🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.67 AU - 0.81 AU

Year: 240 Days

Day: 39 Hours

Environment

Temp: 96 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.65 AU - 1.07 AU

Year: 300 Days

Day: 22.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 88.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,895,941 km

• M1: 557,850 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.99 AU - 1.03 AU

Year: 382 Days

Day: 37.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 27,895,941 km

• M1: 365,916 km (0.063 R)
• M2: 581,637 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.14 AU - 1.42 AU

Year: 546 Days

Day: 29.2 Hours

Environment

Temp: -23 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.72 AU - 4.32 AU

Year: 3036 Days

Day: 13.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 10.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.93 AU - 5.21 AU

Year: 3680 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 27,895,941 km

• M1: 147,952 km (0.061 R)
• M2: 368,609 km (0.108 R)
• M3: 516,711 km (0.09 R)
• M4: 650,003 km (0.078 R)
• M5: 978,669 km (0.114 R)
• M6: 1,075,758 km (0.111 R)
• M7: 1,176,138 km (0.059 R)
• M8: 1,386,772 km (0.051 R)
• M9: 1,558,211 km (0.073 R)
• M10: 1,801,308 km (0.086 R)
• M11: 2,492,899 km (0.089 R)
• M12: 2,615,719 km (0.038 R)
• M13: 2,740,633 km (0.11 R)
• M14: 2,931,669 km (0.047 R)
• M15: 3,074,685 km (0.075 R)
• M16: 3,476,355 km (0.093 R)
• M17: 3,795,747 km (0.068 R)
• M18: 4,081,329 km (0.048 R)
• M19: 4,507,833 km (0.085 R)
• M20: 4,612,850 km (0.05 R)
• M21: 4,856,246 km (0.085 R)
• M22: 5,213,486 km (0.051 R)
• M23: 5,292,324 km (0.093 R)
• M24: 5,387,319 km (0.08 R)
• M25: 5,467,054 km (0.066 R)
• M26: 5,887,873 km (0.067 R)
• M27: 6,002,914 km (0.091 R)
• M28: 6,218,634 km (0.117 R)
• M29: 6,453,951 km (0.073 R)
• M30: 6,555,528 km (0.102 R)
• M31: 6,777,831 km (0.072 R)
• M32: 7,054,736 km (0.117 R)
• M33: 7,459,399 km (0.106 R)
• M34: 7,530,607 km (0.053 R)
• M35: 7,637,719 km (0.107 R)
• M36: 7,817,536 km (0.106 R)
• M37: 7,944,096 km (0.088 R)
• M38: 8,162,808 km (0.039 R)
• M39: 8,236,260 km (0.065 R)
• M40: 8,981,856 km (0.037 R)
• M41: 9,114,549 km (0.105 R)
• M42: 9,266,990 km (0.106 R)
• M43: 9,632,607 km (0.109 R)
• M44: 9,865,980 km (0.111 R)
• M45: 10,278,720 km (0.099 R)
• M46: 10,417,697 km (0.082 R)
• M47: 10,557,122 km (0.088 R)
• M48: 10,918,849 km (0.043 R)
• M49: 11,799,083 km (0.063 R)
• M50: 11,944,492 km (0.117 R)
• M51: 12,468,833 km (0.094 R)
• M52: 12,958,018 km (0.12 R)
• M53: 13,583,636 km (0.101 R)
• M54: 13,779,909 km (0.111 R)
• M55: 13,955,088 km (0.088 R)
• M56: 14,263,409 km (0.058 R)
• M57: 14,418,392 km (0.096 R)
• M58: 14,484,963 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.5

Radius: 10.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.16 AU - 6.4 AU

Year: 5235 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 27,895,941 km

• M1: 163,810 km (0.117 R)
• M2: 264,489 km (0.118 R)
• M3: 340,934 km (0.112 R)
• M4: 508,782 km (0.086 R)
• M5: 613,351 km (0.103 R)
• M6: 899,382 km (0.11 R)
• M7: 1,551,779 km (0.108 R)
• M8: 1,670,709 km (0.099 R)
• M9: 1,806,394 km (0.07 R)
• M10: 1,889,720 km (0.074 R)
• M11: 2,447,720 km (0.092 R)
• M12: 2,555,880 km (0.066 R)
• M13: 2,665,834 km (0.064 R)
• M14: 2,874,074 km (0.115 R)
• M15: 3,137,965 km (0.076 R)
• M16: 3,689,383 km (0.08 R)
• M17: 3,940,109 km (0.107 R)
• M18: 4,049,465 km (0.027 R)
• M19: 4,178,119 km (0.105 R)
• M20: 4,345,669 km (0.059 R)
• M21: 4,629,755 km (0.034 R)
• M22: 4,706,648 km (0.072 R)
• M23: 5,018,261 km (0.087 R)
• M24: 5,116,995 km (0.118 R)
• M25: 5,276,466 km (0.045 R)
• M26: 5,600,196 km (0.041 R)
• M27: 5,826,538 km (0.119 R)
• M28: 6,161,338 km (0.114 R)
• M29: 6,246,010 km (0.105 R)
• M30: 6,459,337 km (0.072 R)
• M31: 6,783,964 km (0.092 R)
• M32: 6,871,479 km (0.077 R)
• M33: 7,069,696 km (0.115 R)
• M34: 7,314,588 km (0.025 R)
• M35: 7,652,978 km (0.108 R)
• M36: 7,904,452 km (0.046 R)
• M37: 8,205,144 km (0.106 R)
• M38: 8,298,343 km (0.029 R)
• M39: 8,580,485 km (0.069 R)
• M40: 8,698,817 km (0.103 R)
• M41: 8,770,175 km (0.112 R)
• M42: 8,889,554 km (0.116 R)
• M43: 9,009,382 km (0.086 R)
• M44: 9,347,922 km (0.088 R)
• M45: 9,715,185 km (0.111 R)
• M46: 9,987,603 km (0.036 R)
• M47: 10,262,564 km (0.098 R)
• M48: 10,489,354 km (0.109 R)
• M49: 10,692,358 km (0.076 R)
• M50: 10,999,333 km (0.055 R)
• M51: 11,283,270 km (0.108 R)
• M52: 11,726,827 km (0.104 R)
• M53: 12,043,526 km (0.115 R)
• M54: 12,123,112 km (0.081 R)
• M55: 12,685,151 km (0.066 R)
• M56: 14,421,983 km (0.065 R)
• M57: 14,960,236 km (0.097 R)
• M58: 15,160,248 km (0.109 R)
• M59: 15,678,754 km (0.067 R)
• M60: 16,173,624 km (0.054 R)
• M61: 16,467,285 km (0.08 R)
• M62: 16,614,639 km (0.072 R)
• M63: 16,851,452 km (0.042 R)
• M64: 17,208,841 km (0.095 R)
• M65: 17,628,912 km (0.097 R)
• M66: 17,840,144 km (0.108 R)
• M67: 17,930,950 km (0.045 R)
• M68: 18,113,161 km (0.05 R)
• M69: 19,280,622 km (0.092 R)
• M70: 19,591,936 km (0.103 R)
• M71: 20,061,972 km (0.071 R)
• M72: 20,156,518 km (0.083 R)
• M73: 20,377,474 km (0.118 R)
• M74: 20,790,065 km (0.117 R)
• M75: 20,917,522 km (0.094 R)
• M76: 21,141,321 km (0.068 R)
• M77: 21,526,685 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 11

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.13 AU - 8.65 AU

Year: 8349 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 27,895,941 km

• M1: 143,764 km (0.102 R)
• M2: 437,873 km (0.1 R)
• M3: 544,835 km (0.114 R)
• M4: 650,900 km (0.111 R)
• M5: 1,163,423 km (0.094 R)
• M6: 1,348,924 km (0.075 R)
• M7: 1,453,044 km (0.05 R)
• M8: 1,575,415 km (0.108 R)
• M9: 1,765,554 km (0.111 R)
• M10: 2,239,031 km (0.083 R)
• M11: 2,472,254 km (0.085 R)
• M12: 3,040,427 km (0.073 R)
• M13: 3,859,475 km (0.098 R)
• M14: 4,249,627 km (0.038 R)
• M15: 5,567,434 km (0.113 R)
• M16: 5,860,048 km (0.115 R)
• M17: 6,283,260 km (0.12 R)
• M18: 6,384,388 km (0.037 R)
• M19: 7,371,136 km (0.09 R)
• M20: 7,963,992 km (0.078 R)
• M21: 9,833,666 km (0.067 R)
• M22: 10,039,663 km (0.096 R)
• M23: 11,244,075 km (0.111 R)
• M24: 13,557,606 km (0.067 R)
• M25: 13,819,851 km (0.077 R)
• M26: 13,918,586 km (0.114 R)
• M27: 14,150,014 km (0.032 R)
• M28: 14,249,646 km (0.115 R)
• M29: 14,549,739 km (0.069 R)
• M30: 15,462,735 km (0.045 R)
• M31: 16,151,035 km (0.108 R)
• M32: 16,990,129 km (0.06 R)
• M33: 17,202,110 km (0.064 R)
• M34: 17,308,474 km (0.09 R)
• M35: 18,239,122 km (0.039 R)
• M36: 18,456,189 km (0.089 R)
• M37: 18,966,018 km (0.082 R)
• M38: 19,039,171 km (0.093 R)
• M39: 19,149,275 km (0.085 R)
• M40: 19,259,379 km (0.073 R)
• M41: 20,148,739 km (0.116 R)
• M42: 21,737,169 km (0.054 R)
• M43: 22,198,379 km (0.111 R)
• M44: 22,623,985 km (0.035 R)
• M45: 23,247,958 km (0.026 R)
• M46: 23,837,972 km (0.117 R)
• M47: 24,234,107 km (0.073 R)
• M48: 24,712,371 km (0.107 R)
• M49: 25,233,870 km (0.079 R)
• M50: 25,921,421 km (0.054 R)
• M51: 26,328,776 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 11,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit