
• M29: 3,729,475 km (0.084 R)
• M30: 3,978,555 km (0.036 R)
• M31: 4,278,649 km (0.083 R)
• M32: 4,354,794 km (0.049 R)
• M33: 4,431,388 km (0.028 R)
• M34: 4,570,514 km (0.11 R)
• M35: 5,451,646 km (0.086 R)
• M36: 5,567,434 km (0.08 R)
• M37: 6,039,266 km (0.084 R)
• M38: 6,279,969 km (0.114 R)
• M39: 6,523,814 km (0.116 R)
• M40: 6,629,280 km (0.085 R)
• M41: 6,985,024 km (0.039 R)
• M42: 7,147,038 km (0.074 R)
• M43: 7,201,492 km (0.042 R)
• M44: 7,274,047 km (0.058 R)
• M45: 7,585,510 km (0.059 R)
• M46: 7,789,412 km (0.041 R)
• M47: 8,126,904 km (0.106 R)
• M48: 8,758,058 km (0.084 R)
• M49: 9,109,014 km (0.103 R)
• M50: 9,227,047 km (0.08 R)
• M51: 9,564,241 km (0.106 R)
• M52: 10,230,250 km (0.118 R)
• M53: 10,641,196 km (0.089 R)
• M54: 10,724,073 km (0.077 R)
• M55: 10,890,276 km (0.109 R)
• M56: 11,120,507 km (0.073 R)
• M57: 11,479,243 km (0.106 R)
• M58: 11,606,700 km (0.107 R)
• M59: 12,229,776 km (0.082 R)
• M60: 12,490,824 km (0.036 R)
• M61: 12,797,649 km (0.107 R)
• M62: 12,996,315 km (0.119 R)
• M63: 13,218,169 km (0.06 R)
• M64: 13,396,489 km (0.112 R)
• M65: 13,620,587 km (0.084 R)
• M66: 13,823,292 km (0.088 R)
• M67: 13,936,388 km (0.119 R)
• M68: 14,049,783 km (0.1 R)
• M69: 14,323,248 km (0.092 R)
• M70: 14,759,625 km (0.107 R)
• M71: 15,293,839 km (0.092 R)
• M72: 15,669,180 km (0.057 R)
• M73: 15,763,576 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 7.4

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.86 AU - 7.84 AU

Year: 12866 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 163.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 34,624,198 km

• M1: 169,494 km (0.095 R)
• M2: 353,350 km (0.09 R)
• M3: 413,489 km (0.114 R)
• M4: 617,241 km (0.082 R)
• M5: 711,338 km (0.065 R)
• M6: 851,661 km (0.109 R)
• M7: 1,708,707 km (0.095 R)
• M8: 2,095,866 km (0.102 R)
• M9: 2,329,239 km (0.087 R)
• M10: 2,418,848 km (0.065 R)
• M11: 2,540,172 km (0.105 R)
• M12: 3,013,350 km (0.042 R)
• M13: 3,685,942 km (0.032 R)
• M14: 4,147,451 km (0.113 R)
• M15: 4,329,961 km (0.038 R)
• M16: 4,440,663 km (0.077 R)
• M17: 4,778,455 km (0.046 R)
• M18: 4,969,641 km (0.099 R)
• M19: 5,124,475 km (0.107 R)
• M20: 5,241,610 km (0.101 R)
• M21: 5,963,420 km (0.117 R)
• M22: 6,210,855 km (0.064 R)
• M23: 6,461,730 km (0.112 R)
• M24: 7,586,856 km (0.075 R)
• M25: 7,945,143 km (0.072 R)
• M26: 8,354,742 km (0.065 R)
• M27: 8,958,668 km (0.081 R)
• M28: 9,866,428 km (0.056 R)
• M29: 10,012,436 km (0.107 R)
• M30: 10,504,314 km (0.035 R)
• M31: 11,358,368 km (0.027 R)
• M32: 11,562,719 km (0.047 R)
• M33: 11,871,339 km (0.104 R)
• M34: 13,454,683 km (0.117 R)
• M35: 13,725,006 km (0.096 R)
• M36: 13,888,068 km (0.099 R)
• M37: 14,106,481 km (0.107 R)
• M38: 14,436,195 km (0.038 R)
• M39: 16,698,713 km (0.111 R)
• M40: 17,398,681 km (0.039 R)
• M41: 17,752,181 km (0.089 R)
• M42: 18,827,191 km (0.031 R)
• M43: 19,800,325 km (0.078 R)
• M44: 20,107,749 km (0.08 R)
• M45: 21,542,393 km (0.096 R)
• M46: 23,009,648 km (0.085 R)
• M47: 24,180,252 km (0.104 R)
• M48: 24,574,891 km (0.117 R)
• M49: 24,971,475 km (0.037 R)
• M50: 25,037,747 km (0.102 R)
• M51: 26,106,773 km (0.053 R)
• M52: 26,918,342 km (0.065 R)
• M53: 28,289,257 km (0.081 R)
• M54: 28,566,162 km (0.063 R)
• M55: 28,635,426 km (0.111 R)
• M56: 29,682,611 km (0.104 R)
• M57: 29,893,544 km (0.074 R)
• M58: 30,105,075 km (0.096 R)
• M59: 30,742,362 km (0.079 R)
• M60: 31,241,122 km (0.094 R)
• M61: 32,463,486 km (0.097 R)
• M62: 33,262,787 km (0.08 R)
• M63: 33,774,711 km (0.069 R)
• M64: 34,363,080 km (0.093 R)
• M65: 34,658,535 km (0.098 R)
• M66: 34,954,739 km (0.118 R)
• M67: 35,028,940 km (0.106 R)
• M68: 36,223,329 km (0.059 R)
• M69: 37,431,033 km (0.11 R)
• M70: 37,659,020 km (0.103 R)
• M71: 37,735,016 km (0.059 R)
• M72: 38,268,930 km (0.059 R)
• M73: 38,651,901 km (0.075 R)
• M74: 40,196,200 km (0.115 R)
• M75: 40,429,573 km (0.111 R)
• M76: 41,524,779 km (0.1 R)
• M77: 43,026,442 km (0.081 R)
• M78: 44,064,202 km (0.107 R)
• M79: 44,385,239 km (0.057 R)
• M80: 45,676,867 km (0.049 R)
• M81: 47,801,905 km (0.041 R)
• M82: 48,710,563 km (0.117 R)
• M83: 48,793,589 km (0.049 R)
• M84: 49,541,728 km (0.116 R)
• M85: 52,317,367 km (0.025 R)
• M86: 52,827,346 km (0.106 R)
• M87: 53,253,700 km (0.092 R)
• M88: 54,453,475 km (0.025 R)
• M89: 56,356,659 km (0.07 R)
• M90: 58,193,721 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.4

Radius: 4.2

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.62 AU - 8.68 AU

Year: 15023 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 34,624,198 km

• M1: 180,714 km (0.092 R)
• M2: 893,847 km (0.085 R)
• M3: 1,296,415 km (0.045 R)
• M4: 1,330,823 km (0.097 R)
• M5: 1,616,854 km (0.106 R)
• M6: 1,672,654 km (0.1 R)
• M7: 1,980,825 km (0.093 R)
• M8: 2,182,334 km (0.091 R)
• M9: 3,006,319 km (0.12 R)
• M10: 3,890,592 km (0.108 R)
• M11: 3,990,673 km (0.083 R)
• M12: 4,117,083 km (0.092 R)
• M13: 4,347,763 km (0.111 R)
• M14: 4,399,673 km (0.085 R)
• M15: 4,741,804 km (0.072 R)
• M16: 4,768,432 km (0.115 R)
• M17: 4,929,549 km (0.094 R)
• M18: 5,174,441 km (0.115 R)
• M19: 5,647,918 km (0.108 R)
• M20: 6,815,679 km (0.098 R)
• M21: 7,457,603 km (0.041 R)
• M22: 7,519,836 km (0.117 R)
• M23: 7,896,224 km (0.079 R)
• M24: 10,384,187 km (0.103 R)
• M25: 10,488,456 km (0.12 R)
• M26: 11,049,897 km (0.091 R)
• M27: 11,120,807 km (0.104 R)
• M28: 11,621,211 km (0.101 R)
• M29: 13,053,312 km (0.055 R)
• M30: 13,505,097 km (0.12 R)
• M31: 14,617,806 km (0.088 R)
• M32: 15,008,257 km (0.09 R)
• M33: 15,521,078 km (0.037 R)
• M34: 16,160,011 km (0.049 R)
• M35: 16,482,693 km (0.051 R)
• M36: 17,052,512 km (0.036 R)
• M37: 17,216,471 km (0.042 R)
• M38: 17,257,610 km (0.046 R)
• M39: 18,842,600 km (0.032 R)
• M40: 18,969,758 km (0.061 R)
• M41: 19,267,458 km (0.063 R)
• M42: 20,560,582 km (0.048 R)
• M43: 20,778,845 km (0.118 R)
• M44: 24,604,661 km (0.081 R)
• M45: 25,301,937 km (0.115 R)
• M46: 27,001,668 km (0.077 R)
• M47: 27,097,111 km (0.119 R)
• M48: 28,737,901 km (0.094 R)
• M49: 30,014,120 km (0.03 R)
• M50: 31,559,915 km (0.041 R)
• M51: 31,710,859 km (0.115 R)
• M52: 32,064,060 km (0.083 R)
• M53: 33,797,749 km (0.057 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 13,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit