🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.43 AU - 0.65 AU

Year: 144 Days

Day: 23.8 Hours

Environment

Temp: 182 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.78 AU - 0.94 AU

Year: 288 Days

Day: 31.2 Hours

Environment

Temp: 118 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.46 AU - 1.84 AU

Year: 767 Days

Day: 23.7 Hours

Environment

Temp: -44 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.38 AU - 1.98 AU

Year: 788 Days

Day: 16.1 Hours

Environment

Temp: -35 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.97 AU - 2.47 AU

Year: 1196 Days

Day: 40.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,771,649 km

• M1: 226,790 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.15 AU - 2.45 AU

Year: 1261 Days

Day: 25.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,771,649 km

• M1: 132,394 km (0.111 R)
• M2: 522,545 km (0.079 R)

Asteroid Belt

Center: 4.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.9

Radius: 10.5

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.05 AU - 7.27 AU

Year: 5529 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 53,771,649 km

• M1: 242,199 km (0.049 R)
• M2: 310,416 km (0.096 R)
• M3: 571,613 km (0.113 R)
• M4: 746,942 km (0.119 R)
• M5: 848,070 km (0.115 R)
• M6: 1,009,187 km (0.114 R)
• M7: 1,166,115 km (0.119 R)
• M8: 1,472,641 km (0.058 R)
• M9: 1,839,007 km (0.105 R)
• M10: 1,944,024 km (0.095 R)
• M11: 2,105,291 km (0.069 R)
• M12: 2,196,845 km (0.047 R)
• M13: 2,557,076 km (0.045 R)
• M14: 2,655,063 km (0.1 R)
• M15: 2,875,121 km (0.11 R)
• M16: 3,205,882 km (0.118 R)
• M17: 3,354,433 km (0.117 R)
• M18: 3,747,127 km (0.105 R)
• M19: 4,108,706 km (0.096 R)
• M20: 4,481,503 km (0.07 R)
• M21: 4,865,222 km (0.047 R)
• M22: 5,135,246 km (0.059 R)
• M23: 5,209,895 km (0.082 R)
• M24: 5,562,348 km (0.074 R)
• M25: 5,767,297 km (0.103 R)
• M26: 6,531,144 km (0.082 R)
• M27: 7,495,153 km (0.106 R)
• M28: 7,750,217 km (0.107 R)
• M29: 8,327,365 km (0.045 R)
• M30: 8,444,351 km (0.102 R)
• M31: 8,918,277 km (0.054 R)
• M32: 9,492,284 km (0.12 R)
• M33: 9,645,323 km (0.118 R)
• M34: 10,675,902 km (0.078 R)
• M35: 11,382,453 km (0.119 R)
• M36: 11,905,747 km (0.081 R)
• M37: 12,137,025 km (0.091 R)
• M38: 12,403,459 km (0.071 R)
• M39: 13,077,696 km (0.093 R)
• M40: 13,316,454 km (0.102 R)
• M41: 14,041,555 km (0.075 R)
• M42: 14,885,886 km (0.044 R)
• M43: 15,638,213 km (0.113 R)
• M44: 16,073,693 km (0.086 R)
• M45: 16,476,410 km (0.074 R)
• M46: 16,882,419 km (0.055 R)
• M47: 17,403,917 km (0.108 R)
• M48: 17,817,406 km (0.059 R)
• M49: 18,501,068 km (0.092 R)
• M50: 18,846,041 km (0.07 R)
• M51: 19,154,511 km (0.07 R)
• M52: 19,776,539 km (0.071 R)
• M53: 19,972,363 km (0.118 R)
• M54: 20,050,752 km (0.084 R)
• M55: 20,841,227 km (0.109 R)
• M56: 20,960,756 km (0.094 R)
• M57: 21,200,262 km (0.111 R)
• M58: 21,360,482 km (0.112 R)
• M59: 21,561,392 km (0.107 R)
• M60: 22,005,398 km (0.057 R)
• M61: 22,208,253 km (0.06 R)
• M62: 22,411,706 km (0.057 R)
• M63: 22,615,907 km (0.094 R)
• M64: 23,231,801 km (0.113 R)
• M65: 23,562,712 km (0.095 R)
• M66: 23,728,616 km (0.102 R)
• M67: 24,187,133 km (0.083 R)
• M68: 24,522,382 km (0.074 R)
• M69: 24,859,277 km (0.098 R)
• M70: 26,307,833 km (0.109 R)
• M71: 26,609,422 km (0.082 R)
• M72: 28,090,740 km (0.059 R)
• M73: 29,822,635 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 10.6

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.91 AU - 13.21 AU

Year: 14214 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 53,771,649 km

• M1: 631,153 km (0.096 R)
• M2: 950,246 km (0.071 R)
• M3: 1,518,269 km (0.08 R)
• M4: 1,595,910 km (0.115 R)
• M5: 1,755,531 km (0.067 R)
• M6: 2,355,867 km (0.114 R)
• M7: 2,789,551 km (0.072 R)
• M8: 3,660,660 km (0.073 R)
• M9: 4,016,852 km (0.098 R)
• M10: 4,724,450 km (0.117 R)
• M11: 4,917,132 km (0.036 R)
• M12: 5,919,289 km (0.062 R)
• M13: 6,808,797 km (0.116 R)
• M14: 7,026,612 km (0.111 R)
• M15: 7,784,924 km (0.083 R)
• M16: 10,261,816 km (0.112 R)
• M17: 11,171,670 km (0.116 R)
• M18: 11,480,589 km (0.032 R)
• M19: 12,054,596 km (0.074 R)
• M20: 12,531,066 km (0.118 R)
• M21: 13,067,823 km (0.074 R)
• M22: 14,386,378 km (0.092 R)
• M23: 14,666,426 km (0.035 R)
• M24: 14,778,923 km (0.099 R)
• M25: 14,891,870 km (0.109 R)
• M26: 15,345,899 km (0.091 R)
• M27: 16,326,064 km (0.057 R)
• M28: 16,794,306 km (0.097 R)
• M29: 17,030,072 km (0.074 R)
• M30: 17,148,404 km (0.072 R)
• M31: 17,744,103 km (0.089 R)
• M32: 18,346,533 km (0.101 R)
• M33: 19,016,881 km (0.093 R)
• M34: 19,386,089 km (0.089 R)
• M35: 19,757,540 km (0.066 R)
• M36: 19,944,089 km (0.105 R)
• M37: 20,319,131 km (0.108 R)
• M38: 21,203,105 km (0.066 R)
• M39: 21,521,898 km (0.083 R)
• M40: 22,422,926 km (0.06 R)
• M41: 22,682,628 km (0.082 R)
• M42: 23,139,499 km (0.107 R)
• M43: 23,797,431 km (0.088 R)
• M44: 23,863,553 km (0.106 R)
• M45: 24,128,790 km (0.097 R)
• M46: 25,672,341 km (0.083 R)
• M47: 27,109,378 km (0.05 R)
• M48: 27,316,870 km (0.077 R)
• M49: 27,733,351 km (0.07 R)
• M50: 28,361,961 km (0.114 R)
• M51: 28,432,123 km (0.086 R)
• M52: 28,713,217 km (0.077 R)
• M53: 29,065,819 km (0.115 R)
• M54: 29,846,870 km (0.065 R)
• M55: 30,061,094 km (0.115 R)
• M56: 30,275,767 km (0.074 R)
• M57: 30,706,758 km (0.091 R)
• M58: 31,938,846 km (0.113 R)
• M59: 32,744,730 km (0.055 R)
• M60: 32,818,332 km (0.083 R)
• M61: 34,750,987 km (0.1 R)
• M62: 34,901,183 km (0.034 R)
• M63: 35,428,516 km (0.04 R)
• M64: 35,958,541 km (0.094 R)
• M65: 36,034,387 km (0.086 R)
• M66: 37,872,795 km (0.103 R)
• M67: 39,193,296 km (0.103 R)
• M68: 39,271,535 km (0.053 R)
• M69: 40,134,566 km (0.074 R)
• M70: 40,292,092 km (0.117 R)
• M71: 41,401,061 km (0.095 R)
• M72: 44,054,479 km (0.088 R)
• M73: 44,216,942 km (0.06 R)
• M74: 44,869,338 km (0.072 R)
• M75: 45,524,876 km (0.052 R)
• M76: 47,011,280 km (0.086 R)
• M77: 48,513,542 km (0.048 R)
• M78: 49,777,495 km (0.099 R)
• M79: 50,285,978 km (0.095 R)
• M80: 50,626,014 km (0.114 R)
• M81: 51,822,198 km (0.105 R)
• M82: 52,596,068 km (0.07 R)
• M83: 52,682,237 km (0.075 R)
• M84: 52,854,872 km (0.06 R)
• M85: 54,678,321 km (0.071 R)
• M86: 59,012,470 km (0.059 R)
• M87: 59,371,057 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.9

Radius: 6.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 15.36 AU - 18.1 AU

Year: 24748 Days

Day: 17.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 53,771,649 km

• M1: 194,477 km (0.113 R)
• M2: 437,275 km (0.046 R)
• M3: 797,207 km (0.105 R)
• M4: 855,251 km (0.062 R)
• M5: 1,037,760 km (0.084 R)
• M6: 1,559,558 km (0.038 R)
• M7: 1,758,074 km (0.065 R)
• M8: 2,179,491 km (0.108 R)
• M9: 2,515,638 km (0.092 R)
• M10: 2,838,021 km (0.11 R)
• M11: 2,958,597 km (0.079 R)
• M12: 3,204,686 km (0.029 R)
• M13: 3,586,310 km (0.108 R)
• M14: 4,567,223 km (0.082 R)
• M15: 4,923,715 km (0.117 R)
• M16: 5,777,320 km (0.117 R)
• M17: 6,358,508 km (0.114 R)
• M18: 6,516,633 km (0.112 R)
• M19: 7,203,137 km (0.071 R)
• M20: 8,643,915 km (0.082 R)
• M21: 8,819,243 km (0.086 R)
• M22: 9,039,900 km (0.102 R)
• M23: 9,262,502 km (0.083 R)
• M24: 9,849,524 km (0.1 R)
• M25: 15,223,528 km (0.087 R)
• M26: 17,439,521 km (0.098 R)
• M27: 17,550,074 km (0.103 R)
• M28: 18,726,063 km (0.057 R)
• M29: 19,696,355 km (0.046 R)
• M30: 20,042,824 km (0.065 R)
• M31: 21,035,256 km (0.064 R)
• M32: 21,804,787 km (0.11 R)
• M33: 21,983,706 km (0.11 R)
• M34: 24,045,315 km (0.095 R)
• M35: 24,106,949 km (0.07 R)
• M36: 24,974,317 km (0.11 R)
• M37: 25,663,066 km (0.083 R)
• M38: 26,358,098 km (0.062 R)
• M39: 27,251,496 km (0.061 R)
• M40: 27,315,674 km (0.111 R)
• M41: 27,572,982 km (0.095 R)
• M42: 28,219,694 km (0.051 R)
• M43: 28,349,694 km (0.066 R)
• M44: 28,610,144 km (0.087 R)
• M45: 28,936,866 km (0.075 R)
• M46: 29,990,783 km (0.111 R)
• M47: 30,256,169 km (0.087 R)
• M48: 32,135,867 km (0.092 R)
• M49: 32,611,737 km (0.06 R)
• M50: 34,053,113 km (0.075 R)
• M51: 34,330,019 km (0.076 R)
• M52: 36,359,912 km (0.097 R)
• M53: 38,861,039 km (0.099 R)
• M54: 39,005,550 km (0.084 R)
• M55: 41,195,813 km (0.067 R)
• M56: 42,752,678 km (0.112 R)
• M57: 43,951,705 km (0.088 R)
• M58: 44,253,145 km (0.071 R)
• M59: 44,706,725 km (0.12 R)
• M60: 45,618,375 km (0.071 R)
• M61: 46,689,645 km (0.1 R)
• M62: 46,766,538 km (0.045 R)
• M63: 48,545,407 km (0.104 R)
• M64: 49,952,973 km (0.096 R)
• M65: 50,346,415 km (0.098 R)
• M66: 51,057,005 km (0.103 R)
• M67: 51,215,429 km (0.029 R)
• M68: 51,532,727 km (0.075 R)
• M69: 52,568,243 km (0.079 R)
• M70: 53,530,307 km (0.113 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 13,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit