🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.4 AU - 0.66 AU

Year: 253 Days

Day: 39 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 36.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,530,800 km

• M1: 44,580 km (0.044 R)
• M2: 335,997 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.1

Radius: 9.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.94 AU - 1.28 AU

Year: 767 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,530,800 km

• M1: 126,410 km (0.06 R)
• M2: 185,053 km (0.098 R)
• M3: 247,734 km (0.12 R)
• M4: 336,894 km (0.057 R)
• M5: 432,787 km (0.03 R)
• M6: 651,349 km (0.051 R)
• M7: 711,637 km (0.075 R)
• M8: 890,107 km (0.053 R)
• M9: 1,030,430 km (0.111 R)
• M10: 1,192,145 km (0.087 R)
• M11: 1,262,157 km (0.074 R)
• M12: 1,617,452 km (0.116 R)
• M13: 1,749,248 km (0.103 R)
• M14: 1,953,748 km (0.088 R)
• M15: 2,138,651 km (0.072 R)
• M16: 2,224,520 km (0.064 R)
• M17: 2,329,239 km (0.093 R)
• M18: 2,399,999 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941

Radius: 13.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.74 AU - 2.32 AU

Year: 1897 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 70,530,800 km

• M1: 190,438 km (0.033 R)
• M2: 294,409 km (0.081 R)
• M3: 479,312 km (0.052 R)
• M4: 632,949 km (0.091 R)
• M5: 729,589 km (0.081 R)
• M6: 894,595 km (0.106 R)
• M7: 1,044,193 km (0.105 R)
• M8: 1,254,229 km (0.093 R)
• M9: 1,512,135 km (0.112 R)
• M10: 1,728,753 km (0.109 R)
• M11: 1,931,608 km (0.115 R)
• M12: 2,104,842 km (0.099 R)
• M13: 2,348,387 km (0.053 R)
• M14: 3,280,233 km (0.084 R)
• M15: 3,368,944 km (0.051 R)
• M16: 3,458,404 km (0.099 R)
• M17: 3,701,201 km (0.045 R)
• M18: 3,949,533 km (0.091 R)
• M19: 4,284,184 km (0.112 R)
• M20: 4,594,899 km (0.087 R)
• M21: 4,811,666 km (0.088 R)
• M22: 5,049,078 km (0.119 R)
• M23: 5,377,595 km (0.096 R)
• M24: 5,553,223 km (0.095 R)
• M25: 5,730,945 km (0.109 R)
• M26: 6,073,674 km (0.031 R)
• M27: 6,183,329 km (0.063 R)
• M28: 6,349,083 km (0.075 R)
• M29: 6,441,834 km (0.1 R)
• M30: 7,007,763 km (0.102 R)
• M31: 7,142,102 km (0.09 R)
• M32: 7,491,712 km (0.117 R)
• M33: 7,826,961 km (0.116 R)
• M34: 8,187,342 km (0.051 R)
• M35: 8,410,392 km (0.048 R)
• M36: 8,553,258 km (0.068 R)
• M37: 9,070,418 km (0.119 R)
• M38: 9,301,248 km (0.079 R)
• M39: 9,512,779 km (0.057 R)
• M40: 9,619,143 km (0.078 R)
• M41: 9,704,563 km (0.097 R)
• M42: 9,876,003 km (0.118 R)
• M43: 10,178,639 km (0.096 R)
• M44: 10,287,546 km (0.108 R)
• M45: 10,440,435 km (0.105 R)
• M46: 11,127,239 km (0.066 R)
• M47: 11,261,877 km (0.115 R)
• M48: 12,825,325 km (0.11 R)
• M49: 12,966,545 km (0.067 R)
• M50: 13,464,856 km (0.072 R)
• M51: 13,632,405 km (0.044 R)
• M52: 13,776,618 km (0.071 R)
• M53: 14,042,154 km (0.099 R)
• M54: 14,333,870 km (0.098 R)
• M55: 14,553,928 km (0.1 R)
• M56: 14,701,282 km (0.096 R)
• M57: 14,799,867 km (0.109 R)
• M58: 14,997,486 km (0.104 R)
• M59: 15,445,531 km (0.099 R)
• M60: 16,202,048 km (0.08 R)
• M61: 16,303,924 km (0.049 R)
• M62: 16,405,800 km (0.038 R)
• M63: 16,919,070 km (0.03 R)
• M64: 17,151,695 km (0.077 R)
• M65: 17,463,607 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.1

Radius: 10.2

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.42 AU - 6.26 AU

Year: 8095 Days

Day: 12.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 70,530,800 km

• M1: 141,968 km (0.06 R)
• M2: 275,858 km (0.052 R)
• M3: 348,862 km (0.108 R)
• M4: 548,426 km (0.069 R)
• M5: 693,087 km (0.103 R)
• M6: 818,600 km (0.107 R)
• M7: 1,075,609 km (0.036 R)
• M8: 1,185,713 km (0.118 R)
• M9: 2,129,675 km (0.082 R)
• M10: 2,389,228 km (0.093 R)
• M11: 3,362,811 km (0.069 R)
• M12: 3,609,946 km (0.113 R)
• M13: 4,006,081 km (0.104 R)
• M14: 4,238,856 km (0.076 R)
• M15: 4,535,957 km (0.048 R)
• M16: 5,372,060 km (0.1 R)
• M17: 5,629,069 km (0.064 R)
• M18: 6,121,545 km (0.113 R)
• M19: 6,627,934 km (0.119 R)
• M20: 6,765,414 km (0.11 R)
• M21: 6,903,643 km (0.113 R)
• M22: 7,288,857 km (0.104 R)
• M23: 7,609,296 km (0.116 R)
• M24: 8,898,680 km (0.094 R)
• M25: 9,317,853 km (0.082 R)
• M26: 9,394,746 km (0.119 R)
• M27: 10,493,692 km (0.107 R)
• M28: 10,694,303 km (0.108 R)
• M29: 10,815,178 km (0.088 R)
• M30: 10,936,502 km (0.05 R)
• M31: 12,512,964 km (0.074 R)
• M32: 12,811,113 km (0.079 R)
• M33: 13,284,291 km (0.061 R)
• M34: 13,414,291 km (0.079 R)
• M35: 13,763,154 km (0.099 R)
• M36: 15,597,822 km (0.066 R)
• M37: 16,988,334 km (0.11 R)
• M38: 17,793,769 km (0.095 R)
• M39: 18,081,147 km (0.098 R)
• M40: 19,049,793 km (0.095 R)
• M41: 20,936,222 km (0.104 R)
• M42: 21,087,615 km (0.092 R)
• M43: 21,290,171 km (0.115 R)
• M44: 21,697,226 km (0.09 R)
• M45: 21,799,402 km (0.113 R)
• M46: 22,415,595 km (0.116 R)
• M47: 22,518,818 km (0.057 R)
• M48: 22,725,861 km (0.115 R)
• M49: 22,881,593 km (0.094 R)
• M50: 23,298,372 km (0.081 R)
• M51: 23,560,169 km (0.062 R)
• M52: 24,086,753 km (0.093 R)
• M53: 25,205,296 km (0.074 R)
• M54: 25,420,269 km (0.086 R)
• M55: 25,797,854 km (0.1 R)
• M56: 26,177,383 km (0.085 R)
• M57: 26,449,502 km (0.114 R)
• M58: 26,941,978 km (0.067 R)
• M59: 28,213,859 km (0.069 R)
• M60: 28,325,459 km (0.085 R)
• M61: 28,604,908 km (0.106 R)
• M62: 29,110,250 km (0.078 R)
• M63: 29,561,886 km (0.119 R)
• M64: 30,129,759 km (0.098 R)
• M65: 30,357,896 km (0.078 R)
• M66: 30,529,485 km (0.071 R)
• M67: 33,493,766 km (0.048 R)
• M68: 34,860,493 km (0.043 R)
• M69: 35,280,115 km (0.1 R)
• M70: 35,821,958 km (0.079 R)
• M71: 37,035,945 km (0.103 R)
• M72: 37,158,166 km (0.09 R)
• M73: 37,709,434 km (0.076 R)
• M74: 39,379,695 km (0.073 R)
• M75: 40,695,258 km (0.094 R)
• M76: 41,390,290 km (0.074 R)
• M77: 41,580,429 km (0.11 R)
• M78: 41,707,438 km (0.106 R)
• M79: 42,599,789 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 9.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.22 AU - 6.4 AU

Year: 9187 Days

Day: 12.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 70,530,800 km

• M1: 123,717 km (0.107 R)
• M2: 211,232 km (0.092 R)
• M3: 279,000 km (0.052 R)
• M4: 456,124 km (0.086 R)
• M5: 763,398 km (0.114 R)
• M6: 1,010,534 km (0.114 R)
• M7: 1,076,357 km (0.094 R)
• M8: 1,413,401 km (0.081 R)
• M9: 1,703,172 km (0.096 R)
• M10: 1,961,826 km (0.097 R)
• M11: 2,147,029 km (0.039 R)
• M12: 2,215,844 km (0.097 R)
• M13: 2,444,728 km (0.055 R)
• M14: 3,137,815 km (0.099 R)
• M15: 3,315,388 km (0.075 R)
• M16: 3,659,613 km (0.072 R)
• M17: 3,763,134 km (0.112 R)
• M18: 3,973,020 km (0.085 R)
• M19: 4,251,721 km (0.045 R)
• M20: 4,338,787 km (0.096 R)
• M21: 4,426,451 km (0.067 R)
• M22: 4,692,885 km (0.025 R)
• M23: 4,919,077 km (0.066 R)
• M24: 5,311,772 km (0.094 R)
• M25: 5,500,115 km (0.045 R)
• M26: 5,859,150 km (0.069 R)
• M27: 5,931,855 km (0.094 R)
• M28: 6,127,379 km (0.109 R)
• M29: 6,300,165 km (0.105 R)
• M30: 6,399,647 km (0.118 R)
• M31: 6,600,108 km (0.119 R)
• M32: 7,188,178 km (0.1 R)
• M33: 7,396,568 km (0.102 R)
• M34: 7,819,630 km (0.055 R)
• M35: 8,441,359 km (0.079 R)
• M36: 8,827,621 km (0.089 R)
• M37: 9,107,070 km (0.056 R)
• M38: 9,531,778 km (0.119 R)
• M39: 9,617,498 km (0.108 R)
• M40: 10,963,878 km (0.112 R)
• M41: 11,476,251 km (0.065 R)
• M42: 11,658,910 km (0.054 R)
• M43: 12,181,904 km (0.095 R)
• M44: 12,274,954 km (0.117 R)
• M45: 12,399,569 km (0.095 R)
• M46: 12,587,015 km (0.115 R)
• M47: 12,649,697 km (0.104 R)
• M48: 13,028,179 km (0.119 R)
• M49: 13,091,609 km (0.039 R)
• M50: 13,218,917 km (0.08 R)
• M51: 13,828,678 km (0.113 R)
• M52: 14,251,292 km (0.107 R)
• M53: 16,221,795 km (0.085 R)
• M54: 16,978,311 km (0.108 R)
• M55: 17,291,120 km (0.061 R)
• M56: 17,430,695 km (0.08 R)
• M57: 17,887,118 km (0.109 R)
• M58: 18,454,244 km (0.112 R)
• M59: 18,561,206 km (0.032 R)
• M60: 19,099,310 km (0.108 R)
• M61: 20,301,029 km (0.097 R)
• M62: 20,707,038 km (0.106 R)
• M63: 21,714,879 km (0.104 R)
• M64: 21,941,071 km (0.088 R)
• M65: 22,130,163 km (0.092 R)
• M66: 22,509,842 km (0.07 R)
• M67: 22,624,284 km (0.054 R)
• M68: 22,930,062 km (0.058 R)
• M69: 23,275,783 km (0.092 R)
• M70: 23,584,703 km (0.116 R)
• M71: 23,817,178 km (0.113 R)
• M72: 24,323,417 km (0.09 R)
• M73: 24,401,657 km (0.117 R)
• M74: 25,465,746 km (0.075 R)
• M75: 25,664,412 km (0.091 R)
• M76: 25,743,998 km (0.11 R)
• M77: 25,903,470 km (0.046 R)
• M78: 26,183,517 km (0.07 R)
• M79: 26,263,701 km (0.105 R)
• M80: 26,464,462 km (0.101 R)
• M81: 26,625,429 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.5

Radius: 6.5

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.83 AU - 9.07 AU

Year: 16114 Days

Day: 18.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 70,530,800 km

• M1: 83,027 km (0.119 R)
• M2: 310,715 km (0.112 R)
• M3: 446,849 km (0.065 R)
• M4: 582,235 km (0.087 R)
• M5: 644,468 km (0.102 R)
• M6: 1,221,467 km (0.093 R)
• M7: 1,556,865 km (0.094 R)
• M8: 1,826,740 km (0.097 R)
• M9: 1,951,355 km (0.034 R)
• M10: 2,512,197 km (0.109 R)
• M11: 3,970,627 km (0.046 R)
• M12: 4,092,100 km (0.088 R)
• M13: 4,931,943 km (0.071 R)
• M14: 5,596,008 km (0.067 R)
• M15: 5,961,625 km (0.117 R)
• M16: 6,715,748 km (0.077 R)
• M17: 7,300,974 km (0.062 R)
• M18: 7,449,824 km (0.06 R)
• M19: 7,649,986 km (0.111 R)
• M20: 8,519,748 km (0.062 R)
• M21: 8,781,545 km (0.062 R)
• M22: 9,099,290 km (0.1 R)
• M23: 10,019,617 km (0.065 R)
• M24: 10,856,168 km (0.072 R)
• M25: 11,830,948 km (0.118 R)
• M26: 12,240,547 km (0.063 R)
• M27: 13,863,235 km (0.043 R)
• M28: 15,171,468 km (0.028 R)
• M29: 15,425,036 km (0.101 R)
• M30: 15,616,223 km (0.065 R)
• M31: 15,872,184 km (0.083 R)
• M32: 16,258,895 km (0.112 R)
• M33: 16,388,596 km (0.106 R)
• M34: 17,636,691 km (0.032 R)
• M35: 17,903,424 km (0.113 R)
• M36: 19,669,128 km (0.083 R)
• M37: 20,782,884 km (0.081 R)
• M38: 21,205,947 km (0.071 R)
• M39: 21,347,467 km (0.053 R)
• M40: 22,060,300 km (0.108 R)
• M41: 22,419,634 km (0.109 R)
• M42: 22,491,741 km (0.089 R)
• M43: 22,563,996 km (0.101 R)
• M44: 22,780,913 km (0.074 R)
• M45: 23,362,999 km (0.083 R)
• M46: 23,436,002 km (0.025 R)
• M47: 25,288,174 km (0.115 R)
• M48: 25,739,660 km (0.119 R)
• M49: 27,494,742 km (0.113 R)
• M50: 28,503,780 km (0.115 R)
• M51: 28,660,110 km (0.049 R)
• M52: 30,000,207 km (0.074 R)
• M53: 30,558,058 km (0.081 R)
• M54: 31,038,865 km (0.118 R)
• M55: 31,845,647 km (0.045 R)
• M56: 32,007,960 km (0.103 R)
• M57: 33,645,010 km (0.102 R)
• M58: 34,307,429 km (0.057 R)
• M59: 36,489,913 km (0.099 R)
• M60: 36,914,771 km (0.076 R)
• M61: 38,716,976 km (0.045 R)
• M62: 39,410,961 km (0.075 R)
• M63: 40,459,791 km (0.115 R)
• M64: 41,783,583 km (0.106 R)
• M65: 41,872,294 km (0.093 R)
• M66: 42,942,368 km (0.101 R)
• M67: 43,480,771 km (0.101 R)
• M68: 43,931,060 km (0.081 R)
• M69: 46,389,701 km (0.049 R)
• M70: 48,518,928 km (0.098 R)
• M71: 49,642,408 km (0.066 R)
• M72: 49,924,699 km (0.1 R)
• M73: 53,641,757 km (0.113 R)
• M74: 55,973,091 km (0.065 R)
• M75: 56,266,901 km (0.094 R)
• M76: 56,463,024 km (0.094 R)
• M77: 57,743,282 km (0.07 R)
• M78: 58,834,000 km (0.055 R)
• M79: 58,933,483 km (0.112 R)
• M80: 59,232,379 km (0.103 R)
• M81: 59,431,793 km (0.059 R)
• M82: 59,631,506 km (0.08 R)
• M83: 59,731,438 km (0.098 R)
• M84: 60,734,043 km (0.093 R)
• M85: 61,843,161 km (0.092 R)
• M86: 62,349,550 km (0.055 R)
• M87: 63,060,888 km (0.085 R)
• M88: 63,264,491 km (0.077 R)
• M89: 63,570,568 km (0.11 R)
• M90: 66,553,550 km (0.056 R)
• M91: 68,532,580 km (0.048 R)
• M92: 70,319,526 km (0.043 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: 202 - 16,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit