🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.49 AU - 0.79 AU

Year: 184 Days

Day: 24.6 Hours

Environment

Temp: 195 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.78 AU - 2.8 AU

Year: 1677 Days

Day: 20.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.1 AU - 3.14 AU

Year: 1983 Days

Day: 25.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.99 AU - 3.89 AU

Year: 2296 Days

Day: 20.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,427,382 km

• M1: 497,263 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.5 AU - 5.7 AU

Year: 3551 Days

Day: 43.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.5

Radius: 14

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.24 AU - 7.64 AU

Year: 5882 Days

Day: 8.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 92,427,382 km

• M1: 199,264 km (0.102 R)
• M2: 534,663 km (0.107 R)
• M3: 722,259 km (0.089 R)
• M4: 993,928 km (0.099 R)
• M5: 1,259,614 km (0.073 R)
• M6: 1,422,377 km (0.058 R)
• M7: 1,621,491 km (0.03 R)
• M8: 1,937,891 km (0.103 R)
• M9: 2,079,859 km (0.108 R)
• M10: 2,458,641 km (0.108 R)
• M11: 2,913,718 km (0.117 R)
• M12: 3,188,529 km (0.081 R)
• M13: 3,548,761 km (0.062 R)
• M14: 4,124,413 km (0.096 R)
• M15: 4,475,519 km (0.092 R)
• M16: 5,053,266 km (0.091 R)
• M17: 5,229,194 km (0.117 R)
• M18: 5,362,336 km (0.088 R)
• M19: 5,541,853 km (0.089 R)
• M20: 5,723,166 km (0.095 R)
• M21: 5,814,720 km (0.057 R)
• M22: 6,115,411 km (0.076 R)
• M23: 6,564,055 km (0.046 R)
• M24: 6,828,844 km (0.113 R)
• M25: 7,072,539 km (0.107 R)
• M26: 7,195,508 km (0.06 R)
• M27: 7,821,126 km (0.118 R)
• M28: 8,101,921 km (0.092 R)
• M29: 8,621,176 km (0.063 R)
• M30: 8,831,959 km (0.049 R)
• M31: 10,076,613 km (0.096 R)
• M32: 10,298,766 km (0.103 R)
• M33: 10,438,341 km (0.109 R)
• M34: 11,174,811 km (0.106 R)
• M35: 11,636,321 km (0.082 R)
• M36: 11,811,051 km (0.079 R)
• M37: 11,927,887 km (0.099 R)
• M38: 13,330,965 km (0.115 R)
• M39: 13,422,220 km (0.117 R)
• M40: 13,666,813 km (0.113 R)
• M41: 13,789,633 km (0.107 R)
• M42: 14,036,469 km (0.095 R)
• M43: 14,129,369 km (0.116 R)
• M44: 14,378,300 km (0.053 R)
• M45: 14,975,046 km (0.087 R)
• M46: 17,442,513 km (0.056 R)
• M47: 17,676,185 km (0.063 R)
• M48: 18,893,762 km (0.092 R)
• M49: 19,478,241 km (0.084 R)
• M50: 19,616,619 km (0.046 R)
• M51: 19,929,129 km (0.08 R)
• M52: 20,629,696 km (0.038 R)
• M53: 21,053,806 km (0.087 R)
• M54: 21,231,528 km (0.098 R)
• M55: 21,338,191 km (0.055 R)
• M56: 21,659,677 km (0.113 R)
• M57: 22,163,074 km (0.072 R)
• M58: 22,561,154 km (0.066 R)
• M59: 25,262,892 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 8.3

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.26 AU - 7.82 AU

Year: 6019 Days

Day: 8.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 92,427,382 km

• M1: 104,120 km (0.027 R)
• M2: 180,415 km (0.029 R)
• M3: 305,479 km (0.072 R)
• M4: 465,100 km (0.093 R)
• M5: 641,775 km (0.076 R)
• M6: 698,024 km (0.112 R)
• M7: 756,217 km (0.09 R)
• M8: 865,124 km (0.031 R)
• M9: 1,032,225 km (0.092 R)
• M10: 1,085,931 km (0.099 R)
• M11: 1,181,973 km (0.108 R)
• M12: 1,252,583 km (0.117 R)
• M13: 1,324,540 km (0.115 R)
• M14: 1,412,802 km (0.119 R)
• M15: 1,487,900 km (0.094 R)
• M16: 1,933,403 km (0.027 R)
• M17: 2,050,987 km (0.096 R)
• M18: 2,223,324 km (0.099 R)
• M19: 2,656,260 km (0.046 R)
• M20: 2,768,608 km (0.114 R)
• M21: 3,293,696 km (0.108 R)
• M22: 3,434,917 km (0.085 R)
• M23: 3,578,082 km (0.062 R)
• M24: 3,640,015 km (0.118 R)
• M25: 3,765,079 km (0.092 R)
• M26: 4,084,022 km (0.082 R)
• M27: 4,367,510 km (0.103 R)
• M28: 4,907,708 km (0.107 R)
• M29: 5,138,986 km (0.116 R)
• M30: 6,124,537 km (0.111 R)
• M31: 6,198,887 km (0.093 R)
• M32: 6,398,750 km (0.101 R)
• M33: 7,036,934 km (0.09 R)
• M34: 7,115,024 km (0.114 R)
• M35: 7,964,291 km (0.04 R)
• M36: 8,345,916 km (0.12 R)
• M37: 8,566,722 km (0.05 R)
• M38: 8,705,698 km (0.106 R)
• M39: 9,014,169 km (0.119 R)
• M40: 9,297,508 km (0.114 R)
• M41: 9,383,227 km (0.08 R)
• M42: 9,757,222 km (0.113 R)
• M43: 10,938,596 km (0.098 R)
• M44: 11,028,953 km (0.112 R)
• M45: 11,089,391 km (0.115 R)
• M46: 11,240,934 km (0.12 R)
• M47: 12,635,485 km (0.103 R)
• M48: 13,080,389 km (0.101 R)
• M49: 13,304,786 km (0.086 R)
• M50: 14,412,708 km (0.106 R)
• M51: 14,810,788 km (0.068 R)
• M52: 14,910,869 km (0.114 R)
• M53: 14,977,739 km (0.101 R)
• M54: 15,448,523 km (0.119 R)
• M55: 15,924,095 km (0.103 R)
• M56: 16,542,682 km (0.109 R)
• M57: 16,646,503 km (0.073 R)
• M58: 16,959,462 km (0.086 R)
• M59: 17,274,365 km (0.107 R)
• M60: 17,626,369 km (0.116 R)
• M61: 17,767,889 km (0.118 R)
• M62: 18,230,445 km (0.094 R)
• M63: 18,732,945 km (0.096 R)
• M64: 18,805,051 km (0.083 R)
• M65: 19,312,786 km (0.104 R)
• M66: 19,568,299 km (0.085 R)
• M67: 20,638,971 km (0.108 R)
• M68: 21,313,059 km (0.096 R)
• M69: 21,880,334 km (0.036 R)
• M70: 23,145,783 km (0.078 R)
• M71: 23,767,811 km (0.045 R)
• M72: 24,395,374 km (0.08 R)
• M73: 25,346,966 km (0.106 R)
• M74: 25,666,806 km (0.041 R)
• M75: 25,947,751 km (0.112 R)
• M76: 26,108,718 km (0.027 R)
• M77: 26,350,917 km (0.079 R)
• M78: 26,674,946 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.5

Radius: 8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 10.01 AU - 15.83 AU

Year: 16713 Days

Day: 16.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 88.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 92,427,382 km

• M1: 106,514 km (0.075 R)
• M2: 428,897 km (0.076 R)
• M3: 549,323 km (0.052 R)
• M4: 775,964 km (0.081 R)
• M5: 874,848 km (0.118 R)
• M6: 1,332,319 km (0.063 R)
• M7: 1,767,648 km (0.101 R)
• M8: 1,989,951 km (0.06 R)
• M9: 2,436,949 km (0.117 R)
• M10: 2,609,436 km (0.087 R)
• M11: 2,888,585 km (0.096 R)
• M12: 3,045,065 km (0.105 R)
• M13: 3,586,310 km (0.045 R)
• M14: 3,698,209 km (0.083 R)
• M15: 3,754,607 km (0.094 R)
• M16: 3,811,305 km (0.109 R)
• M17: 4,098,982 km (0.111 R)
• M18: 4,274,909 km (0.063 R)
• M19: 4,513,517 km (0.056 R)
• M20: 4,604,024 km (0.036 R)
• M21: 4,756,464 km (0.108 R)
• M22: 5,160,379 km (0.102 R)
• M23: 5,967,908 km (0.097 R)
• M24: 6,234,641 km (0.089 R)
• M25: 6,745,218 km (0.112 R)
• M26: 7,163,494 km (0.117 R)
• M27: 7,770,263 km (0.08 R)
• M28: 8,767,632 km (0.074 R)
• M29: 8,956,724 km (0.119 R)
• M30: 9,109,014 km (0.098 R)
• M31: 9,570,973 km (0.119 R)
• M32: 10,839,862 km (0.086 R)
• M33: 11,043,016 km (0.082 R)
• M34: 11,742,685 km (0.056 R)
• M35: 12,202,998 km (0.074 R)
• M36: 12,329,707 km (0.093 R)
• M37: 13,055,257 km (0.12 R)
• M38: 13,227,893 km (0.082 R)
• M39: 13,750,737 km (0.11 R)
• M40: 14,280,314 km (0.106 R)
• M41: 14,413,755 km (0.116 R)
• M42: 14,636,955 km (0.097 R)
• M43: 14,771,593 km (0.041 R)
• M44: 15,587,350 km (0.071 R)
• M45: 16,093,141 km (0.116 R)
• M46: 16,231,967 km (0.092 R)
• M47: 16,464,442 km (0.103 R)
• M48: 17,026,482 km (0.06 R)
• M49: 17,977,326 km (0.12 R)
• M50: 18,799,067 km (0.096 R)
• M51: 18,945,374 km (0.04 R)
• M52: 19,337,170 km (0.045 R)
• M53: 20,478,901 km (0.096 R)
• M54: 20,729,927 km (0.078 R)
• M55: 22,619,497 km (0.113 R)
• M56: 23,087,439 km (0.057 R)
• M57: 23,453,505 km (0.119 R)
• M58: 24,616,629 km (0.098 R)
• M59: 25,366,563 km (0.1 R)
• M60: 26,669,710 km (0.102 R)
• M61: 26,834,118 km (0.097 R)
• M62: 27,053,728 km (0.08 R)
• M63: 27,605,744 km (0.116 R)
• M64: 27,716,596 km (0.114 R)
• M65: 28,217,150 km (0.058 R)
• M66: 28,945,542 km (0.071 R)
• M67: 30,078,148 km (0.073 R)
• M68: 30,937,139 km (0.058 R)
• M69: 32,386,593 km (0.088 R)
• M70: 32,855,133 km (0.09 R)
• M71: 34,273,919 km (0.046 R)
• M72: 34,512,378 km (0.078 R)
• M73: 36,500,384 km (0.087 R)
• M74: 36,865,702 km (0.091 R)
• M75: 37,846,167 km (0.117 R)
• M76: 38,277,757 km (0.072 R)
• M77: 38,463,258 km (0.072 R)
• M78: 38,773,075 km (0.084 R)
• M79: 38,897,242 km (0.114 R)
• M80: 40,271,597 km (0.113 R)
• M81: 41,154,524 km (0.109 R)
• M82: 41,852,697 km (0.115 R)
• M83: 41,980,005 km (0.084 R)
• M84: 42,171,341 km (0.109 R)
• M85: 42,426,854 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.8

Radius: 4.1

Gravity: 40.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 16.18 AU - 19.22 AU

Year: 26800 Days

Day: 24.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 92,427,382 km

• M1: 187,895 km (0.068 R)
• M2: 655,837 km (0.094 R)
• M3: 735,274 km (0.099 R)
• M4: 874,699 km (0.092 R)
• M5: 1,442,722 km (0.085 R)
• M6: 1,872,965 km (0.104 R)
• M7: 2,063,403 km (0.076 R)
• M8: 2,462,531 km (0.088 R)
• M9: 2,545,109 km (0.097 R)
• M10: 2,586,846 km (0.095 R)
• M11: 2,628,734 km (0.051 R)
• M12: 3,329,600 km (0.114 R)
• M13: 3,747,875 km (0.109 R)
• M14: 4,281,341 km (0.083 R)
• M15: 4,481,204 km (0.093 R)
• M16: 4,684,059 km (0.077 R)
• M17: 5,310,575 km (0.098 R)
• M18: 5,633,706 km (0.097 R)
• M19: 5,742,763 km (0.092 R)
• M20: 6,018,622 km (0.07 R)
• M21: 6,468,911 km (0.052 R)
• M22: 6,525,908 km (0.069 R)
• M23: 6,583,054 km (0.116 R)
• M24: 6,698,095 km (0.105 R)
• M25: 6,929,972 km (0.048 R)
• M26: 7,341,964 km (0.073 R)
• M27: 7,521,033 km (0.103 R)
• M28: 9,388,912 km (0.107 R)
• M29: 9,778,914 km (0.101 R)
• M30: 10,174,151 km (0.111 R)
• M31: 10,373,715 km (0.096 R)
• M32: 10,776,731 km (0.096 R)
• M33: 11,048,252 km (0.06 R)
• M34: 11,390,831 km (0.079 R)
• M35: 11,806,563 km (0.08 R)
• M36: 11,876,276 km (0.092 R)
• M37: 12,156,772 km (0.103 R)
• M38: 12,368,453 km (0.105 R)
• M39: 14,031,981 km (0.075 R)
• M40: 14,105,882 km (0.1 R)
• M41: 15,154,115 km (0.077 R)
• M42: 15,841,218 km (0.119 R)
• M43: 16,851,303 km (0.09 R)
• M44: 20,337,831 km (0.043 R)
• M45: 20,505,231 km (0.068 R)
• M46: 20,673,079 km (0.099 R)
• M47: 23,596,072 km (0.108 R)
• M48: 24,036,638 km (0.118 R)
• M49: 27,380,749 km (0.117 R)
• M50: 27,473,051 km (0.067 R)
• M51: 28,029,555 km (0.092 R)
• M52: 28,871,192 km (0.102 R)
• M53: 29,816,052 km (0.095 R)
• M54: 30,483,558 km (0.097 R)
• M55: 31,445,622 km (0.087 R)
• M56: 32,319,872 km (0.083 R)
• M57: 32,613,084 km (0.108 R)
• M58: 35,190,805 km (0.073 R)
• M59: 35,291,334 km (0.076 R)
• M60: 36,300,971 km (0.115 R)
• M61: 36,504,124 km (0.08 R)
• M62: 37,422,655 km (0.119 R)
• M63: 38,245,444 km (0.086 R)
• M64: 38,970,395 km (0.091 R)
• M65: 39,386,576 km (0.083 R)
• M66: 39,804,253 km (0.107 R)
• M67: 40,328,444 km (0.117 R)
• M68: 40,433,612 km (0.042 R)
• M69: 40,855,029 km (0.066 R)
• M70: 42,127,808 km (0.082 R)
• M71: 42,983,657 km (0.116 R)
• M72: 43,306,040 km (0.095 R)
• M73: 44,821,168 km (0.097 R)
• M74: 45,475,808 km (0.041 R)
• M75: 51,052,517 km (0.084 R)
• M76: 52,882,099 km (0.1 R)
• M77: 56,135,105 km (0.101 R)
• M78: 58,141,512 km (0.099 R)
• M79: 58,736,014 km (0.081 R)
• M80: 58,855,243 km (0.091 R)
• M81: 58,974,473 km (0.096 R)
• M82: 60,051,278 km (0.109 R)
• M83: 62,224,187 km (0.082 R)
• M84: 62,588,757 km (0.079 R)
• M85: 63,442,363 km (0.093 R)
• M86: 63,809,476 km (0.091 R)
• M87: 64,177,187 km (0.117 R)
• M88: 66,895,231 km (0.113 R)
• M89: 71,042,084 km (0.08 R)
• M90: 79,449,784 km (0.087 R)
• M91: 80,638,339 km (0.104 R)
• M92: 82,099,162 km (0.084 R)
• M93: 85,721,525 km (0.106 R)
• M94: 86,669,227 km (0.077 R)
• M95: 88,301,789 km (0.091 R)
• M96: 89,532,830 km (0.113 R)
• M97: 90,081,854 km (0.111 R)
• M98: 91,873,737 km (0.081 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit