🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.92 AU - 1.34 AU

Year: 460 Days

Day: 20.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.37 AU - 1.45 AU

Year: 641 Days

Day: 39.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.32 AU - 1.8 AU

Year: 746 Days

Day: 27.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.45 AU - 2.25 AU

Year: 963 Days

Day: 27.9 Hours

Environment

Temp: -79 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.6 AU - 4.46 AU

Year: 3098 Days

Day: 44.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 9.9

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.51 AU - 5.27 AU

Year: 4140 Days

Day: 10.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 140.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 32,560,209 km

• M1: 161,117 km (0.119 R)
• M2: 244,443 km (0.066 R)
• M3: 312,660 km (0.037 R)
• M4: 418,126 km (0.119 R)
• M5: 580,889 km (0.114 R)
• M6: 753,674 km (0.061 R)
• M7: 1,623,286 km (0.099 R)
• M8: 1,787,994 km (0.11 R)
• M9: 1,872,517 km (0.091 R)
• M10: 1,993,092 km (0.089 R)
• M11: 2,188,018 km (0.116 R)
• M12: 2,426,477 km (0.041 R)
• M13: 2,501,576 km (0.09 R)
• M14: 2,809,897 km (0.108 R)
• M15: 2,948,724 km (0.108 R)
• M16: 3,029,058 km (0.112 R)
• M17: 3,191,970 km (0.095 R)
• M18: 3,378,818 km (0.03 R)
• M19: 3,526,620 km (0.081 R)
• M20: 3,982,894 km (0.068 R)
• M21: 4,206,842 km (0.108 R)
• M22: 4,481,055 km (0.104 R)
• M23: 4,879,583 km (0.096 R)
• M24: 4,998,962 km (0.09 R)
• M25: 5,610,668 km (0.089 R)
• M26: 6,014,582 km (0.105 R)
• M27: 6,168,519 km (0.102 R)
• M28: 6,506,460 km (0.067 R)
• M29: 6,585,298 km (0.067 R)
• M30: 6,717,393 km (0.073 R)
• M31: 7,092,136 km (0.071 R)
• M32: 7,309,352 km (0.081 R)
• M33: 7,473,760 km (0.083 R)
• M34: 8,002,289 km (0.089 R)
• M35: 8,370,898 km (0.085 R)
• M36: 8,832,258 km (0.067 R)
• M37: 8,978,116 km (0.071 R)
• M38: 9,095,401 km (0.086 R)
• M39: 9,272,375 km (0.078 R)
• M40: 9,361,236 km (0.078 R)
• M41: 9,689,454 km (0.095 R)
• M42: 10,357,558 km (0.112 R)
• M43: 10,666,029 km (0.11 R)
• M44: 10,728,112 km (0.089 R)
• M45: 10,821,461 km (0.066 R)
• M46: 11,323,960 km (0.11 R)
• M47: 11,482,534 km (0.119 R)
• M48: 11,801,776 km (0.115 R)
• M49: 13,041,942 km (0.051 R)
• M50: 13,108,364 km (0.105 R)
• M51: 13,308,376 km (0.087 R)
• M52: 16,931,337 km (0.109 R)
• M53: 17,258,358 km (0.072 R)
• M54: 17,514,171 km (0.075 R)
• M55: 17,918,683 km (0.069 R)
• M56: 19,226,468 km (0.119 R)
• M57: 19,719,991 km (0.087 R)
• M58: 19,796,286 km (0.109 R)
• M59: 20,217,703 km (0.085 R)
• M60: 20,294,746 km (0.097 R)
• M61: 20,835,991 km (0.064 R)
• M62: 21,069,514 km (0.104 R)
• M63: 21,421,368 km (0.101 R)
• M64: 22,170,404 km (0.057 R)
• M65: 22,289,484 km (0.072 R)
• M66: 23,088,636 km (0.045 R)
• M67: 23,694,208 km (0.084 R)
• M68: 24,427,836 km (0.105 R)
• M69: 25,086,217 km (0.084 R)
• M70: 26,126,520 km (0.087 R)
• M71: 26,926,570 km (0.046 R)
• M72: 27,692,062 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 13.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.74 AU - 7.48 AU

Year: 5783 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 32,560,209 km

• M1: 208,539 km (0.109 R)
• M2: 316,998 km (0.118 R)
• M3: 517,908 km (0.078 R)
• M4: 655,987 km (0.093 R)
• M5: 756,367 km (0.115 R)
• M6: 890,257 km (0.119 R)
• M7: 1,003,802 km (0.062 R)
• M8: 1,184,217 km (0.045 R)
• M9: 1,376,001 km (0.096 R)
• M10: 1,544,000 km (0.069 R)
• M11: 1,683,574 km (0.034 R)
• M12: 2,325,050 km (0.118 R)
• M13: 2,486,616 km (0.039 R)
• M14: 2,610,333 km (0.089 R)
• M15: 3,081,716 km (0.038 R)
• M16: 3,192,718 km (0.074 R)
• M17: 4,055,598 km (0.105 R)
• M18: 4,300,939 km (0.085 R)
• M19: 5,066,281 km (0.064 R)
• M20: 5,277,663 km (0.093 R)
• M21: 5,411,254 km (0.086 R)
• M22: 5,901,486 km (0.092 R)
• M23: 7,517,143 km (0.098 R)
• M24: 7,607,501 km (0.074 R)
• M25: 7,698,157 km (0.115 R)
• M26: 7,880,517 km (0.086 R)
• M27: 8,187,641 km (0.053 R)
• M28: 8,342,624 km (0.069 R)
• M29: 8,624,317 km (0.106 R)
• M30: 8,718,863 km (0.055 R)
• M31: 8,813,858 km (0.074 R)
• M32: 8,940,866 km (0.098 R)
• M33: 9,132,651 km (0.109 R)
• M34: 9,487,946 km (0.108 R)
• M35: 9,716,382 km (0.117 R)
• M36: 9,847,729 km (0.115 R)
• M37: 10,012,885 km (0.101 R)
• M38: 10,379,250 km (0.034 R)
• M39: 10,513,439 km (0.028 R)
• M40: 11,262,625 km (0.119 R)
• M41: 11,608,944 km (0.113 R)
• M42: 11,818,381 km (0.035 R)
• M43: 12,099,625 km (0.098 R)
• M44: 12,740,503 km (0.077 R)
• M45: 12,956,672 km (0.112 R)
• M46: 13,833,166 km (0.037 R)
• M47: 14,055,318 km (0.074 R)
• M48: 14,278,668 km (0.099 R)
• M49: 15,031,744 km (0.084 R)
• M50: 15,183,885 km (0.114 R)
• M51: 15,952,369 km (0.103 R)
• M52: 16,537,147 km (0.07 R)
• M53: 16,930,889 km (0.067 R)
• M54: 17,128,956 km (0.111 R)
• M55: 17,848,223 km (0.076 R)
• M56: 18,171,055 km (0.073 R)
• M57: 18,781,713 km (0.118 R)
• M58: 18,945,673 km (0.072 R)
• M59: 19,151,370 km (0.111 R)
• M60: 19,357,665 km (0.092 R)
• M61: 20,780,640 km (0.05 R)
• M62: 21,120,377 km (0.058 R)
• M63: 21,248,283 km (0.116 R)
• M64: 22,150,658 km (0.099 R)
• M65: 22,802,904 km (0.088 R)
• M66: 23,021,616 km (0.086 R)
• M67: 23,197,244 km (0.083 R)
• M68: 23,373,171 km (0.097 R)
• M69: 24,081,667 km (0.098 R)
• M70: 24,438,607 km (0.082 R)
• M71: 25,112,396 km (0.033 R)
• M72: 25,383,767 km (0.086 R)
• M73: 26,157,636 km (0.096 R)
• M74: 27,216,939 km (0.109 R)
• M75: 27,542,165 km (0.116 R)
• M76: 28,243,330 km (0.115 R)
• M77: 29,235,014 km (0.119 R)
• M78: 30,286,089 km (0.103 R)
• M79: 30,478,472 km (0.064 R)
• M80: 31,106,633 km (0.066 R)
• M81: 31,495,438 km (0.102 R)
• M82: 32,081,563 km (0.112 R)
• M83: 32,474,257 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 12.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.36 AU - 6.54 AU

Year: 6272 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 32,560,209 km

• M1: 159,621 km (0.077 R)
• M2: 255,364 km (0.046 R)
• M3: 597,643 km (0.043 R)
• M4: 681,269 km (0.11 R)
• M5: 782,696 km (0.039 R)
• M6: 903,721 km (0.045 R)
• M7: 1,436,888 km (0.075 R)
• M8: 2,134,014 km (0.065 R)
• M9: 2,368,134 km (0.084 R)
• M10: 2,672,566 km (0.088 R)
• M11: 3,054,938 km (0.079 R)
• M12: 3,387,045 km (0.08 R)
• M13: 3,801,132 km (0.1 R)
• M14: 3,990,374 km (0.096 R)
• M15: 4,086,266 km (0.084 R)
• M16: 4,627,212 km (0.058 R)
• M17: 5,086,776 km (0.069 R)
• M18: 5,217,076 km (0.062 R)
• M19: 5,830,876 km (0.029 R)
• M20: 6,299,417 km (0.095 R)
• M21: 6,580,810 km (0.103 R)
• M22: 6,952,711 km (0.028 R)
• M23: 7,068,499 km (0.115 R)
• M24: 7,155,865 km (0.117 R)
• M25: 7,419,905 km (0.032 R)
• M26: 7,568,156 km (0.074 R)
• M27: 7,747,075 km (0.085 R)
• M28: 8,048,665 km (0.073 R)
• M29: 8,262,141 km (0.09 R)
• M30: 8,415,778 km (0.067 R)
• M31: 8,601,429 km (0.082 R)
• M32: 8,694,628 km (0.103 R)
• M33: 8,788,277 km (0.083 R)
• M34: 8,913,789 km (0.053 R)
• M35: 9,970,997 km (0.05 R)
• M36: 10,233,242 km (0.095 R)
• M37: 10,464,670 km (0.067 R)
• M38: 10,731,254 km (0.051 R)
• M39: 11,681,948 km (0.093 R)
• M40: 12,167,393 km (0.119 R)
• M41: 12,482,895 km (0.098 R)
• M42: 13,991,290 km (0.045 R)
• M43: 14,137,896 km (0.041 R)
• M44: 15,329,593 km (0.025 R)
• M45: 16,475,812 km (0.117 R)
• M46: 17,333,905 km (0.109 R)
• M47: 17,491,581 km (0.118 R)
• M48: 18,206,659 km (0.111 R)
• M49: 18,890,770 km (0.06 R)
• M50: 19,624,249 km (0.102 R)
• M51: 19,747,517 km (0.117 R)
• M52: 20,284,125 km (0.047 R)
• M53: 21,965,605 km (0.116 R)
• M54: 22,178,932 km (0.058 R)
• M55: 22,307,286 km (0.094 R)
• M56: 22,478,726 km (0.09 R)
• M57: 22,607,679 km (0.119 R)
• M58: 23,516,935 km (0.112 R)
• M59: 23,778,881 km (0.11 R)
• M60: 24,173,670 km (0.032 R)
• M61: 24,792,107 km (0.097 R)
• M62: 25,058,691 km (0.041 R)
• M63: 25,550,120 km (0.113 R)
• M64: 25,729,487 km (0.096 R)
• M65: 27,180,288 km (0.107 R)
• M66: 27,455,248 km (0.098 R)
• M67: 28,193,065 km (0.113 R)
• M68: 28,378,417 km (0.111 R)
• M69: 28,983,989 km (0.043 R)
• M70: 29,735,270 km (0.075 R)
• M71: 30,160,576 km (0.097 R)
• M72: 30,255,421 km (0.088 R)
• M73: 30,397,839 km (0.089 R)
• M74: 31,065,195 km (0.068 R)
• M75: 31,400,743 km (0.081 R)
• M76: 31,544,805 km (0.071 R)
• M77: 31,930,469 km (0.071 R)
• M78: 32,172,219 km (0.069 R)
• M79: 32,317,478 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 16,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit