🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 12.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.13 AU - 1.75 AU

Year: 1193 Days

Day: 12.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,997,370 km

• M1: 153,039 km (0.119 R)
• M2: 2,586,846 km (0.076 R)
• M3: 3,073,039 km (0.111 R)
• M4: 3,812,352 km (0.041 R)
• M5: 4,364,219 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.9

Radius: 9.2

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.42 AU - 2.06 AU

Year: 1584 Days

Day: 12 Hours

Environment

Temp: -203 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,997,370 km

• M1: 114,442 km (0.108 R)
• M2: 541,843 km (0.098 R)
• M3: 896,690 km (0.099 R)
• M4: 1,317,508 km (0.087 R)
• M5: 1,687,614 km (0.08 R)
• M6: 2,524,314 km (0.078 R)
• M7: 3,013,948 km (0.118 R)
• M8: 3,469,324 km (0.039 R)
• M9: 4,220,006 km (0.031 R)
• M10: 5,179,078 km (0.11 R)
• M11: 5,925,572 km (0.106 R)
• M12: 6,229,255 km (0.071 R)
• M13: 7,021,675 km (0.071 R)
• M14: 7,522,978 km (0.069 R)
• M15: 7,907,594 km (0.072 R)
• M16: 9,610,616 km (0.076 R)
• M17: 10,295,625 km (0.025 R)
• M18: 11,188,425 km (0.095 R)
• M19: 12,057,588 km (0.118 R)
• M20: 12,661,515 km (0.099 R)
• M21: 13,364,924 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.3

Radius: 13.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.5 AU - 2.48 AU

Year: 1938 Days

Day: 13.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,997,370 km

• M1: 169,195 km (0.053 R)
• M2: 714,180 km (0.037 R)
• M3: 1,158,336 km (0.06 R)
• M4: 3,577,334 km (0.113 R)
• M5: 4,119,776 km (0.064 R)
• M6: 5,775,076 km (0.112 R)
• M7: 7,262,677 km (0.114 R)
• M8: 8,557,597 km (0.041 R)
• M9: 9,411,501 km (0.044 R)
• M10: 10,549,791 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 15

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.3 AU - 2.34 AU

Year: 2439 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,997,370 km

• M1: 186,549 km (0.083 R)
• M2: 1,083,986 km (0.118 R)
• M3: 1,725,013 km (0.083 R)
• M4: 2,364,394 km (0.091 R)
• M5: 3,673,825 km (0.068 R)
• M6: 4,725,348 km (0.105 R)
• M7: 5,610,219 km (0.107 R)
• M8: 6,117,506 km (0.044 R)
• M9: 6,682,088 km (0.061 R)
• M10: 7,710,274 km (0.078 R)
• M11: 8,714,226 km (0.116 R)
• M12: 9,297,657 km (0.081 R)
• M13: 10,081,101 km (0.066 R)
• M14: 12,535,254 km (0.078 R)
• M15: 13,028,628 km (0.034 R)
• M16: 13,923,373 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.6

Radius: 10.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.01 AU - 4.25 AU

Year: 4774 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,997,370 km

• M1: 135,536 km (0.026 R)
• M2: 481,406 km (0.096 R)
• M3: 914,941 km (0.11 R)
• M4: 1,426,565 km (0.081 R)
• M5: 1,860,998 km (0.099 R)
• M6: 2,742,279 km (0.108 R)
• M7: 3,172,372 km (0.07 R)
• M8: 3,628,048 km (0.109 R)
• M9: 4,044,378 km (0.056 R)
• M10: 4,559,145 km (0.086 R)
• M11: 4,997,317 km (0.057 R)
• M12: 5,438,331 km (0.1 R)
• M13: 6,231,200 km (0.069 R)
• M14: 7,282,424 km (0.095 R)
• M15: 7,882,910 km (0.038 R)
• M16: 12,511,917 km (0.068 R)
• M17: 13,235,372 km (0.119 R)
• M18: 16,145,949 km (0.058 R)
• M19: 17,058,047 km (0.059 R)
• M20: 18,692,703 km (0.098 R)
• M21: 20,927,097 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.5

Radius: 7

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.12 AU - 7.18 AU

Year: 10527 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,997,370 km

• M1: 87,066 km (0.082 R)
• M2: 368,609 km (0.089 R)
• M3: 852,409 km (0.102 R)
• M4: 1,126,173 km (0.071 R)
• M5: 1,824,346 km (0.059 R)
• M6: 2,095,567 km (0.098 R)
• M7: 2,357,214 km (0.03 R)
• M8: 3,075,882 km (0.081 R)
• M9: 3,533,801 km (0.075 R)
• M10: 3,957,911 km (0.118 R)
• M11: 5,340,195 km (0.074 R)
• M12: 5,664,374 km (0.084 R)
• M13: 6,568,992 km (0.095 R)
• M14: 6,790,846 km (0.108 R)
• M15: 7,728,675 km (0.055 R)
• M16: 9,018,807 km (0.064 R)
• M17: 9,620,340 km (0.12 R)
• M18: 10,149,767 km (0.117 R)
• M19: 11,319,472 km (0.098 R)
• M20: 21,636,490 km (0.115 R)
• M21: 31,261,766 km (0.098 R)
• M22: 31,575,323 km (0.118 R)
• M23: 31,996,441 km (0.048 R)
• M24: 33,066,066 km (0.093 R)
• M25: 37,937,422 km (0.043 R)
• M26: 38,294,063 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.7

Radius: 4.5

Gravity: 37.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.62 AU - 7.04 AU

Year: 12321 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,997,370 km

• M1: 60,138 km (0.108 R)
• M2: 272,119 km (0.077 R)
• M3: 629,807 km (0.112 R)
• M4: 1,444,667 km (0.031 R)
• M5: 2,414,510 km (0.094 R)
• M6: 2,757,089 km (0.11 R)
• M7: 4,710,687 km (0.065 R)
• M8: 5,039,952 km (0.098 R)
• M9: 6,552,088 km (0.046 R)
• M10: 8,629,553 km (0.118 R)
• M11: 10,325,993 km (0.112 R)
• M12: 11,223,431 km (0.099 R)
• M13: 12,727,936 km (0.114 R)
• M14: 13,301,046 km (0.081 R)
• M15: 13,758,516 km (0.101 R)
• M16: 14,430,061 km (0.074 R)
• M17: 17,105,320 km (0.117 R)
• M18: 17,335,700 km (0.118 R)
• M19: 22,850,476 km (0.06 R)
• M20: 24,270,759 km (0.052 R)
• M21: 28,774,851 km (0.113 R)
• M22: 29,100,825 km (0.096 R)
• M23: 33,805,379 km (0.118 R)
• M24: 36,781,628 km (0.032 R)
• M25: 39,525,104 km (0.059 R)
• M26: 41,566,217 km (0.075 R)
• M27: 43,106,926 km (0.035 R)
• M28: 44,830,742 km (0.104 R)
• M29: 49,495,353 km (0.112 R)
• M30: 50,276,852 km (0.094 R)
• M31: 50,434,080 km (0.111 R)
• M32: 52,185,721 km (0.116 R)
• M33: 54,639,126 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 14,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit