🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.92 AU - 1.44 AU

Year: 473 Days

Day: 39.7 Hours

Environment

Temp: 0 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,602,439 km

• M1: 101,727 km (0.099 R)
• M2: 631,153 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.99 AU - 1.41 AU

Year: 485 Days

Day: 19.2 Hours

Environment

Temp: -8 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.09 AU - 1.53 AU

Year: 553 Days

Day: 29.9 Hours

Environment

Temp: -13 °C

Axial Tilt: 7.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,602,439 km

• M1: 59,540 km (0.104 R)
• M2: 924,964 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.96 AU - 2.62 AU

Year: 1279 Days

Day: 25.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,602,439 km

• M1: 124,615 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 12.2

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.77 AU - 5.83 AU

Year: 3880 Days

Day: 14.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 69,602,439 km

• M1: 152,590 km (0.066 R)
• M2: 316,699 km (0.073 R)
• M3: 423,063 km (0.106 R)
• M4: 661,223 km (0.065 R)
• M5: 1,008,589 km (0.054 R)
• M6: 1,128,118 km (0.084 R)
• M7: 1,338,303 km (0.12 R)
• M8: 1,654,852 km (0.067 R)
• M9: 1,846,636 km (0.112 R)
• M10: 1,961,976 km (0.102 R)
• M11: 2,148,225 km (0.069 R)
• M12: 2,234,992 km (0.114 R)
• M13: 2,322,806 km (0.069 R)
• M14: 3,225,629 km (0.105 R)
• M15: 3,756,552 km (0.096 R)
• M16: 4,271,169 km (0.102 R)
• M17: 4,604,174 km (0.078 R)
• M18: 4,762,448 km (0.069 R)
• M19: 5,295,465 km (0.112 R)
• M20: 5,413,947 km (0.104 R)
• M21: 5,823,247 km (0.108 R)
• M22: 6,093,420 km (0.052 R)
• M23: 6,367,933 km (0.12 R)
• M24: 6,799,971 km (0.081 R)
• M25: 6,877,313 km (0.088 R)
• M26: 7,084,656 km (0.064 R)
• M27: 7,320,572 km (0.043 R)
• M28: 7,532,402 km (0.068 R)
• M29: 7,719,549 km (0.044 R)
• M30: 7,908,192 km (0.113 R)
• M31: 8,071,104 km (0.085 R)
• M32: 8,290,116 km (0.12 R)
• M33: 8,427,895 km (0.058 R)
• M34: 8,622,223 km (0.057 R)
• M35: 8,705,998 km (0.052 R)
• M36: 8,874,146 km (0.068 R)
• M37: 8,986,942 km (0.097 R)
• M38: 9,242,605 km (0.067 R)
• M39: 9,500,512 km (0.116 R)
• M40: 9,965,013 km (0.048 R)
• M41: 10,082,298 km (0.116 R)
• M42: 10,170,561 km (0.029 R)
• M43: 10,466,615 km (0.096 R)
• M44: 11,433,316 km (0.114 R)
• M45: 11,525,319 km (0.098 R)
• M46: 12,586,417 km (0.059 R)
• M47: 13,580,794 km (0.101 R)
• M48: 13,678,481 km (0.107 R)
• M49: 14,335,066 km (0.106 R)
• M50: 14,800,765 km (0.04 R)
• M51: 14,901,145 km (0.108 R)
• M52: 15,576,729 km (0.064 R)
• M53: 15,986,776 km (0.04 R)
• M54: 16,193,222 km (0.091 R)
• M55: 16,782,787 km (0.116 R)
• M56: 16,992,523 km (0.089 R)
• M57: 17,238,462 km (0.119 R)
• M58: 17,662,572 km (0.107 R)
• M59: 18,305,394 km (0.038 R)
• M60: 18,449,307 km (0.113 R)
• M61: 19,871,833 km (0.118 R)
• M62: 20,056,736 km (0.111 R)
• M63: 20,391,087 km (0.095 R)
• M64: 21,027,626 km (0.059 R)
• M65: 21,291,667 km (0.112 R)
• M66: 21,975,628 km (0.116 R)
• M67: 22,937,542 km (0.108 R)
• M68: 23,053,780 km (0.09 R)
• M69: 23,677,753 km (0.117 R)
• M70: 24,505,029 km (0.041 R)
• M71: 24,743,039 km (0.032 R)
• M72: 24,981,947 km (0.103 R)
• M73: 25,904,816 km (0.118 R)
• M74: 26,390,710 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 10

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.36 AU - 7.16 AU

Year: 5779 Days

Day: 13.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 69,602,439 km

• M1: 177,124 km (0.113 R)
• M2: 285,134 km (0.104 R)
• M3: 378,483 km (0.081 R)
• M4: 507,885 km (0.086 R)
• M5: 920,027 km (0.115 R)
• M6: 1,060,799 km (0.095 R)
• M7: 1,297,014 km (0.103 R)
• M8: 1,479,673 km (0.065 R)
• M9: 1,832,275 km (0.093 R)
• M10: 1,959,882 km (0.098 R)
• M11: 2,183,979 km (0.106 R)
• M12: 2,486,466 km (0.091 R)
• M13: 2,700,541 km (0.104 R)
• M14: 2,935,559 km (0.117 R)
• M15: 3,010,358 km (0.057 R)
• M16: 3,177,309 km (0.116 R)
• M17: 3,254,202 km (0.114 R)
• M18: 3,394,076 km (0.053 R)
• M19: 3,568,059 km (0.053 R)
• M20: 3,664,101 km (0.116 R)
• M21: 3,809,959 km (0.092 R)
• M22: 4,191,284 km (0.091 R)
• M23: 4,343,873 km (0.065 R)
• M24: 4,429,443 km (0.1 R)
• M25: 4,585,025 km (0.056 R)
• M26: 4,742,253 km (0.113 R)
• M27: 4,937,029 km (0.088 R)
• M28: 5,098,295 km (0.105 R)
• M29: 5,206,903 km (0.091 R)
• M30: 5,316,110 km (0.115 R)
• M31: 5,537,066 km (0.097 R)
• M32: 5,723,465 km (0.099 R)
• M33: 6,007,102 km (0.119 R)
• M34: 6,333,974 km (0.11 R)
• M35: 6,411,765 km (0.096 R)
• M36: 6,885,092 km (0.073 R)
• M37: 7,025,415 km (0.102 R)
• M38: 7,207,027 km (0.05 R)
• M39: 7,554,543 km (0.082 R)
• M40: 8,202,302 km (0.083 R)
• M41: 8,287,124 km (0.069 R)
• M42: 8,737,563 km (0.074 R)
• M43: 8,889,554 km (0.099 R)
• M44: 8,954,929 km (0.102 R)
• M45: 9,042,294 km (0.101 R)
• M46: 9,218,071 km (0.051 R)
• M47: 9,729,546 km (0.116 R)
• M48: 9,819,455 km (0.079 R)
• M49: 10,571,782 km (0.096 R)
• M50: 11,177,504 km (0.055 R)
• M51: 11,389,783 km (0.102 R)
• M52: 11,532,201 km (0.113 R)
• M53: 11,675,067 km (0.056 R)
• M54: 12,034,850 km (0.032 R)
• M55: 12,471,526 km (0.098 R)
• M56: 12,913,288 km (0.077 R)
• M57: 13,037,006 km (0.065 R)
• M58: 13,410,252 km (0.094 R)
• M59: 13,510,333 km (0.08 R)
• M60: 13,989,495 km (0.051 R)
• M61: 14,860,753 km (0.11 R)
• M62: 15,146,336 km (0.085 R)
• M63: 15,775,843 km (0.098 R)
• M64: 15,881,609 km (0.09 R)
• M65: 16,440,656 km (0.101 R)
• M66: 16,628,402 km (0.117 R)
• M67: 17,223,352 km (0.113 R)
• M68: 17,441,466 km (0.119 R)
• M69: 17,687,854 km (0.097 R)
• M70: 17,770,133 km (0.101 R)
• M71: 17,990,490 km (0.103 R)
• M72: 18,740,873 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 10.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.69 AU - 8.29 AU

Year: 6819 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 69,602,439 km

• M1: 156,180 km (0.111 R)
• M2: 258,804 km (0.07 R)
• M3: 404,961 km (0.097 R)
• M4: 573,558 km (0.077 R)
• M5: 943,215 km (0.08 R)
• M6: 1,077,553 km (0.091 R)
• M7: 1,336,059 km (0.032 R)
• M8: 1,980,227 km (0.08 R)
• M9: 2,137,305 km (0.095 R)
• M10: 2,371,725 km (0.11 R)
• M11: 2,557,675 km (0.118 R)
• M12: 2,652,669 km (0.115 R)
• M13: 2,826,502 km (0.058 R)
• M14: 3,144,846 km (0.111 R)
• M15: 3,644,055 km (0.098 R)
• M16: 3,816,092 km (0.114 R)
• M17: 4,393,689 km (0.029 R)
• M18: 4,833,208 km (0.068 R)
• M19: 5,046,385 km (0.078 R)
• M20: 5,580,449 km (0.115 R)
• M21: 5,704,316 km (0.092 R)
• M22: 6,107,034 km (0.113 R)
• M23: 6,183,628 km (0.071 R)
• M24: 6,363,445 km (0.066 R)
• M25: 6,492,996 km (0.082 R)
• M26: 6,597,266 km (0.109 R)
• M27: 6,702,134 km (0.067 R)
• M28: 6,940,144 km (0.038 R)
• M29: 7,234,703 km (0.093 R)
• M30: 7,342,862 km (0.039 R)
• M31: 7,864,061 km (0.113 R)
• M32: 8,087,111 km (0.073 R)
• M33: 9,617,049 km (0.109 R)
• M34: 10,005,704 km (0.112 R)
• M35: 10,675,304 km (0.06 R)
• M36: 11,015,639 km (0.065 R)
• M37: 11,202,786 km (0.069 R)
• M38: 11,328,000 km (0.081 R)
• M39: 11,580,072 km (0.046 R)
• M40: 12,218,406 km (0.091 R)
• M41: 12,412,135 km (0.109 R)
• M42: 12,769,973 km (0.079 R)
• M43: 12,868,110 km (0.107 R)
• M44: 13,032,368 km (0.078 R)
• M45: 13,230,286 km (0.094 R)
• M46: 13,830,174 km (0.077 R)
• M47: 13,931,003 km (0.067 R)
• M48: 14,815,276 km (0.078 R)
• M49: 15,090,984 km (0.106 R)
• M50: 15,542,770 km (0.063 R)
• M51: 15,612,632 km (0.054 R)
• M52: 16,352,842 km (0.101 R)
• M53: 16,459,506 km (0.098 R)
• M54: 17,321,189 km (0.118 R)
• M55: 17,757,566 km (0.117 R)
• M56: 18,087,280 km (0.061 R)
• M57: 18,197,683 km (0.108 R)
• M58: 18,901,691 km (0.085 R)
• M59: 19,013,740 km (0.111 R)
• M60: 19,125,938 km (0.091 R)
• M61: 19,313,384 km (0.061 R)
• M62: 19,463,880 km (0.06 R)
• M63: 19,576,976 km (0.073 R)
• M64: 19,690,221 km (0.08 R)
• M65: 20,221,892 km (0.108 R)
• M66: 20,796,797 km (0.08 R)
• M67: 21,144,313 km (0.086 R)
• M68: 22,001,957 km (0.108 R)
• M69: 22,791,385 km (0.076 R)
• M70: 22,910,615 km (0.077 R)
• M71: 23,269,500 km (0.057 R)
• M72: 24,805,421 km (0.116 R)
• M73: 24,928,092 km (0.085 R)
• M74: 25,133,041 km (0.065 R)
• M75: 26,165,715 km (0.084 R)
• M76: 26,499,168 km (0.098 R)
• M77: 26,792,081 km (0.084 R)
• M78: 27,254,488 km (0.095 R)
• M79: 28,657,567 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.2

Radius: 4.5

Gravity: 20.75 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.88 AU - 17.96 AU

Year: 22341 Days

Day: 20.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 69,602,439 km

• M1: 62,233 km (0.078 R)
• M2: 183,706 km (0.118 R)
• M3: 314,604 km (0.117 R)
• M4: 1,371,663 km (0.096 R)
• M5: 1,809,985 km (0.096 R)
• M6: 2,092,425 km (0.096 R)
• M7: 2,768,159 km (0.115 R)
• M8: 3,698,957 km (0.104 R)
• M9: 3,856,334 km (0.105 R)
• M10: 4,055,897 km (0.054 R)
• M11: 4,177,371 km (0.113 R)
• M12: 6,136,953 km (0.082 R)
• M13: 6,892,572 km (0.117 R)
• M14: 7,627,397 km (0.061 R)
• M15: 8,284,132 km (0.062 R)
• M16: 8,593,201 km (0.071 R)
• M17: 9,011,327 km (0.088 R)
• M18: 9,064,135 km (0.102 R)
• M19: 10,085,290 km (0.085 R)
• M20: 10,693,106 km (0.044 R)
• M21: 10,804,856 km (0.113 R)
• M22: 11,199,046 km (0.091 R)
• M23: 14,518,174 km (0.099 R)
• M24: 14,953,055 km (0.107 R)
• M25: 15,455,106 km (0.077 R)
• M26: 15,771,804 km (0.079 R)
• M27: 15,898,963 km (0.119 R)
• M28: 16,218,653 km (0.109 R)
• M29: 16,411,485 km (0.11 R)
• M30: 18,380,642 km (0.11 R)
• M31: 19,189,068 km (0.1 R)
• M32: 19,529,254 km (0.106 R)
• M33: 19,734,353 km (0.105 R)
• M34: 21,471,184 km (0.11 R)
• M35: 26,284,944 km (0.064 R)
• M36: 27,194,499 km (0.048 R)
• M37: 28,037,334 km (0.048 R)
• M38: 28,500,788 km (0.119 R)
• M39: 29,670,194 km (0.117 R)
• M40: 30,458,426 km (0.103 R)
• M41: 30,855,159 km (0.105 R)
• M42: 31,653,713 km (0.119 R)
• M43: 32,621,012 km (0.088 R)
• M44: 33,026,872 km (0.073 R)
• M45: 33,434,376 km (0.103 R)
• M46: 33,761,696 km (0.102 R)
• M47: 33,925,656 km (0.074 R)
• M48: 34,501,757 km (0.101 R)
• M49: 34,667,063 km (0.087 R)
• M50: 36,249,509 km (0.115 R)
• M51: 37,007,372 km (0.088 R)
• M52: 37,685,349 km (0.119 R)
• M53: 41,662,558 km (0.07 R)
• M54: 43,076,856 km (0.081 R)
• M55: 44,237,586 km (0.075 R)
• M56: 44,686,679 km (0.1 R)
• M57: 45,861,621 km (0.097 R)
• M58: 46,407,204 km (0.116 R)
• M59: 47,505,103 km (0.073 R)
• M60: 47,596,956 km (0.112 R)
• M61: 48,149,271 km (0.1 R)
• M62: 48,981,933 km (0.038 R)
• M63: 49,726,033 km (0.025 R)
• M64: 50,006,080 km (0.055 R)
• M65: 52,454,698 km (0.03 R)
• M66: 53,406,739 km (0.059 R)
• M67: 55,038,403 km (0.091 R)
• M68: 55,618,244 km (0.026 R)
• M69: 55,715,034 km (0.077 R)
• M70: 57,663,397 km (0.12 R)
• M71: 57,761,383 km (0.109 R)
• M72: 58,941,711 km (0.109 R)
• M73: 59,040,296 km (0.102 R)
• M74: 60,129,967 km (0.074 R)
• M75: 61,026,207 km (0.116 R)
• M76: 62,328,756 km (0.12 R)
• M77: 64,859,354 km (0.09 R)
• M78: 67,423,312 km (0.114 R)
• M79: 68,043,544 km (0.067 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 20,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit