🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.72 AU - 0.94 AU

Year: 291 Days

Day: 23.1 Hours

Environment

Temp: 32 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 73,543,004 km

• M1: 465,997 km (0.084 R)
• M2: 714,479 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.84 AU - 0.88 AU

Year: 307 Days

Day: 19.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,543,004 km

• M1: 139,575 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.26 AU - 1.72 AU

Year: 700 Days

Day: 22.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.55 AU - 3.23 AU

Year: 1892 Days

Day: 28.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 14.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.6 AU - 5.02 AU

Year: 3445 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 73,543,004 km

• M1: 199,115 km (0.107 R)
• M2: 339,737 km (0.113 R)
• M3: 656,435 km (0.052 R)
• M4: 776,413 km (0.072 R)
• M5: 885,320 km (0.089 R)
• M6: 1,091,616 km (0.071 R)
• M7: 1,223,711 km (0.096 R)
• M8: 1,330,374 km (0.068 R)
• M9: 1,448,407 km (0.119 R)
• M10: 1,545,645 km (0.088 R)
• M11: 1,781,561 km (0.102 R)
• M12: 1,895,255 km (0.112 R)
• M13: 2,011,493 km (0.079 R)
• M14: 2,185,924 km (0.091 R)
• M15: 2,413,762 km (0.092 R)
• M16: 2,550,344 km (0.087 R)
• M17: 2,689,620 km (0.115 R)
• M18: 2,811,094 km (0.096 R)
• M19: 3,070,197 km (0.09 R)
• M20: 3,315,538 km (0.047 R)
• M21: 3,556,540 km (0.079 R)
• M22: 3,780,637 km (0.082 R)
• M23: 3,894,481 km (0.029 R)
• M24: 4,067,417 km (0.113 R)
• M25: 4,373,494 km (0.067 R)
• M26: 4,541,343 km (0.087 R)
• M27: 4,785,037 km (0.073 R)
• M28: 5,020,505 km (0.119 R)
• M29: 5,260,011 km (0.106 R)
• M30: 5,528,988 km (0.095 R)
• M31: 5,632,809 km (0.109 R)
• M32: 6,458,589 km (0.066 R)
• M33: 6,747,014 km (0.11 R)
• M34: 6,899,903 km (0.092 R)
• M35: 7,081,963 km (0.049 R)
• M36: 7,223,184 km (0.052 R)
• M37: 7,450,872 km (0.082 R)
• M38: 7,957,709 km (0.109 R)
• M39: 8,445,697 km (0.101 R)
• M40: 8,625,664 km (0.118 R)
• M41: 9,035,113 km (0.096 R)
• M42: 9,280,902 km (0.071 R)
• M43: 9,513,228 km (0.068 R)
• M44: 9,794,621 km (0.083 R)
• M45: 10,094,715 km (0.1 R)
• M46: 10,253,887 km (0.12 R)
• M47: 10,381,793 km (0.044 R)
• M48: 10,720,183 km (0.113 R)
• M49: 10,931,565 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 10.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.5 AU - 5.74 AU

Year: 3823 Days

Day: 7.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 73,543,004 km

• M1: 183,407 km (0.1 R)
• M2: 293,212 km (0.036 R)
• M3: 390,450 km (0.115 R)
• M4: 518,357 km (0.08 R)
• M5: 681,269 km (0.116 R)
• M6: 759,508 km (0.117 R)
• M7: 947,553 km (0.12 R)
• M8: 1,047,484 km (0.063 R)
• M9: 1,174,792 km (0.044 R)
• M10: 1,319,752 km (0.043 R)
• M11: 1,407,118 km (0.091 R)
• M12: 1,483,712 km (0.06 R)
• M13: 1,587,981 km (0.08 R)
• M14: 1,776,774 km (0.1 R)
• M15: 1,958,685 km (0.085 R)
• M16: 2,030,342 km (0.107 R)
• M17: 2,102,897 km (0.053 R)
• M18: 2,325,798 km (0.102 R)
• M19: 2,541,069 km (0.099 R)
• M20: 2,892,475 km (0.036 R)
• M21: 3,141,106 km (0.102 R)
• M22: 3,535,746 km (0.059 R)
• M23: 3,819,832 km (0.103 R)
• M24: 4,185,300 km (0.102 R)
• M25: 4,315,899 km (0.085 R)
• M26: 4,832,310 km (0.108 R)
• M27: 5,088,123 km (0.101 R)
• M28: 5,592,417 km (0.105 R)
• M29: 5,674,546 km (0.108 R)
• M30: 6,282,512 km (0.086 R)
• M31: 6,497,036 km (0.112 R)
• M32: 7,154,967 km (0.098 R)
• M33: 7,378,915 km (0.094 R)
• M34: 7,628,145 km (0.097 R)
• M35: 7,696,511 km (0.076 R)
• M36: 8,134,683 km (0.093 R)
• M37: 8,345,168 km (0.053 R)
• M38: 8,486,388 km (0.102 R)
• M39: 8,771,372 km (0.116 R)
• M40: 9,204,757 km (0.117 R)
• M41: 9,424,067 km (0.043 R)
• M42: 9,793,574 km (0.093 R)
• M43: 9,917,740 km (0.105 R)
• M44: 10,042,505 km (0.106 R)
• M45: 10,394,509 km (0.108 R)
• M46: 10,546,500 km (0.1 R)
• M47: 10,724,971 km (0.101 R)
• M48: 12,590,456 km (0.059 R)
• M49: 12,834,001 km (0.118 R)
• M50: 13,079,192 km (0.033 R)
• M51: 13,270,977 km (0.103 R)
• M52: 13,353,405 km (0.04 R)
• M53: 13,823,890 km (0.082 R)
• M54: 13,963,316 km (0.09 R)
• M55: 14,356,309 km (0.116 R)
• M56: 14,440,982 km (0.033 R)
• M57: 14,667,473 km (0.083 R)
• M58: 14,952,457 km (0.052 R)
• M59: 15,296,831 km (0.099 R)
• M60: 15,672,771 km (0.109 R)
• M61: 16,581,578 km (0.104 R)
• M62: 16,670,439 km (0.115 R)
• M63: 17,117,138 km (0.077 R)
• M64: 17,236,966 km (0.11 R)
• M65: 17,991,986 km (0.103 R)
• M66: 18,819,562 km (0.119 R)
• M67: 18,912,312 km (0.096 R)
• M68: 19,816,332 km (0.086 R)
• M69: 19,973,709 km (0.059 R)
• M70: 20,131,385 km (0.069 R)
• M71: 20,958,213 km (0.103 R)
• M72: 21,118,432 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.7

Radius: 7.7

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 14.18 AU - 14.44 AU

Year: 20841 Days

Day: 19.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 73,543,004 km

• M1: 135,536 km (0.084 R)
• M2: 320,139 km (0.072 R)
• M3: 454,927 km (0.12 R)
• M4: 2,684,235 km (0.116 R)
• M5: 3,524,675 km (0.04 R)
• M6: 4,111,697 km (0.119 R)
• M7: 4,251,571 km (0.114 R)
• M8: 4,345,669 km (0.119 R)
• M9: 4,440,514 km (0.029 R)
• M10: 6,476,092 km (0.108 R)
• M11: 7,416,913 km (0.118 R)
• M12: 7,759,193 km (0.084 R)
• M13: 8,936,977 km (0.045 R)
• M14: 9,856,405 km (0.1 R)
• M15: 10,934,557 km (0.035 R)
• M16: 11,193,661 km (0.114 R)
• M17: 12,384,460 km (0.084 R)
• M18: 12,586,716 km (0.079 R)
• M19: 12,790,319 km (0.038 R)
• M20: 12,994,819 km (0.108 R)
• M21: 13,823,890 km (0.081 R)
• M22: 14,812,583 km (0.12 R)
• M23: 14,955,748 km (0.108 R)
• M24: 15,605,451 km (0.117 R)
• M25: 16,634,386 km (0.103 R)
• M26: 17,382,674 km (0.106 R)
• M27: 18,065,439 km (0.109 R)
• M28: 18,218,328 km (0.112 R)
• M29: 19,379,058 km (0.093 R)
• M30: 19,849,992 km (0.116 R)
• M31: 20,483,838 km (0.086 R)
• M32: 21,204,750 km (0.113 R)
• M33: 21,690,046 km (0.079 R)
• M34: 22,506,850 km (0.066 R)
• M35: 24,423,648 km (0.109 R)
• M36: 24,592,843 km (0.057 R)
• M37: 24,847,159 km (0.084 R)
• M38: 25,273,214 km (0.072 R)
• M39: 25,358,784 km (0.082 R)
• M40: 26,652,656 km (0.111 R)
• M41: 27,001,219 km (0.12 R)
• M42: 28,056,333 km (0.036 R)
• M43: 29,035,301 km (0.11 R)
• M44: 30,297,309 km (0.089 R)
• M45: 30,661,131 km (0.055 R)
• M46: 31,853,725 km (0.115 R)
• M47: 33,812,111 km (0.111 R)
• M48: 34,378,787 km (0.064 R)
• M49: 39,617,854 km (0.1 R)
• M50: 39,916,153 km (0.092 R)
• M51: 40,715,155 km (0.058 R)
• M52: 41,317,885 km (0.054 R)
• M53: 42,634,047 km (0.096 R)
• M54: 43,553,176 km (0.106 R)
• M55: 43,861,049 km (0.056 R)
• M56: 45,515,003 km (0.093 R)
• M57: 45,931,782 km (0.068 R)
• M58: 46,036,052 km (0.086 R)
• M59: 46,454,328 km (0.111 R)
• M60: 46,978,967 km (0.092 R)
• M61: 47,822,400 km (0.081 R)
• M62: 47,928,315 km (0.102 R)
• M63: 49,096,974 km (0.065 R)
• M64: 50,275,207 km (0.116 R)
• M65: 50,382,768 km (0.115 R)
• M66: 50,921,769 km (0.081 R)
• M67: 52,659,198 km (0.089 R)
• M68: 53,535,244 km (0.104 R)
• M69: 53,865,107 km (0.113 R)
• M70: 54,195,569 km (0.069 R)
• M71: 56,751,149 km (0.091 R)
• M72: 57,536,687 km (0.108 R)
• M73: 59,345,775 km (0.034 R)
• M74: 59,914,994 km (0.085 R)
• M75: 64,649,917 km (0.083 R)
• M76: 68,189,851 km (0.098 R)
• M77: 68,905,378 km (0.108 R)
• M78: 69,743,275 km (0.052 R)
• M79: 72,884,980 km (0.074 R)
• M80: 74,595,781 km (0.056 R)
• M81: 74,841,272 km (0.088 R)
• M82: 74,964,091 km (0.045 R)
• M83: 75,456,119 km (0.098 R)
• M84: 77,932,113 km (0.03 R)
• M85: 78,056,728 km (0.108 R)
• M86: 78,930,081 km (0.096 R)
• M87: 80,309,074 km (0.078 R)
• M88: 80,938,582 km (0.105 R)
• M89: 81,190,804 km (0.057 R)
• M90: 83,727,535 km (0.096 R)
• M91: 83,854,992 km (0.045 R)
• M92: 84,110,206 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.9

Radius: 5.1

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 13.82 AU - 17.28 AU

Year: 23608 Days

Day: 15.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 73,543,004 km

• M1: 226,342 km (0.058 R)
• M2: 389,403 km (0.066 R)
• M3: 586,424 km (0.102 R)
• M4: 934,687 km (0.115 R)
• M5: 1,633,459 km (0.094 R)
• M6: 1,916,648 km (0.118 R)
• M7: 2,113,818 km (0.071 R)
• M8: 4,332,205 km (0.084 R)
• M9: 4,722,057 km (0.103 R)
• M10: 4,899,031 km (0.03 R)
• M11: 5,721,670 km (0.098 R)
• M12: 6,537,277 km (0.075 R)
• M13: 6,784,114 km (0.099 R)
• M14: 6,933,562 km (0.073 R)
• M15: 7,439,801 km (0.1 R)
• M16: 8,274,408 km (0.067 R)
• M17: 8,702,856 km (0.039 R)
• M18: 8,756,861 km (0.113 R)
• M19: 9,193,388 km (0.034 R)
• M20: 9,303,492 km (0.09 R)
• M21: 10,602,300 km (0.117 R)
• M22: 10,950,265 km (0.105 R)
• M23: 11,479,393 km (0.055 R)
• M24: 11,657,564 km (0.099 R)
• M25: 11,896,621 km (0.079 R)
• M26: 12,197,762 km (0.107 R)
• M27: 12,930,642 km (0.116 R)
• M28: 12,992,276 km (0.113 R)
• M29: 14,246,953 km (0.085 R)
• M30: 15,213,206 km (0.051 R)
• M31: 16,133,831 km (0.086 R)
• M32: 16,466,986 km (0.099 R)
• M33: 17,343,779 km (0.113 R)
• M34: 17,822,193 km (0.038 R)
• M35: 17,891,008 km (0.107 R)
• M36: 18,652,461 km (0.086 R)
• M37: 21,144,911 km (0.107 R)
• M38: 21,509,331 km (0.083 R)
• M39: 21,875,996 km (0.082 R)
• M40: 22,023,200 km (0.089 R)
• M41: 22,392,707 km (0.076 R)
• M42: 24,118,468 km (0.113 R)
• M43: 24,728,827 km (0.028 R)
• M44: 26,276,567 km (0.105 R)
• M45: 27,299,218 km (0.047 R)
• M46: 27,457,792 km (0.034 R)
• M47: 28,817,337 km (0.067 R)
• M48: 29,140,468 km (0.112 R)
• M49: 29,383,565 km (0.073 R)
• M50: 30,116,894 km (0.093 R)
• M51: 30,856,206 km (0.119 R)
• M52: 31,601,503 km (0.067 R)
• M53: 33,532,961 km (0.093 R)
• M54: 33,617,783 km (0.037 R)
• M55: 34,043,090 km (0.12 R)
• M56: 34,984,958 km (0.113 R)
• M57: 35,935,353 km (0.116 R)
• M58: 36,195,953 km (0.053 R)
• M59: 36,283,019 km (0.12 R)
• M60: 36,457,300 km (0.075 R)
• M61: 36,631,881 km (0.086 R)
• M62: 37,508,824 km (0.109 R)
• M63: 37,773,163 km (0.106 R)
• M64: 38,659,082 km (0.111 R)
• M65: 41,175,617 km (0.07 R)
• M66: 41,448,484 km (0.083 R)
• M67: 42,178,820 km (0.066 R)
• M68: 43,097,651 km (0.108 R)
• M69: 43,652,060 km (0.028 R)
• M70: 44,301,913 km (0.091 R)
• M71: 44,955,058 km (0.104 R)
• M72: 45,329,651 km (0.104 R)
• M73: 47,408,463 km (0.118 R)
• M74: 49,614,882 km (0.074 R)
• M75: 50,390,098 km (0.067 R)
• M76: 50,487,337 km (0.042 R)
• M77: 51,462,565 km (0.103 R)
• M78: 52,937,151 km (0.091 R)
• M79: 55,726,703 km (0.085 R)
• M80: 57,037,928 km (0.057 R)
• M81: 57,341,911 km (0.102 R)
• M82: 59,280,101 km (0.097 R)
• M83: 60,618,404 km (0.111 R)
• M84: 61,654,668 km (0.118 R)
• M85: 63,955,034 km (0.118 R)
• M86: 64,904,233 km (0.048 R)
• M87: 65,539,575 km (0.05 R)
• M88: 66,177,012 km (0.085 R)
• M89: 67,672,242 km (0.116 R)
• M90: 67,994,177 km (0.106 R)
• M91: 71,568,070 km (0.115 R)
• M92: 71,786,633 km (0.071 R)
• M93: 73,432,808 km (0.059 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: 533 - 19,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit