🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.46 AU - 0.62 AU

Year: 177 Days

Day: 28.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 16,997,904 km

• M1: 235,317 km (0.115 R)
• M2: 447,896 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.49 AU - 0.77 AU

Year: 223 Days

Day: 37.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 6.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 16,997,904 km

• M1: 286,630 km (0.055 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.61 AU - 0.73 AU

Year: 245 Days

Day: 25.9 Hours

Environment

Temp: 2 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.92 AU - 1.42 AU

Year: 565 Days

Day: 19.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.08 AU - 1.34 AU

Year: 594 Days

Day: 14.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.74 AU - 2.16 AU

Year: 1215 Days

Day: 21.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 13.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.74 AU - 6.38 AU

Year: 5850 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 16,997,904 km

• M1: 397,482 km (0.052 R)
• M2: 507,137 km (0.075 R)
• M3: 682,465 km (0.116 R)
• M4: 880,533 km (0.113 R)
• M5: 1,066,633 km (0.109 R)
• M6: 1,479,224 km (0.054 R)
• M7: 1,590,225 km (0.112 R)
• M8: 1,960,929 km (0.06 R)
• M9: 2,251,747 km (0.112 R)
• M10: 2,468,215 km (0.067 R)
• M11: 2,601,507 km (0.119 R)
• M12: 3,377,621 km (0.09 R)
• M13: 3,907,496 km (0.094 R)
• M14: 4,490,778 km (0.098 R)
• M15: 4,682,114 km (0.08 R)
• M16: 4,820,492 km (0.111 R)
• M17: 5,044,889 km (0.111 R)
• M18: 5,738,574 km (0.096 R)
• M19: 6,126,930 km (0.082 R)
• M20: 7,151,227 km (0.081 R)
• M21: 7,310,998 km (0.041 R)
• M22: 7,407,488 km (0.1 R)
• M23: 7,504,428 km (0.105 R)
• M24: 7,765,027 km (0.057 R)
• M25: 8,061,680 km (0.09 R)
• M26: 8,362,222 km (0.108 R)
• M27: 8,939,819 km (0.111 R)
• M28: 9,181,420 km (0.107 R)
• M29: 9,460,270 km (0.109 R)
• M30: 9,848,327 km (0.081 R)
• M31: 10,133,760 km (0.063 R)
• M32: 10,313,576 km (0.042 R)
• M33: 11,340,267 km (0.119 R)
• M34: 11,714,710 km (0.101 R)
• M35: 12,017,347 km (0.117 R)
• M36: 12,131,490 km (0.11 R)
• M37: 12,553,206 km (0.101 R)
• M38: 13,096,695 km (0.091 R)
• M39: 13,727,549 km (0.11 R)
• M40: 13,846,929 km (0.083 R)
• M41: 14,166,918 km (0.08 R)
• M42: 14,408,519 km (0.114 R)
• M43: 15,637,166 km (0.116 R)
• M44: 15,928,732 km (0.052 R)
• M45: 16,686,595 km (0.052 R)
• M46: 17,542,445 km (0.038 R)
• M47: 17,628,912 km (0.089 R)
• M48: 18,150,111 km (0.071 R)
• M49: 18,237,476 km (0.076 R)
• M50: 18,456,637 km (0.066 R)
• M51: 19,030,196 km (0.089 R)
• M52: 19,296,929 km (0.091 R)
• M53: 19,609,738 km (0.097 R)
• M54: 20,421,755 km (0.114 R)
• M55: 20,740,548 km (0.114 R)
• M56: 21,382,921 km (0.057 R)
• M57: 22,125,226 km (0.118 R)
• M58: 22,218,575 km (0.09 R)
• M59: 23,587,395 km (0.091 R)
• M60: 24,017,639 km (0.12 R)
• M61: 24,113,681 km (0.115 R)
• M62: 24,209,723 km (0.115 R)
• M63: 25,129,151 km (0.117 R)
• M64: 25,814,010 km (0.076 R)
• M65: 25,961,514 km (0.091 R)
• M66: 27,703,581 km (0.084 R)
• M67: 29,022,137 km (0.11 R)
• M68: 29,124,312 km (0.111 R)
• M69: 29,329,261 km (0.059 R)
• M70: 29,483,197 km (0.115 R)
• M71: 30,412,798 km (0.047 R)
• M72: 30,620,739 km (0.109 R)
• M73: 30,724,859 km (0.059 R)
• M74: 30,933,399 km (0.113 R)
• M75: 31,299,614 km (0.109 R)
• M76: 32,619,068 km (0.112 R)
• M77: 34,659,433 km (0.112 R)
• M78: 34,876,649 km (0.1 R)
• M79: 35,094,164 km (0.084 R)
• M80: 35,476,237 km (0.071 R)
• M81: 36,685,437 km (0.054 R)
• M82: 36,851,491 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 10.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.85 AU - 6.87 AU

Year: 6330 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 16,997,904 km

• M1: 159,920 km (0.103 R)
• M2: 238,908 km (0.095 R)
• M3: 356,043 km (0.113 R)
• M4: 532,269 km (0.081 R)
• M5: 626,366 km (0.03 R)
• M6: 1,003,353 km (0.092 R)
• M7: 1,138,739 km (0.11 R)
• M8: 1,280,707 km (0.117 R)
• M9: 2,212,852 km (0.106 R)
• M10: 2,432,461 km (0.117 R)
• M11: 2,596,869 km (0.112 R)
• M12: 2,786,111 km (0.03 R)
• M13: 3,200,796 km (0.064 R)
• M14: 3,518,841 km (0.102 R)
• M15: 3,611,592 km (0.119 R)
• M16: 3,776,000 km (0.086 R)
• M17: 4,584,128 km (0.112 R)
• M18: 4,685,705 km (0.105 R)
• M19: 4,813,760 km (0.077 R)
• M20: 5,444,615 km (0.102 R)
• M21: 5,552,175 km (0.097 R)
• M22: 5,879,645 km (0.025 R)
• M23: 6,382,444 km (0.085 R)
• M24: 6,581,858 km (0.108 R)
• M25: 6,667,876 km (0.104 R)
• M26: 7,162,596 km (0.098 R)
• M27: 7,340,169 km (0.092 R)
• M28: 7,881,414 km (0.093 R)
• M29: 8,034,004 km (0.036 R)
• M30: 8,591,705 km (0.089 R)
• M31: 8,906,908 km (0.09 R)
• M32: 9,002,351 km (0.098 R)
• M33: 9,193,986 km (0.117 R)
• M34: 9,386,967 km (0.032 R)
• M35: 9,875,554 km (0.084 R)
• M36: 10,007,200 km (0.111 R)
• M37: 10,674,257 km (0.12 R)
• M38: 12,192,077 km (0.088 R)
• M39: 12,724,944 km (0.087 R)
• M40: 13,120,481 km (0.082 R)
• M41: 13,483,705 km (0.053 R)
• M42: 13,960,772 km (0.075 R)
• M43: 15,044,759 km (0.084 R)
• M44: 15,120,605 km (0.118 R)
• M45: 15,196,451 km (0.05 R)
• M46: 15,386,739 km (0.102 R)
• M47: 15,501,331 km (0.119 R)
• M48: 15,692,817 km (0.091 R)
• M49: 16,272,209 km (0.066 R)
• M50: 17,412,295 km (0.067 R)
• M51: 17,771,329 km (0.109 R)
• M52: 17,931,698 km (0.05 R)
• M53: 18,173,000 km (0.107 R)
• M54: 18,537,271 km (0.091 R)
• M55: 18,740,574 km (0.079 R)
• M56: 19,190,714 km (0.109 R)
• M57: 19,768,611 km (0.051 R)
• M58: 20,059,728 km (0.025 R)
• M59: 20,436,116 km (0.1 R)
• M60: 20,983,944 km (0.099 R)
• M61: 21,238,410 km (0.068 R)
• M62: 21,408,652 km (0.082 R)
• M63: 21,964,857 km (0.116 R)
• M64: 22,223,362 km (0.106 R)
• M65: 22,352,914 km (0.119 R)
• M66: 22,699,682 km (0.096 R)
• M67: 22,786,598 km (0.034 R)
• M68: 24,683,050 km (0.08 R)
• M69: 25,266,332 km (0.091 R)
• M70: 25,899,580 km (0.096 R)
• M71: 26,355,106 km (0.117 R)
• M72: 26,446,510 km (0.055 R)
• M73: 27,089,482 km (0.112 R)
• M74: 27,877,114 km (0.056 R)
• M75: 29,617,237 km (0.11 R)
• M76: 29,759,804 km (0.107 R)
• M77: 29,902,670 km (0.067 R)
• M78: 30,237,021 km (0.087 R)
• M79: 32,758,493 km (0.05 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 13.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.83 AU - 7.07 AU

Year: 8176 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 16,997,904 km

• M1: 286,480 km (0.043 R)
• M2: 382,821 km (0.111 R)
• M3: 588,668 km (0.103 R)
• M4: 853,605 km (0.118 R)
• M5: 996,920 km (0.114 R)
• M6: 1,299,407 km (0.111 R)
• M7: 1,521,410 km (0.036 R)
• M8: 1,631,664 km (0.048 R)
• M9: 1,744,910 km (0.1 R)
• M10: 2,162,288 km (0.109 R)
• M11: 2,262,369 km (0.108 R)
• M12: 2,480,034 km (0.096 R)
• M13: 2,731,657 km (0.1 R)
• M14: 2,840,265 km (0.101 R)
• M15: 2,950,369 km (0.117 R)
• M16: 3,174,766 km (0.056 R)
• M17: 3,700,603 km (0.101 R)
• M18: 4,285,530 km (0.116 R)
• M19: 5,438,331 km (0.093 R)
• M20: 6,102,845 km (0.101 R)
• M21: 6,627,186 km (0.104 R)
• M22: 6,737,589 km (0.076 R)
• M23: 7,166,336 km (0.118 R)
• M24: 7,527,316 km (0.065 R)
• M25: 7,738,997 km (0.044 R)
• M26: 7,972,220 km (0.039 R)
• M27: 8,188,090 km (0.084 R)
• M28: 8,545,479 km (0.088 R)
• M29: 9,815,715 km (0.083 R)
• M30: 10,153,058 km (0.096 R)
• M31: 10,731,104 km (0.098 R)
• M32: 10,991,554 km (0.06 R)
• M33: 11,319,921 km (0.091 R)
• M34: 11,696,010 km (0.049 R)
• M35: 11,829,751 km (0.073 R)
• M36: 12,506,232 km (0.106 R)
• M37: 12,734,519 km (0.075 R)
• M38: 13,125,717 km (0.11 R)
• M39: 13,637,940 km (0.105 R)
• M40: 13,802,348 km (0.116 R)
• M41: 14,227,954 km (0.079 R)
• M42: 14,418,542 km (0.098 R)
• M43: 14,633,963 km (0.096 R)
• M44: 14,922,986 km (0.089 R)
• M45: 15,092,331 km (0.046 R)
• M46: 15,262,424 km (0.104 R)
• M47: 15,482,033 km (0.101 R)
• M48: 15,580,020 km (0.104 R)
• M49: 15,702,690 km (0.059 R)
• M50: 16,196,812 km (0.114 R)
• M51: 16,445,743 km (0.048 R)
• M52: 16,570,657 km (0.097 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: 185 - 13,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit