🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 8.5

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.53 AU - 5.17 AU

Year: 3493 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,908,121 km

• M1: 105,766 km (0.095 R)
• M2: 379,380 km (0.074 R)
• M3: 1,177,784 km (0.077 R)
• M4: 2,007,454 km (0.09 R)
• M5: 3,040,577 km (0.113 R)
• M6: 4,644,565 km (0.107 R)
• M7: 4,978,916 km (0.045 R)
• M8: 5,432,347 km (0.119 R)
• M9: 5,995,883 km (0.111 R)
• M10: 6,421,788 km (0.082 R)
• M11: 7,145,243 km (0.068 R)
• M12: 7,526,867 km (0.111 R)
• M13: 8,227,434 km (0.045 R)
• M14: 9,117,242 km (0.063 R)
• M15: 9,835,312 km (0.096 R)
• M16: 11,003,223 km (0.065 R)
• M17: 12,306,220 km (0.093 R)
• M18: 13,855,007 km (0.105 R)
• M19: 14,499,325 km (0.087 R)
• M20: 14,957,094 km (0.12 R)
• M21: 15,424,288 km (0.093 R)
• M22: 16,008,767 km (0.085 R)
• M23: 16,442,900 km (0.111 R)
• M24: 17,334,803 km (0.038 R)
• M25: 18,912,612 km (0.098 R)
• M26: 19,829,347 km (0.098 R)
• M27: 20,775,404 km (0.06 R)
• M28: 21,097,339 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 12.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.59 AU - 10.17 AU

Year: 10188 Days

Day: 7.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,908,121 km

• M1: 150,495 km (0.115 R)
• M2: 664,963 km (0.076 R)
• M3: 1,121,535 km (0.1 R)
• M4: 2,253,842 km (0.097 R)
• M5: 2,863,154 km (0.074 R)
• M6: 3,279,784 km (0.093 R)
• M7: 4,718,317 km (0.069 R)
• M8: 5,543,947 km (0.099 R)
• M9: 6,348,036 km (0.084 R)
• M10: 7,228,420 km (0.106 R)
• M11: 8,052,704 km (0.066 R)
• M12: 9,182,168 km (0.11 R)
• M13: 9,940,031 km (0.067 R)
• M14: 10,848,838 km (0.079 R)
• M15: 11,812,397 km (0.092 R)
• M16: 12,526,129 km (0.099 R)
• M17: 14,570,683 km (0.116 R)
• M18: 19,311,290 km (0.112 R)
• M19: 20,895,681 km (0.097 R)
• M20: 24,416,616 km (0.098 R)
• M21: 25,969,143 km (0.11 R)
• M22: 33,190,232 km (0.116 R)
• M23: 38,340,289 km (0.113 R)
• M24: 39,640,593 km (0.103 R)
• M25: 43,437,836 km (0.085 R)
• M26: 45,424,496 km (0.105 R)
• M27: 46,148,400 km (0.088 R)
• M28: 53,817,236 km (0.08 R)

Planet 3 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.1

Radius: 6.3

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 9.66 AU - 15.34 AU

Year: 17015 Days

Day: 15.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,908,121 km

• M1: 78,688 km (0.114 R)
• M2: 309,967 km (0.109 R)
• M3: 555,307 km (0.049 R)
• M4: 821,292 km (0.055 R)
• M5: 1,313,320 km (0.115 R)
• M6: 1,696,141 km (0.063 R)
• M7: 3,456,459 km (0.103 R)
• M8: 4,215,967 km (0.119 R)
• M9: 5,013,773 km (0.108 R)
• M10: 5,466,456 km (0.096 R)
• M11: 7,159,305 km (0.039 R)
• M12: 7,687,835 km (0.048 R)
• M13: 11,897,818 km (0.047 R)
• M14: 12,576,095 km (0.071 R)
• M15: 14,418,243 km (0.115 R)
• M16: 16,508,424 km (0.11 R)
• M17: 18,546,994 km (0.098 R)
• M18: 19,881,557 km (0.043 R)
• M19: 20,485,035 km (0.12 R)
• M20: 23,495,842 km (0.104 R)
• M21: 25,862,181 km (0.081 R)
• M22: 27,102,945 km (0.082 R)
• M23: 29,037,695 km (0.106 R)
• M24: 30,377,493 km (0.047 R)
• M25: 31,641,446 km (0.099 R)
• M26: 32,701,197 km (0.074 R)
• M27: 33,300,187 km (0.086 R)
• M28: 35,016,074 km (0.064 R)
• M29: 38,225,398 km (0.081 R)
• M30: 40,653,820 km (0.061 R)
• M31: 42,754,623 km (0.099 R)
• M32: 45,666,695 km (0.085 R)
• M33: 46,565,479 km (0.114 R)
• M34: 47,935,646 km (0.058 R)
• M35: 49,961,949 km (0.11 R)
• M36: 52,044,501 km (0.042 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424

Radius: 6.2

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 16.27 AU - 17.81 AU

Year: 27082 Days

Day: 18.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 71.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,908,121 km

• M1: 78,688 km (0.094 R)
• M2: 1,159,533 km (0.104 R)
• M3: 1,422,975 km (0.097 R)
• M4: 1,726,060 km (0.077 R)
• M5: 2,071,482 km (0.12 R)
• M6: 2,952,464 km (0.077 R)
• M7: 3,166,089 km (0.114 R)
• M8: 4,708,593 km (0.111 R)
• M9: 11,881,512 km (0.118 R)
• M10: 13,197,225 km (0.12 R)
• M11: 13,927,263 km (0.094 R)
• M12: 18,701,230 km (0.052 R)
• M13: 19,528,057 km (0.106 R)
• M14: 21,952,740 km (0.115 R)
• M15: 25,898,683 km (0.052 R)
• M16: 31,049,188 km (0.083 R)
• M17: 35,854,122 km (0.075 R)
• M18: 37,559,837 km (0.097 R)
• M19: 44,924,241 km (0.064 R)
• M20: 46,404,512 km (0.103 R)
• M21: 56,351,872 km (0.049 R)
• M22: 64,266,946 km (0.058 R)
• M23: 70,227,823 km (0.104 R)
• M24: 71,773,618 km (0.095 R)
• M25: 76,083,383 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.1

Radius: 5.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 18.23 AU - 19.35 AU

Year: 31359 Days

Day: 20.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,908,121 km

• M1: 74,201 km (0.066 R)
• M2: 290,669 km (0.091 R)
• M3: 1,164,470 km (0.098 R)
• M4: 1,402,630 km (0.112 R)
• M5: 2,297,973 km (0.114 R)
• M6: 3,331,545 km (0.116 R)
• M7: 4,678,225 km (0.065 R)
• M8: 5,434,292 km (0.067 R)
• M9: 5,861,394 km (0.116 R)
• M10: 7,463,587 km (0.096 R)
• M11: 7,748,422 km (0.114 R)
• M12: 8,189,137 km (0.031 R)
• M13: 8,646,458 km (0.118 R)
• M14: 13,349,665 km (0.091 R)
• M15: 14,709,659 km (0.119 R)
• M16: 15,233,252 km (0.088 R)
• M17: 22,031,727 km (0.106 R)
• M18: 26,575,912 km (0.066 R)
• M19: 27,576,572 km (0.045 R)
• M20: 28,029,255 km (0.066 R)
• M21: 29,417,224 km (0.118 R)
• M22: 30,247,642 km (0.066 R)
• M23: 31,707,418 km (0.04 R)
• M24: 33,984,298 km (0.118 R)
• M25: 38,017,307 km (0.102 R)
• M26: 41,316,987 km (0.108 R)
• M27: 44,028,897 km (0.118 R)
• M28: 46,696,975 km (0.072 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 16,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit