🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.88 AU

Year: 239 Days

Day: 21.8 Hours

Environment

Temp: 121 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.43 AU - 2.29 AU

Year: 896 Days

Day: 39.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.52 AU - 2.24 AU

Year: 910 Days

Day: 15.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.13 AU - 2.67 AU

Year: 1313 Days

Day: 30.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.3

Radius: 10.1

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.25 AU - 12.49 AU

Year: 12654 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 87,632,469 km

• M1: 413,489 km (0.114 R)
• M2: 562,937 km (0.026 R)
• M3: 635,641 km (0.096 R)
• M4: 731,683 km (0.105 R)
• M5: 812,466 km (0.057 R)
• M6: 896,540 km (0.116 R)
• M7: 1,387,520 km (0.112 R)
• M8: 1,953,000 km (0.092 R)
• M9: 2,275,982 km (0.104 R)
• M10: 2,616,018 km (0.078 R)
• M11: 2,775,938 km (0.113 R)
• M12: 3,005,272 km (0.083 R)
• M13: 3,206,930 km (0.056 R)
• M14: 3,984,090 km (0.053 R)
• M15: 4,700,664 km (0.111 R)
• M16: 4,817,500 km (0.117 R)
• M17: 5,014,371 km (0.078 R)
• M18: 5,375,351 km (0.1 R)
• M19: 5,995,883 km (0.091 R)
• M20: 6,595,471 km (0.092 R)
• M21: 7,035,438 km (0.115 R)
• M22: 7,304,116 km (0.077 R)
• M23: 7,805,269 km (0.077 R)
• M24: 8,270,668 km (0.11 R)
• M25: 8,697,171 km (0.112 R)
• M26: 9,571,870 km (0.071 R)
• M27: 9,819,754 km (0.119 R)
• M28: 10,729,758 km (0.118 R)
• M29: 12,901,620 km (0.064 R)
• M30: 13,285,787 km (0.103 R)
• M31: 13,451,541 km (0.118 R)
• M32: 13,673,545 km (0.104 R)
• M33: 14,234,088 km (0.101 R)
• M34: 14,859,407 km (0.061 R)
• M35: 15,031,594 km (0.12 R)
• M36: 15,319,869 km (0.106 R)
• M37: 15,726,626 km (0.106 R)
• M38: 15,901,954 km (0.108 R)
• M39: 16,491,370 km (0.088 R)
• M40: 17,027,978 km (0.104 R)
• M41: 18,302,103 km (0.075 R)
• M42: 19,230,956 km (0.075 R)
• M43: 19,669,577 km (0.056 R)
• M44: 20,365,656 km (0.064 R)
• M45: 20,748,776 km (0.04 R)
• M46: 21,977,573 km (0.1 R)
• M47: 22,567,886 km (0.113 R)
• M48: 23,030,592 km (0.074 R)
• M49: 23,429,719 km (0.081 R)
• M50: 23,563,310 km (0.099 R)
• M51: 25,185,550 km (0.039 R)
• M52: 26,495,279 km (0.086 R)
• M53: 27,544,858 km (0.059 R)
• M54: 28,965,289 km (0.102 R)
• M55: 29,036,947 km (0.042 R)
• M56: 29,973,729 km (0.085 R)
• M57: 30,336,803 km (0.067 R)
• M58: 30,409,507 km (0.112 R)
• M59: 30,628,219 km (0.103 R)
• M60: 32,992,913 km (0.102 R)
• M61: 34,045,783 km (0.112 R)
• M62: 35,109,723 km (0.067 R)
• M63: 35,799,369 km (0.082 R)
• M64: 36,416,161 km (0.038 R)
• M65: 37,270,066 km (0.109 R)
• M66: 37,660,366 km (0.091 R)
• M67: 39,155,896 km (0.095 R)
• M68: 39,791,388 km (0.099 R)
• M69: 40,911,726 km (0.084 R)
• M70: 41,153,177 km (0.109 R)
• M71: 41,961,305 km (0.078 R)
• M72: 44,665,137 km (0.12 R)
• M73: 45,495,555 km (0.077 R)
• M74: 46,414,983 km (0.094 R)
• M75: 46,498,758 km (0.079 R)
• M76: 47,424,919 km (0.103 R)
• M77: 50,067,266 km (0.097 R)
• M78: 50,670,444 km (0.109 R)
• M79: 50,843,230 km (0.107 R)
• M80: 51,362,933 km (0.059 R)
• M81: 53,458,799 km (0.091 R)
• M82: 53,546,763 km (0.12 R)
• M83: 53,810,803 km (0.049 R)
• M84: 53,898,916 km (0.086 R)
• M85: 54,960,313 km (0.044 R)
• M86: 55,226,597 km (0.03 R)
• M87: 55,582,490 km (0.094 R)
• M88: 55,760,811 km (0.036 R)
• M89: 56,923,785 km (0.109 R)
• M90: 57,643,500 km (0.104 R)
• M91: 58,004,480 km (0.09 R)
• M92: 58,638,027 km (0.112 R)
• M93: 59,729,493 km (0.11 R)
• M94: 59,820,748 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.8

Radius: 5.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 13.2 AU - 13.88 AU

Year: 17592 Days

Day: 17.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,632,469 km

• M1: 203,752 km (0.082 R)
• M2: 639,082 km (0.087 R)
• M3: 3,300,727 km (0.116 R)
• M4: 3,368,346 km (0.094 R)
• M5: 3,643,905 km (0.061 R)
• M6: 5,404,223 km (0.085 R)
• M7: 5,746,952 km (0.11 R)
• M8: 6,055,123 km (0.097 R)
• M9: 6,284,457 km (0.102 R)
• M10: 6,580,661 km (0.116 R)
• M11: 6,687,474 km (0.114 R)
• M12: 7,429,479 km (0.103 R)
• M13: 7,742,438 km (0.067 R)
• M14: 9,685,265 km (0.099 R)
• M15: 12,317,440 km (0.114 R)
• M16: 12,981,056 km (0.079 R)
• M17: 13,683,717 km (0.076 R)
• M18: 14,816,472 km (0.081 R)
• M19: 15,892,979 km (0.083 R)
• M20: 17,791,974 km (0.066 R)
• M21: 18,420,734 km (0.091 R)
• M22: 18,571,528 km (0.105 R)
• M23: 18,965,420 km (0.105 R)
• M24: 19,515,341 km (0.12 R)
• M25: 19,730,762 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.6

Radius: 3

Gravity: 85.18 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 13.02 AU - 17.94 AU

Year: 21506 Days

Day: 15.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 87,632,469 km

• M1: 289,472 km (0.102 R)
• M2: 404,961 km (0.11 R)
• M3: 534,064 km (0.067 R)
• M4: 725,400 km (0.114 R)
• M5: 1,135,597 km (0.091 R)
• M6: 1,225,057 km (0.096 R)
• M7: 1,347,877 km (0.044 R)
• M8: 2,019,122 km (0.095 R)
• M9: 2,091,079 km (0.104 R)
• M10: 2,237,835 km (0.103 R)
• M11: 2,658,055 km (0.082 R)
• M12: 2,938,102 km (0.105 R)
• M13: 3,353,984 km (0.072 R)
• M14: 3,439,405 km (0.106 R)
• M15: 3,482,489 km (0.107 R)
• M16: 4,613,299 km (0.054 R)
• M17: 4,660,722 km (0.062 R)
• M18: 5,441,174 km (0.1 R)
• M19: 5,846,434 km (0.118 R)
• M20: 5,897,746 km (0.079 R)
• M21: 6,156,551 km (0.116 R)
• M22: 7,173,816 km (0.074 R)
• M23: 7,228,719 km (0.108 R)
• M24: 8,127,054 km (0.082 R)
• M25: 8,531,118 km (0.092 R)
• M26: 8,764,790 km (0.095 R)
• M27: 8,823,582 km (0.053 R)
• M28: 9,000,705 km (0.102 R)
• M29: 9,119,486 km (0.092 R)
• M30: 9,238,716 km (0.052 R)
• M31: 9,298,405 km (0.041 R)
• M32: 9,720,720 km (0.094 R)
• M33: 10,087,684 km (0.043 R)
• M34: 11,151,773 km (0.076 R)
• M35: 11,535,641 km (0.071 R)
• M36: 12,448,338 km (0.045 R)
• M37: 13,316,305 km (0.069 R)
• M38: 13,655,443 km (0.118 R)
• M39: 13,928,609 km (0.058 R)
• M40: 13,997,274 km (0.116 R)
• M41: 14,203,719 km (0.063 R)
• M42: 14,689,464 km (0.084 R)
• M43: 15,180,444 km (0.114 R)
• M44: 16,540,438 km (0.104 R)
• M45: 16,904,709 km (0.074 R)
• M46: 18,463,369 km (0.079 R)
• M47: 20,455,714 km (0.073 R)
• M48: 20,925,152 km (0.096 R)
• M49: 21,161,217 km (0.049 R)
• M50: 22,034,121 km (0.041 R)
• M51: 28,812,849 km (0.119 R)
• M52: 28,900,364 km (0.057 R)
• M53: 31,204,021 km (0.117 R)
• M54: 32,924,397 km (0.11 R)
• M55: 33,842,030 km (0.118 R)
• M56: 33,934,332 km (0.078 R)
• M57: 34,861,241 km (0.056 R)
• M58: 34,954,440 km (0.096 R)
• M59: 35,890,474 km (0.085 R)
• M60: 36,078,668 km (0.042 R)
• M61: 36,929,730 km (0.092 R)
• M62: 37,596,189 km (0.067 R)
• M63: 39,911,066 km (0.091 R)
• M64: 40,496,892 km (0.103 R)
• M65: 42,569,869 km (0.072 R)
• M66: 43,870,174 km (0.081 R)
• M67: 44,778,233 km (0.083 R)
• M68: 45,488,524 km (0.068 R)
• M69: 46,612,453 km (0.095 R)
• M70: 48,056,072 km (0.108 R)
• M71: 49,096,226 km (0.104 R)
• M72: 50,248,878 km (0.067 R)
• M73: 52,260,670 km (0.067 R)
• M74: 54,082,921 km (0.062 R)
• M75: 54,731,129 km (0.113 R)
• M76: 56,035,024 km (0.08 R)
• M77: 56,471,850 km (0.062 R)
• M78: 59,561,794 km (0.073 R)
• M79: 59,784,545 km (0.044 R)
• M80: 63,386,862 km (0.052 R)
• M81: 63,956,082 km (0.071 R)
• M82: 66,480,396 km (0.1 R)
• M83: 66,827,164 km (0.117 R)
• M84: 68,803,501 km (0.061 R)
• M85: 70,210,021 km (0.09 R)
• M86: 71,153,086 km (0.073 R)
• M87: 73,767,757 km (0.059 R)
• M88: 74,606,253 km (0.081 R)
• M89: 76,171,795 km (0.115 R)
• M90: 76,655,744 km (0.09 R)
• M91: 78,235,498 km (0.085 R)
• M92: 78,723,635 km (0.094 R)
• M93: 79,090,599 km (0.068 R)
• M94: 80,194,482 km (0.112 R)
• M95: 80,933,196 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.3

Radius: 3.5

Gravity: 59.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 16.57 AU - 16.67 AU

Year: 23925 Days

Day: 23.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 87,632,469 km

• M1: 74,500 km (0.075 R)
• M2: 237,711 km (0.11 R)
• M3: 389,702 km (0.119 R)
• M4: 641,775 km (0.089 R)
• M5: 1,082,191 km (0.068 R)
• M6: 1,235,529 km (0.117 R)
• M7: 1,298,809 km (0.066 R)
• M8: 1,735,784 km (0.074 R)
• M9: 1,771,089 km (0.082 R)
• M10: 2,252,495 km (0.104 R)
• M11: 3,548,910 km (0.106 R)
• M12: 4,631,700 km (0.101 R)
• M13: 5,388,515 km (0.088 R)
• M14: 6,455,747 km (0.088 R)
• M15: 7,183,391 km (0.094 R)
• M16: 7,585,809 km (0.118 R)
• M17: 9,453,987 km (0.106 R)
• M18: 9,579,200 km (0.052 R)
• M19: 11,057,975 km (0.119 R)
• M20: 11,992,214 km (0.109 R)
• M21: 12,195,667 km (0.068 R)
• M22: 12,606,014 km (0.099 R)
• M23: 12,812,908 km (0.116 R)
• M24: 14,077,608 km (0.067 R)
• M25: 14,507,852 km (0.118 R)
• M26: 15,602,460 km (0.074 R)
• M27: 16,346,859 km (0.082 R)
• M28: 18,179,881 km (0.045 R)
• M29: 19,199,690 km (0.047 R)
• M30: 20,561,031 km (0.111 R)
• M31: 20,723,195 km (0.111 R)
• M32: 20,804,426 km (0.099 R)
• M33: 20,885,808 km (0.066 R)
• M34: 21,705,305 km (0.079 R)
• M35: 23,038,072 km (0.106 R)
• M36: 24,225,879 km (0.034 R)
• M37: 26,132,205 km (0.11 R)
• M38: 28,176,011 km (0.093 R)
• M39: 28,536,691 km (0.102 R)
• M40: 30,362,833 km (0.118 R)
• M41: 30,732,639 km (0.055 R)
• M42: 30,917,990 km (0.073 R)
• M43: 34,222,607 km (0.095 R)
• M44: 36,160,648 km (0.102 R)
• M45: 37,835,845 km (0.114 R)
• M46: 38,532,971 km (0.071 R)
• M47: 39,234,286 km (0.089 R)
• M48: 41,465,687 km (0.069 R)
• M49: 42,287,279 km (0.047 R)
• M50: 42,906,913 km (0.089 R)
• M51: 44,364,595 km (0.097 R)
• M52: 44,574,182 km (0.109 R)
• M53: 45,204,737 km (0.07 R)
• M54: 46,794,214 km (0.059 R)
• M55: 48,294,232 km (0.102 R)
• M56: 48,617,662 km (0.046 R)
• M57: 48,725,672 km (0.084 R)
• M58: 49,266,768 km (0.111 R)
• M59: 49,375,226 km (0.047 R)
• M60: 52,554,929 km (0.039 R)
• M61: 53,221,088 km (0.108 R)
• M62: 53,443,690 km (0.096 R)
• M63: 54,113,589 km (0.071 R)
• M64: 54,337,387 km (0.117 R)
• M65: 55,913,251 km (0.109 R)
• M66: 56,479,629 km (0.091 R)
• M67: 57,048,101 km (0.026 R)
• M68: 57,846,953 km (0.114 R)
• M69: 58,419,764 km (0.111 R)
• M70: 60,846,241 km (0.098 R)
• M71: 62,482,243 km (0.11 R)
• M72: 63,895,794 km (0.101 R)
• M73: 64,014,126 km (0.099 R)
• M74: 65,081,955 km (0.116 R)
• M75: 65,916,562 km (0.102 R)
• M76: 66,155,619 km (0.091 R)
• M77: 66,754,609 km (0.072 R)
• M78: 68,320,450 km (0.092 R)
• M79: 69,776,636 km (0.104 R)
• M80: 70,630,690 km (0.118 R)
• M81: 71,856,944 km (0.093 R)
• M82: 72,842,943 km (0.066 R)
• M83: 73,337,514 km (0.106 R)
• M84: 73,585,397 km (0.028 R)
• M85: 75,827,570 km (0.102 R)
• M86: 76,203,510 km (0.094 R)
• M87: 76,454,385 km (0.075 R)
• M88: 77,082,996 km (0.091 R)
• M89: 77,587,140 km (0.118 R)
• M90: 78,471,862 km (0.119 R)
• M91: 79,487,033 km (0.073 R)
• M92: 79,741,499 km (0.044 R)
• M93: 82,430,072 km (0.107 R)
• M94: 83,203,643 km (0.114 R)
• M95: 83,461,998 km (0.086 R)
• M96: 84,628,114 km (0.067 R)
• M97: 84,757,965 km (0.079 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 13,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit