🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.7

Radius: 14.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.06 AU - 1.12 AU

Year: 724 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,528,493 km

• M1: 181,612 km (0.041 R)
• M2: 666,907 km (0.037 R)
• M3: 1,212,192 km (0.087 R)
• M4: 1,819,409 km (0.099 R)
• M5: 2,576,075 km (0.095 R)
• M6: 3,104,904 km (0.081 R)
• M7: 3,679,659 km (0.047 R)
• M8: 4,236,911 km (0.054 R)
• M9: 5,263,601 km (0.088 R)
• M10: 5,827,136 km (0.112 R)
• M11: 6,788,602 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.1

Radius: 8.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.19 AU - 1.35 AU

Year: 910 Days

Day: 7.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,528,493 km

• M1: 105,766 km (0.09 R)
• M2: 539,899 km (0.065 R)
• M3: 1,003,203 km (0.099 R)
• M4: 1,400,685 km (0.062 R)
• M5: 1,789,490 km (0.049 R)
• M6: 2,757,837 km (0.114 R)
• M7: 3,383,605 km (0.059 R)
• M8: 3,758,946 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 13.2

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.05 AU - 1.61 AU

Year: 975 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,528,493 km

• M1: 164,258 km (0.094 R)
• M2: 613,501 km (0.04 R)
• M3: 1,165,517 km (0.09 R)
• M4: 1,588,281 km (0.118 R)
• M5: 2,801,370 km (0.101 R)
• M6: 3,232,062 km (0.1 R)
• M7: 3,656,471 km (0.096 R)
• M8: 4,399,673 km (0.117 R)
• M9: 5,144,671 km (0.116 R)
• M10: 5,675,444 km (0.045 R)
• M11: 6,133,513 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 14.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.84 AU - 4.5 AU

Year: 4470 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,528,493 km

• M1: 176,675 km (0.109 R)
• M2: 830,867 km (0.11 R)
• M3: 1,702,723 km (0.103 R)
• M4: 2,278,675 km (0.11 R)
• M5: 2,828,896 km (0.112 R)
• M6: 3,888,497 km (0.046 R)
• M7: 4,489,283 km (0.05 R)
• M8: 5,458,677 km (0.046 R)
• M9: 6,135,906 km (0.113 R)
• M10: 7,628,893 km (0.099 R)
• M11: 8,444,650 km (0.072 R)
• M12: 10,066,291 km (0.032 R)
• M13: 12,259,695 km (0.089 R)
• M14: 13,115,395 km (0.046 R)
• M15: 13,557,905 km (0.106 R)
• M16: 14,286,896 km (0.096 R)
• M17: 16,173,325 km (0.089 R)
• M18: 17,361,132 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.7

Radius: 5.9

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.02 AU - 8.72 AU

Year: 14038 Days

Day: 20.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,528,493 km

• M1: 73,453 km (0.117 R)
• M2: 359,334 km (0.11 R)
• M3: 572,062 km (0.101 R)
• M4: 830,418 km (0.043 R)
• M5: 1,165,218 km (0.069 R)
• M6: 1,421,479 km (0.035 R)
• M7: 1,938,489 km (0.077 R)
• M8: 2,320,712 km (0.1 R)
• M9: 2,617,215 km (0.056 R)
• M10: 2,867,642 km (0.09 R)
• M11: 3,260,336 km (0.079 R)
• M12: 4,152,986 km (0.071 R)
• M13: 5,269,136 km (0.1 R)
• M14: 6,012,039 km (0.094 R)
• M15: 6,208,312 km (0.106 R)
• M16: 7,254,300 km (0.074 R)
• M17: 8,124,361 km (0.097 R)
• M18: 9,010,729 km (0.034 R)
• M19: 9,583,240 km (0.093 R)
• M20: 11,267,861 km (0.069 R)
• M21: 11,993,710 km (0.064 R)
• M22: 12,750,376 km (0.059 R)
• M23: 14,568,439 km (0.102 R)
• M24: 15,502,528 km (0.091 R)
• M25: 16,399,667 km (0.094 R)
• M26: 20,160,258 km (0.101 R)
• M27: 27,245,213 km (0.104 R)
• M28: 28,770,513 km (0.079 R)
• M29: 29,780,747 km (0.073 R)
• M30: 34,182,515 km (0.112 R)
• M31: 35,955,100 km (0.105 R)
• M32: 36,995,105 km (0.119 R)
• M33: 42,930,699 km (0.112 R)
• M34: 43,221,218 km (0.097 R)
• M35: 46,047,272 km (0.094 R)
• M36: 52,560,464 km (0.078 R)
• M37: 53,227,072 km (0.095 R)
• M38: 60,568,887 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.7

Radius: 4.4

Gravity: 25.66 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.81 AU - 13.21 AU

Year: 23228 Days

Day: 20.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 105.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,528,493 km

• M1: 55,501 km (0.113 R)
• M2: 473,178 km (0.105 R)
• M3: 704,905 km (0.027 R)
• M4: 1,262,456 km (0.053 R)
• M5: 1,607,280 km (0.109 R)
• M6: 1,747,303 km (0.062 R)
• M7: 2,325,050 km (0.098 R)
• M8: 2,481,829 km (0.057 R)
• M9: 3,755,056 km (0.09 R)
• M10: 4,034,804 km (0.08 R)
• M11: 4,463,252 km (0.086 R)
• M12: 4,741,505 km (0.111 R)
• M13: 5,527,492 km (0.066 R)
• M14: 5,889,519 km (0.103 R)
• M15: 6,353,272 km (0.08 R)
• M16: 6,886,588 km (0.116 R)
• M17: 7,545,717 km (0.089 R)
• M18: 10,363,692 km (0.094 R)
• M19: 11,354,778 km (0.1 R)
• M20: 13,309,124 km (0.057 R)
• M21: 13,885,375 km (0.035 R)
• M22: 16,113,785 km (0.114 R)
• M23: 17,185,803 km (0.096 R)
• M24: 19,016,732 km (0.085 R)
• M25: 22,350,371 km (0.116 R)
• M26: 22,653,007 km (0.062 R)
• M27: 34,376,843 km (0.068 R)
• M28: 36,424,838 km (0.08 R)
• M29: 40,016,234 km (0.104 R)
• M30: 42,898,386 km (0.032 R)
• M31: 44,628,785 km (0.097 R)
• M32: 44,788,256 km (0.118 R)
• M33: 51,487,997 km (0.059 R)
• M34: 54,709,138 km (0.093 R)
• M35: 57,117,215 km (0.038 R)
• M36: 64,152,952 km (0.098 R)
• M37: 64,968,560 km (0.049 R)
• M38: 71,525,884 km (0.03 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 20,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit