🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.5

Radius: 14.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,327,926 km

• M1: 180,265 km (0.111 R)
• M2: 866,321 km (0.096 R)
• M3: 1,485,208 km (0.11 R)
• M4: 1,988,604 km (0.07 R)
• M5: 2,991,957 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 12

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.42 AU - 0.7 AU

Year: 279 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,327,926 km

• M1: 151,094 km (0.049 R)
• M2: 544,985 km (0.068 R)
• M3: 923,019 km (0.057 R)
• M4: 1,296,864 km (0.082 R)
• M5: 1,692,251 km (0.072 R)
• M6: 2,141,793 km (0.072 R)
• M7: 2,703,533 km (0.045 R)
• M8: 3,095,479 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 9.4

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.59 AU - 0.67 AU

Year: 333 Days

Day: 12.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,327,926 km

• M1: 116,836 km (0.093 R)
• M2: 498,909 km (0.095 R)
• M3: 921,074 km (0.107 R)
• M4: 1,244,654 km (0.061 R)
• M5: 1,603,390 km (0.082 R)
• M6: 1,998,777 km (0.05 R)
• M7: 2,659,850 km (0.101 R)
• M8: 3,118,068 km (0.061 R)
• M9: 3,424,744 km (0.098 R)
• M10: 3,814,596 km (0.065 R)
• M11: 4,179,765 km (0.116 R)
• M12: 4,712,632 km (0.1 R)
• M13: 5,306,087 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 9.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.1 AU - 1.78 AU

Year: 1152 Days

Day: 9.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,327,926 km

• M1: 116,686 km (0.11 R)
• M2: 517,609 km (0.069 R)
• M3: 861,833 km (0.112 R)
• M4: 1,631,664 km (0.112 R)
• M5: 2,105,889 km (0.082 R)
• M6: 3,153,374 km (0.114 R)
• M7: 3,531,557 km (0.092 R)
• M8: 4,362,573 km (0.076 R)
• M9: 5,395,995 km (0.107 R)
• M10: 7,348,247 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 12.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.67 AU - 4.43 AU

Year: 4460 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,327,926 km

• M1: 159,172 km (0.117 R)
• M2: 722,558 km (0.036 R)
• M3: 1,634,357 km (0.114 R)
• M4: 2,110,976 km (0.053 R)
• M5: 3,116,124 km (0.116 R)
• M6: 3,836,886 km (0.106 R)
• M7: 4,742,701 km (0.087 R)
• M8: 5,357,249 km (0.028 R)
• M9: 6,238,231 km (0.053 R)
• M10: 7,111,584 km (0.046 R)
• M11: 7,809,906 km (0.119 R)
• M12: 8,591,705 km (0.093 R)
• M13: 9,840,548 km (0.066 R)
• M14: 12,447,590 km (0.05 R)
• M15: 16,241,542 km (0.113 R)
• M16: 17,891,457 km (0.029 R)
• M17: 22,026,042 km (0.04 R)
• M18: 24,509,218 km (0.115 R)
• M19: 26,183,367 km (0.091 R)
• M20: 28,618,970 km (0.054 R)
• M21: 29,758,457 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 13.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.72 AU - 5.92 AU

Year: 8183 Days

Day: 9.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,327,926 km

• M1: 164,109 km (0.119 R)
• M2: 772,823 km (0.031 R)
• M3: 1,488,648 km (0.111 R)
• M4: 3,357,126 km (0.108 R)
• M5: 3,813,699 km (0.074 R)
• M6: 4,735,820 km (0.041 R)
• M7: 5,156,639 km (0.109 R)
• M8: 6,143,685 km (0.079 R)
• M9: 6,682,537 km (0.091 R)
• M10: 8,275,904 km (0.087 R)
• M11: 8,755,515 km (0.108 R)
• M12: 9,346,277 km (0.118 R)
• M13: 10,207,960 km (0.109 R)
• M14: 10,862,900 km (0.103 R)
• M15: 11,653,076 km (0.115 R)
• M16: 13,407,560 km (0.046 R)
• M17: 14,818,866 km (0.111 R)
• M18: 17,719,569 km (0.084 R)
• M19: 21,464,452 km (0.12 R)
• M20: 22,039,357 km (0.063 R)
• M21: 27,589,438 km (0.115 R)
• M22: 29,763,992 km (0.111 R)
• M23: 32,371,184 km (0.117 R)
• M24: 33,675,229 km (0.033 R)
• M25: 35,811,337 km (0.104 R)
• M26: 42,759,859 km (0.119 R)
• M27: 43,278,814 km (0.036 R)
• M28: 43,801,957 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.6

Radius: 4.3

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.84 AU - 11.42 AU

Year: 23112 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,327,926 km

• M1: 53,855 km (0.054 R)
• M2: 240,254 km (0.032 R)
• M3: 487,240 km (0.049 R)
• M4: 670,946 km (0.052 R)
• M5: 1,313,918 km (0.105 R)
• M6: 1,594,713 km (0.044 R)
• M7: 2,748,711 km (0.09 R)
• M8: 3,716,310 km (0.096 R)
• M9: 4,625,716 km (0.064 R)
• M10: 6,095,814 km (0.091 R)
• M11: 6,374,664 km (0.105 R)
• M12: 6,787,704 km (0.092 R)
• M13: 7,087,199 km (0.079 R)
• M14: 7,440,400 km (0.059 R)
• M15: 8,570,163 km (0.099 R)
• M16: 8,920,072 km (0.099 R)
• M17: 9,227,496 km (0.114 R)
• M18: 11,163,891 km (0.104 R)
• M19: 11,401,003 km (0.09 R)
• M20: 11,763,180 km (0.092 R)
• M21: 13,156,834 km (0.069 R)
• M22: 13,893,304 km (0.083 R)
• M23: 16,572,153 km (0.104 R)
• M24: 21,070,561 km (0.092 R)
• M25: 21,799,402 km (0.069 R)
• M26: 22,170,105 km (0.105 R)
• M27: 22,733,940 km (0.083 R)
• M28: 23,597,568 km (0.09 R)
• M29: 24,883,362 km (0.042 R)
• M30: 25,800,397 km (0.1 R)
• M31: 27,809,945 km (0.098 R)
• M32: 30,378,989 km (0.059 R)
• M33: 31,543,758 km (0.057 R)
• M34: 32,980,347 km (0.117 R)
• M35: 35,726,365 km (0.098 R)
• M36: 45,021,030 km (0.09 R)
• M37: 45,621,965 km (0.068 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: 492 - 14,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit