🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 13

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.68 AU - 0.96 AU

Year: 513 Days

Day: 11.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,037,448 km

• M1: 163,510 km (0.067 R)
• M2: 733,628 km (0.118 R)
• M3: 1,141,881 km (0.076 R)
• M4: 1,571,675 km (0.118 R)
• M5: 2,349,135 km (0.08 R)
• M6: 2,793,291 km (0.109 R)
• M7: 3,326,458 km (0.037 R)
• M8: 3,866,207 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 8.5

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.74 AU - 1.16 AU

Year: 639 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,037,448 km

• M1: 105,766 km (0.095 R)
• M2: 388,057 km (0.082 R)
• M3: 697,126 km (0.097 R)
• M4: 1,175,390 km (0.116 R)
• M5: 1,738,477 km (0.112 R)
• M6: 2,240,228 km (0.056 R)
• M7: 2,752,750 km (0.103 R)
• M8: 3,490,717 km (0.044 R)
• M9: 4,434,978 km (0.051 R)
• M10: 4,993,128 km (0.066 R)
• M11: 5,521,657 km (0.097 R)
• M12: 7,378,317 km (0.063 R)
• M13: 7,657,167 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 11

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.01 AU - 1.29 AU

Year: 851 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,037,448 km

• M1: 137,032 km (0.076 R)
• M2: 484,248 km (0.049 R)
• M3: 826,379 km (0.103 R)
• M4: 1,169,556 km (0.104 R)
• M5: 2,099,756 km (0.084 R)
• M6: 2,459,389 km (0.104 R)
• M7: 2,849,241 km (0.067 R)
• M8: 3,219,645 km (0.081 R)
• M9: 4,130,098 km (0.062 R)
• M10: 4,747,638 km (0.057 R)
• M11: 5,356,950 km (0.076 R)
• M12: 6,552,985 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 14.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.2 AU - 1.66 AU

Year: 1180 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,037,448 km

• M1: 181,612 km (0.09 R)
• M2: 726,148 km (0.088 R)
• M3: 1,219,223 km (0.04 R)
• M4: 2,342,104 km (0.069 R)
• M5: 3,676,068 km (0.081 R)
• M6: 4,242,147 km (0.09 R)
• M7: 4,828,870 km (0.054 R)
• M8: 6,594,873 km (0.086 R)
• M9: 7,066,854 km (0.1 R)
• M10: 7,663,151 km (0.11 R)
• M11: 9,099,590 km (0.05 R)
• M12: 9,596,554 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 10.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.04 AU - 2.24 AU

Year: 2161 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,037,448 km

• M1: 150,645 km (0.113 R)
• M2: 601,383 km (0.115 R)
• M3: 1,794,277 km (0.117 R)
• M4: 2,183,830 km (0.074 R)
• M5: 3,149,484 km (0.073 R)
• M6: 3,706,437 km (0.113 R)
• M7: 6,049,289 km (0.093 R)
• M8: 9,353,756 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.5

Radius: 12.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.59 AU - 3.81 AU

Year: 3951 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,037,448 km

• M1: 151,692 km (0.114 R)
• M2: 724,502 km (0.102 R)
• M3: 1,177,784 km (0.069 R)
• M4: 1,559,259 km (0.093 R)
• M5: 2,012,091 km (0.074 R)
• M6: 2,583,854 km (0.093 R)
• M7: 3,262,430 km (0.08 R)
• M8: 4,077,888 km (0.074 R)
• M9: 4,545,980 km (0.079 R)
• M10: 6,084,744 km (0.04 R)
• M11: 7,066,854 km (0.038 R)
• M12: 8,536,952 km (0.118 R)
• M13: 11,368,541 km (0.119 R)
• M14: 16,432,129 km (0.101 R)
• M15: 17,797,659 km (0.073 R)
• M16: 18,809,688 km (0.049 R)
• M17: 19,796,885 km (0.045 R)
• M18: 23,737,592 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.8

Radius: 10

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.09 AU - 3.35 AU

Year: 3988 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,037,448 km

• M1: 124,615 km (0.089 R)
• M2: 779,854 km (0.065 R)
• M3: 1,243,607 km (0.045 R)
• M4: 1,650,364 km (0.093 R)
• M5: 2,382,496 km (0.086 R)
• M6: 3,298,334 km (0.062 R)
• M7: 3,912,433 km (0.097 R)
• M8: 4,723,403 km (0.108 R)
• M9: 5,314,764 km (0.092 R)
• M10: 6,368,830 km (0.119 R)
• M11: 6,993,850 km (0.057 R)
• M12: 7,867,053 km (0.063 R)
• M13: 11,320,819 km (0.082 R)
• M14: 12,097,381 km (0.071 R)
• M15: 15,070,041 km (0.052 R)
• M16: 15,785,119 km (0.11 R)
• M17: 16,812,407 km (0.062 R)
• M18: 17,702,066 km (0.078 R)
• M19: 19,639,508 km (0.11 R)
• M20: 20,962,102 km (0.095 R)
• M21: 22,132,257 km (0.09 R)
• M22: 23,710,515 km (0.057 R)
• M23: 25,593,503 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 14.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.38 AU - 4.94 AU

Year: 5857 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,037,448 km

• M1: 185,801 km (0.102 R)
• M2: 751,879 km (0.086 R)
• M3: 1,754,334 km (0.092 R)
• M4: 2,394,464 km (0.089 R)
• M5: 3,282,925 km (0.079 R)
• M6: 4,221,203 km (0.05 R)
• M7: 5,359,045 km (0.115 R)
• M8: 6,415,654 km (0.101 R)
• M9: 7,074,783 km (0.086 R)
• M10: 8,903,467 km (0.062 R)
• M11: 9,604,782 km (0.12 R)
• M12: 10,469,308 km (0.1 R)
• M13: 13,781,105 km (0.104 R)
• M14: 14,614,366 km (0.066 R)
• M15: 15,591,688 km (0.1 R)
• M16: 16,096,432 km (0.052 R)
• M17: 16,612,096 km (0.109 R)
• M18: 19,486,918 km (0.062 R)
• M19: 22,253,282 km (0.036 R)
• M20: 23,400,697 km (0.064 R)
• M21: 24,436,663 km (0.08 R)
• M22: 25,891,502 km (0.058 R)
• M23: 26,441,723 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.5

Radius: 4.2

Gravity: 51.62 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.12 AU - 6.64 AU

Year: 11124 Days

Day: 17.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,037,448 km

• M1: 52,808 km (0.102 R)
• M2: 210,634 km (0.057 R)
• M3: 946,057 km (0.047 R)
• M4: 1,306,438 km (0.062 R)
• M5: 1,736,233 km (0.034 R)
• M6: 2,177,397 km (0.092 R)
• M7: 5,412,002 km (0.048 R)
• M8: 5,662,728 km (0.066 R)
• M9: 6,784,413 km (0.114 R)
• M10: 7,375,624 km (0.109 R)
• M11: 8,000,345 km (0.069 R)
• M12: 8,372,843 km (0.047 R)
• M13: 9,002,800 km (0.046 R)
• M14: 9,768,143 km (0.117 R)
• M15: 11,195,905 km (0.108 R)
• M16: 11,899,463 km (0.1 R)
• M17: 12,819,790 km (0.088 R)
• M18: 15,150,076 km (0.06 R)
• M19: 17,747,843 km (0.113 R)
• M20: 20,369,545 km (0.111 R)
• M21: 20,975,566 km (0.071 R)
• M22: 24,964,294 km (0.098 R)
• M23: 26,774,279 km (0.07 R)
• M24: 31,105,586 km (0.099 R)
• M25: 31,908,627 km (0.108 R)
• M26: 42,790,077 km (0.054 R)
• M27: 43,355,408 km (0.079 R)
• M28: 44,790,799 km (0.112 R)
• M29: 46,109,505 km (0.076 R)
• M30: 48,059,513 km (0.116 R)
• M31: 48,823,958 km (0.073 R)
• M32: 49,286,514 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350

Radius: 3

Gravity: 38.89 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.22 AU - 8.3 AU

Year: 14921 Days

Day: 15.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,037,448 km

• M1: 40,092 km (0.088 R)
• M2: 223,499 km (0.105 R)
• M3: 369,507 km (0.103 R)
• M4: 534,214 km (0.101 R)
• M5: 694,583 km (0.092 R)
• M6: 978,370 km (0.115 R)
• M7: 1,333,964 km (0.077 R)
• M8: 1,526,796 km (0.109 R)
• M9: 2,611,231 km (0.032 R)
• M10: 3,848,555 km (0.12 R)
• M11: 4,533,115 km (0.055 R)
• M12: 5,919,737 km (0.087 R)
• M13: 7,998,400 km (0.078 R)
• M14: 9,493,331 km (0.039 R)
• M15: 10,150,365 km (0.111 R)
• M16: 10,837,319 km (0.086 R)
• M17: 11,054,834 km (0.052 R)
• M18: 13,329,769 km (0.089 R)
• M19: 14,152,407 km (0.061 R)
• M20: 14,941,237 km (0.091 R)
• M21: 15,620,710 km (0.119 R)
• M22: 15,828,352 km (0.094 R)
• M23: 16,894,985 km (0.044 R)
• M24: 17,632,203 km (0.087 R)
• M25: 18,777,674 km (0.083 R)
• M26: 19,568,299 km (0.113 R)
• M27: 25,160,417 km (0.106 R)
• M28: 28,833,942 km (0.08 R)
• M29: 30,960,925 km (0.057 R)
• M30: 37,964,948 km (0.059 R)
• M31: 47,097,000 km (0.064 R)
• M32: 48,112,620 km (0.12 R)
• M33: 48,405,533 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 10,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit