🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.72 AU - 0.86 AU

Year: 259 Days

Day: 38 Hours

Environment

Temp: 171 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.97 AU

Year: 326 Days

Day: 24.3 Hours

Environment

Temp: 41 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.84 AU - 1.16 AU

Year: 369 Days

Day: 22.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.58 AU - 2.7 AU

Year: 1583 Days

Day: 34.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.88 AU - 4.52 AU

Year: 2626 Days

Day: 35.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.27 AU - 5.17 AU

Year: 3198 Days

Day: 19.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.7

Radius: 4.7

Gravity: 40.41 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.63 AU - 17.25 AU

Year: 23481 Days

Day: 24.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 101,903,537 km

• M1: 81,830 km (0.116 R)
• M2: 150,944 km (0.114 R)
• M3: 402,119 km (0.077 R)
• M4: 716,275 km (0.094 R)
• M5: 797,955 km (0.092 R)
• M6: 1,091,915 km (0.076 R)
• M7: 1,383,182 km (0.111 R)
• M8: 2,110,976 km (0.046 R)
• M9: 2,308,894 km (0.115 R)
• M10: 3,114,029 km (0.051 R)
• M11: 3,158,609 km (0.108 R)
• M12: 3,430,728 km (0.087 R)
• M13: 3,949,085 km (0.117 R)
• M14: 4,745,693 km (0.07 R)
• M15: 4,797,155 km (0.118 R)
• M16: 4,900,527 km (0.103 R)
• M17: 6,310,188 km (0.118 R)
• M18: 6,767,508 km (0.118 R)
• M19: 7,000,133 km (0.088 R)
• M20: 9,337,749 km (0.108 R)
• M21: 9,727,153 km (0.054 R)
• M22: 10,121,792 km (0.108 R)
• M23: 10,588,687 km (0.061 R)
• M24: 12,312,952 km (0.092 R)
• M25: 13,026,683 km (0.111 R)
• M26: 14,196,389 km (0.085 R)
• M27: 17,105,769 km (0.025 R)
• M28: 18,061,549 km (0.043 R)
• M29: 19,444,881 km (0.102 R)
• M30: 20,274,551 km (0.105 R)
• M31: 20,441,801 km (0.109 R)
• M32: 21,370,205 km (0.08 R)
• M33: 23,005,759 km (0.081 R)
• M34: 23,618,512 km (0.081 R)
• M35: 25,128,702 km (0.088 R)
• M36: 25,850,063 km (0.083 R)
• M37: 26,669,860 km (0.055 R)
• M38: 27,775,986 km (0.067 R)
• M39: 28,802,976 km (0.103 R)
• M40: 32,250,159 km (0.072 R)
• M41: 33,132,188 km (0.05 R)
• M42: 33,427,943 km (0.047 R)
• M43: 33,526,678 km (0.068 R)
• M44: 34,021,997 km (0.068 R)
• M45: 34,619,640 km (0.109 R)
• M46: 35,421,784 km (0.056 R)
• M47: 35,623,292 km (0.12 R)
• M48: 36,942,297 km (0.062 R)
• M49: 37,556,396 km (0.118 R)
• M50: 37,659,170 km (0.113 R)
• M51: 40,888,389 km (0.068 R)
• M52: 41,099,771 km (0.061 R)
• M53: 41,736,011 km (0.067 R)
• M54: 44,639,406 km (0.075 R)
• M55: 44,748,164 km (0.054 R)
• M56: 46,610,957 km (0.105 R)
• M57: 48,834,579 km (0.111 R)
• M58: 49,283,373 km (0.075 R)
• M59: 50,072,202 km (0.115 R)
• M60: 52,578,266 km (0.084 R)
• M61: 52,923,089 km (0.098 R)
• M62: 53,038,279 km (0.118 R)
• M63: 54,310,310 km (0.088 R)
• M64: 54,891,648 km (0.05 R)
• M65: 55,241,557 km (0.075 R)
• M66: 56,060,904 km (0.077 R)
• M67: 56,295,624 km (0.12 R)
• M68: 56,648,525 km (0.106 R)
• M69: 60,216,883 km (0.101 R)
• M70: 60,457,436 km (0.117 R)
• M71: 60,818,715 km (0.106 R)
• M72: 62,149,687 km (0.074 R)
• M73: 62,514,257 km (0.115 R)
• M74: 62,636,030 km (0.086 R)
• M75: 63,367,863 km (0.109 R)
• M76: 63,734,976 km (0.075 R)
• M77: 64,717,086 km (0.1 R)
• M78: 65,210,011 km (0.044 R)
• M79: 65,456,997 km (0.096 R)
• M80: 66,820,731 km (0.083 R)
• M81: 67,069,662 km (0.104 R)
• M82: 68,821,004 km (0.093 R)
• M83: 69,576,174 km (0.113 R)
• M84: 69,702,285 km (0.082 R)
• M85: 69,828,396 km (0.116 R)
• M86: 74,293,295 km (0.116 R)
• M87: 74,938,660 km (0.091 R)
• M88: 75,197,314 km (0.118 R)
• M89: 75,715,522 km (0.076 R)
• M90: 78,717,951 km (0.104 R)
• M91: 81,626,283 km (0.109 R)
• M92: 83,361,169 km (0.038 R)
• M93: 85,378,198 km (0.104 R)
• M94: 86,325,002 km (0.108 R)
• M95: 90,283,961 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.5

Radius: 5.5

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 15.45 AU - 17.99 AU

Year: 25225 Days

Day: 20.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 101,903,537 km

• M1: 158,873 km (0.07 R)
• M2: 194,776 km (0.07 R)
• M3: 277,803 km (0.117 R)
• M4: 462,257 km (0.05 R)
• M5: 538,403 km (0.102 R)
• M6: 660,774 km (0.115 R)
• M7: 703,559 km (0.095 R)
• M8: 908,059 km (0.113 R)
• M9: 1,208,751 km (0.086 R)
• M10: 1,425,668 km (0.084 R)
• M11: 1,538,764 km (0.104 R)
• M12: 2,647,733 km (0.119 R)
• M13: 2,822,313 km (0.089 R)
• M14: 3,182,844 km (0.098 R)
• M15: 3,443,893 km (0.079 R)
• M16: 3,946,841 km (0.114 R)
• M17: 4,555,405 km (0.117 R)
• M18: 4,891,850 km (0.077 R)
• M19: 4,977,271 km (0.093 R)
• M20: 5,279,907 km (0.073 R)
• M21: 6,131,269 km (0.07 R)
• M22: 7,857,778 km (0.072 R)
• M23: 8,670,244 km (0.084 R)
• M24: 9,191,443 km (0.049 R)
• M25: 9,562,445 km (0.05 R)
• M26: 10,538,422 km (0.063 R)
• M27: 10,593,624 km (0.103 R)
• M28: 11,150,427 km (0.049 R)
• M29: 11,319,323 km (0.101 R)
• M30: 13,054,509 km (0.091 R)
• M31: 14,317,414 km (0.115 R)
• M32: 15,618,915 km (0.059 R)
• M33: 15,744,877 km (0.07 R)
• M34: 15,807,857 km (0.097 R)
• M35: 15,934,268 km (0.099 R)
• M36: 16,124,556 km (0.117 R)
• M37: 16,379,471 km (0.072 R)
• M38: 16,828,564 km (0.032 R)
• M39: 17,216,920 km (0.08 R)
• M40: 17,804,839 km (0.119 R)
• M41: 19,000,276 km (0.095 R)
• M42: 19,336,871 km (0.111 R)
• M43: 20,634,184 km (0.095 R)
• M44: 20,910,790 km (0.111 R)
• M45: 22,383,432 km (0.105 R)
• M46: 24,544,373 km (0.089 R)
• M47: 24,763,983 km (0.113 R)
• M48: 25,131,694 km (0.082 R)
• M49: 26,846,086 km (0.069 R)
• M50: 27,148,124 km (0.097 R)
• M51: 28,674,920 km (0.114 R)
• M52: 29,526,581 km (0.095 R)
• M53: 29,760,252 km (0.068 R)
• M54: 30,386,469 km (0.093 R)
• M55: 30,858,899 km (0.103 R)
• M56: 31,017,024 km (0.092 R)
• M57: 31,333,872 km (0.083 R)
• M58: 31,492,596 km (0.049 R)
• M59: 32,290,850 km (0.097 R)
• M60: 34,070,317 km (0.071 R)
• M61: 36,464,032 km (0.09 R)
• M62: 37,638,974 km (0.068 R)
• M63: 37,892,393 km (0.116 R)
• M64: 39,167,715 km (0.093 R)
• M65: 40,370,781 km (0.095 R)
• M66: 41,673,030 km (0.047 R)
• M67: 41,760,395 km (0.115 R)
• M68: 42,022,640 km (0.112 R)
• M69: 42,197,819 km (0.042 R)
• M70: 42,636,889 km (0.094 R)
• M71: 43,342,393 km (0.044 R)
• M72: 45,842,024 km (0.048 R)
• M73: 45,932,231 km (0.027 R)
• M74: 46,203,003 km (0.103 R)
• M75: 46,927,506 km (0.072 R)
• M76: 48,021,515 km (0.077 R)
• M77: 51,073,012 km (0.042 R)
• M78: 52,858,164 km (0.09 R)
• M79: 53,805,866 km (0.087 R)
• M80: 56,973,003 km (0.055 R)
• M81: 57,749,864 km (0.103 R)
• M82: 57,847,103 km (0.082 R)
• M83: 59,019,651 km (0.079 R)
• M84: 60,002,659 km (0.076 R)
• M85: 61,785,865 km (0.084 R)
• M86: 62,084,612 km (0.09 R)
• M87: 63,485,746 km (0.08 R)
• M88: 65,403,890 km (0.096 R)
• M89: 66,421,006 km (0.095 R)
• M90: 67,648,456 km (0.05 R)
• M91: 68,470,945 km (0.098 R)
• M92: 68,677,091 km (0.039 R)
• M93: 68,780,164 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.9

Radius: 6.6

Gravity: 21.74 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 16.6 AU - 17.84 AU

Year: 26365 Days

Day: 21.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 101,903,537 km

• M1: 391,946 km (0.097 R)
• M2: 584,928 km (0.114 R)
• M3: 896,690 km (0.082 R)
• M4: 1,152,801 km (0.118 R)
• M5: 1,927,569 km (0.092 R)
• M6: 2,300,217 km (0.073 R)
• M7: 2,649,977 km (0.119 R)
• M8: 2,785,512 km (0.078 R)
• M9: 2,877,216 km (0.086 R)
• M10: 2,923,442 km (0.076 R)
• M11: 3,546,367 km (0.1 R)
• M12: 4,001,294 km (0.059 R)
• M13: 5,301,898 km (0.1 R)
• M14: 7,218,995 km (0.086 R)
• M15: 7,472,414 km (0.081 R)
• M16: 8,849,911 km (0.069 R)
• M17: 9,120,982 km (0.106 R)
• M18: 10,660,643 km (0.108 R)
• M19: 11,167,182 km (0.094 R)
• M20: 11,607,598 km (0.079 R)
• M21: 11,681,649 km (0.059 R)
• M22: 12,429,788 km (0.067 R)
• M23: 16,729,530 km (0.088 R)
• M24: 16,896,780 km (0.109 R)
• M25: 17,486,794 km (0.107 R)
• M26: 18,169,260 km (0.062 R)
• M27: 19,296,779 km (0.072 R)
• M28: 19,472,257 km (0.039 R)
• M29: 20,715,416 km (0.115 R)
• M30: 24,122,058 km (0.109 R)
• M31: 26,520,262 km (0.052 R)
• M32: 27,599,311 km (0.081 R)
• M33: 27,895,964 km (0.102 R)
• M34: 28,293,296 km (0.106 R)
• M35: 29,496,511 km (0.086 R)
• M36: 30,716,482 km (0.098 R)
• M37: 32,576,881 km (0.102 R)
• M38: 32,890,588 km (0.05 R)
• M39: 34,261,204 km (0.073 R)
• M40: 35,435,397 km (0.109 R)
• M41: 37,385,106 km (0.119 R)
• M42: 39,369,522 km (0.073 R)
• M43: 39,592,124 km (0.104 R)
• M44: 39,703,574 km (0.119 R)
• M45: 41,387,747 km (0.068 R)
• M46: 41,500,843 km (0.105 R)
• M47: 41,954,424 km (0.102 R)
• M48: 42,409,500 km (0.095 R)
• M49: 44,130,773 km (0.094 R)
• M50: 45,640,964 km (0.043 R)
• M51: 45,874,785 km (0.114 R)
• M52: 46,461,059 km (0.106 R)
• M53: 48,116,061 km (0.099 R)
• M54: 49,910,487 km (0.118 R)
• M55: 50,392,641 km (0.076 R)
• M56: 50,997,615 km (0.108 R)
• M57: 51,726,755 km (0.096 R)
• M58: 52,092,522 km (0.117 R)
• M59: 53,195,208 km (0.12 R)
• M60: 55,423,618 km (0.104 R)
• M61: 56,298,316 km (0.106 R)
• M62: 56,423,679 km (0.081 R)
• M63: 56,549,042 km (0.037 R)
• M64: 56,800,217 km (0.084 R)
• M65: 58,441,755 km (0.112 R)
• M66: 60,997,485 km (0.036 R)
• M67: 61,771,205 km (0.094 R)
• M68: 62,808,068 km (0.049 R)
• M69: 63,458,968 km (0.108 R)
• M70: 64,636,154 km (0.12 R)
• M71: 64,898,847 km (0.062 R)
• M72: 67,944,062 km (0.118 R)
• M73: 69,148,175 km (0.048 R)
• M74: 73,212,899 km (0.087 R)
• M75: 74,447,380 km (0.095 R)
• M76: 77,772,791 km (0.111 R)
• M77: 78,331,689 km (0.051 R)
• M78: 79,313,051 km (0.105 R)
• M79: 79,453,523 km (0.049 R)
• M80: 79,594,145 km (0.069 R)
• M81: 82,423,640 km (0.027 R)
• M82: 84,280,299 km (0.111 R)
• M83: 85,717,934 km (0.091 R)
• M84: 87,744,237 km (0.08 R)
• M85: 89,932,705 km (0.091 R)
• M86: 90,079,161 km (0.088 R)
• M87: 90,519,278 km (0.11 R)
• M88: 93,174,790 km (0.112 R)
• M89: 94,512,045 km (0.119 R)
• M90: 95,407,239 km (0.107 R)
• M91: 96,155,228 km (0.116 R)
• M92: 97,506,546 km (0.111 R)
• M93: 99,772,804 km (0.061 R)
• M94: 100,836,295 km (0.07 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 10,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit