🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.8

Radius: 8.8

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.94 AU - 1.02 AU

Year: 617 Days

Day: 7.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,938,348 km

• M1: 109,506 km (0.088 R)
• M2: 406,308 km (0.081 R)
• M3: 741,557 km (0.099 R)
• M4: 1,033,422 km (0.075 R)
• M5: 1,539,063 km (0.079 R)
• M6: 2,513,843 km (0.117 R)
• M7: 3,123,005 km (0.114 R)
• M8: 3,774,653 km (0.119 R)
• M9: 4,528,926 km (0.077 R)
• M10: 5,101,437 km (0.102 R)
• M11: 5,514,926 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.2

Radius: 14.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.96 AU - 1.4 AU

Year: 815 Days

Day: 7.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,938,348 km

• M1: 181,612 km (0.099 R)
• M2: 700,268 km (0.074 R)
• M3: 1,301,202 km (0.057 R)
• M4: 1,842,747 km (0.066 R)
• M5: 2,397,306 km (0.057 R)
• M6: 3,051,946 km (0.073 R)
• M7: 3,851,248 km (0.094 R)
• M8: 4,494,219 km (0.111 R)
• M9: 4,978,168 km (0.118 R)
• M10: 5,549,034 km (0.082 R)
• M11: 6,449,164 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 13.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.76 AU - 2.54 AU

Year: 2004 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,938,348 km

• M1: 163,810 km (0.048 R)
• M2: 609,312 km (0.063 R)
• M3: 1,144,125 km (0.097 R)
• M4: 1,872,367 km (0.112 R)
• M5: 2,960,841 km (0.063 R)
• M6: 3,830,902 km (0.064 R)
• M7: 4,962,311 km (0.027 R)
• M8: 5,767,596 km (0.045 R)
• M9: 6,236,286 km (0.076 R)
• M10: 6,778,728 km (0.095 R)
• M11: 9,636,646 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.9

Radius: 9.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.63 AU - 6.91 AU

Year: 8812 Days

Day: 9.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,938,348 km

• M1: 117,434 km (0.1 R)
• M2: 447,447 km (0.108 R)
• M3: 1,831,527 km (0.101 R)
• M4: 5,050,125 km (0.118 R)
• M5: 7,311,446 km (0.118 R)
• M6: 9,883,931 km (0.079 R)
• M7: 12,833,702 km (0.116 R)
• M8: 15,856,926 km (0.112 R)
• M9: 16,324,419 km (0.088 R)
• M10: 18,579,607 km (0.099 R)
• M11: 18,875,362 km (0.104 R)
• M12: 19,705,181 km (0.092 R)
• M13: 20,637,774 km (0.1 R)
• M14: 22,843,296 km (0.117 R)
• M15: 40,941,197 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.3

Radius: 4.2

Gravity: 56.03 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.89 AU - 8.49 AU

Year: 12258 Days

Day: 15.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,938,348 km

• M1: 53,406 km (0.048 R)
• M2: 241,152 km (0.109 R)
• M3: 952,639 km (0.102 R)
• M4: 2,083,300 km (0.066 R)
• M5: 3,017,090 km (0.113 R)
• M6: 3,217,401 km (0.119 R)
• M7: 4,355,692 km (0.081 R)
• M8: 8,178,216 km (0.051 R)
• M9: 11,531,303 km (0.043 R)
• M10: 13,108,962 km (0.057 R)
• M11: 13,241,057 km (0.119 R)
• M12: 15,773,749 km (0.051 R)
• M13: 16,377,376 km (0.115 R)
• M14: 19,030,794 km (0.067 R)
• M15: 21,679,574 km (0.106 R)
• M16: 30,036,560 km (0.107 R)
• M17: 33,483,893 km (0.113 R)
• M18: 34,605,129 km (0.109 R)
• M19: 38,658,483 km (0.068 R)
• M20: 45,088,649 km (0.068 R)
• M21: 55,927,014 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.4

Radius: 3.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.24 AU - 9.2 AU

Year: 14984 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,938,348 km

• M1: 76,744 km (0.092 R)
• M2: 227,838 km (0.11 R)
• M3: 369,208 km (0.109 R)
• M4: 1,338,452 km (0.1 R)
• M5: 1,687,464 km (0.093 R)
• M6: 2,079,859 km (0.087 R)
• M7: 5,737,078 km (0.074 R)
• M8: 6,030,141 km (0.104 R)
• M9: 7,035,737 km (0.102 R)
• M10: 8,861,131 km (0.106 R)
• M11: 10,367,731 km (0.113 R)
• M12: 13,515,270 km (0.082 R)
• M13: 16,708,885 km (0.12 R)
• M14: 26,250,986 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.9

Radius: 6.8

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.98 AU - 12.3 AU

Year: 20530 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,938,348 km

• M1: 91,105 km (0.107 R)
• M2: 427,102 km (0.105 R)
• M3: 783,294 km (0.109 R)
• M4: 1,144,424 km (0.061 R)
• M5: 3,328,553 km (0.083 R)
• M6: 3,922,307 km (0.098 R)
• M7: 7,112,332 km (0.099 R)
• M8: 7,790,459 km (0.11 R)
• M9: 8,093,993 km (0.081 R)
• M10: 8,941,914 km (0.094 R)
• M11: 14,387,276 km (0.071 R)
• M12: 18,232,390 km (0.04 R)
• M13: 24,175,166 km (0.034 R)
• M14: 30,912,455 km (0.113 R)
• M15: 32,838,528 km (0.048 R)
• M16: 36,364,400 km (0.098 R)
• M17: 37,070,203 km (0.082 R)
• M18: 41,040,381 km (0.1 R)
• M19: 41,498,150 km (0.107 R)
• M20: 42,892,253 km (0.117 R)
• M21: 50,683,160 km (0.091 R)
• M22: 55,559,004 km (0.043 R)
• M23: 58,591,203 km (0.101 R)
• M24: 61,333,182 km (0.087 R)
• M25: 67,706,949 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.7

Radius: 6.9

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.79 AU - 11.23 AU

Year: 23228 Days

Day: 22.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,938,348 km

• M1: 86,019 km (0.112 R)
• M2: 354,397 km (0.102 R)
• M3: 992,283 km (0.114 R)
• M4: 1,734,737 km (0.083 R)
• M5: 2,367,835 km (0.092 R)
• M6: 2,982,832 km (0.065 R)
• M7: 3,855,586 km (0.08 R)
• M8: 5,712,993 km (0.051 R)
• M9: 6,673,112 km (0.115 R)
• M10: 7,143,448 km (0.086 R)
• M11: 7,535,544 km (0.086 R)
• M12: 8,524,087 km (0.089 R)
• M13: 9,306,035 km (0.092 R)
• M14: 9,596,554 km (0.059 R)
• M15: 9,893,057 km (0.068 R)
• M16: 13,720,518 km (0.112 R)
• M17: 16,335,040 km (0.082 R)
• M18: 17,102,029 km (0.083 R)
• M19: 22,214,835 km (0.106 R)
• M20: 22,734,388 km (0.055 R)
• M21: 23,049,890 km (0.04 R)
• M22: 25,228,634 km (0.088 R)
• M23: 26,252,332 km (0.057 R)
• M24: 26,716,235 km (0.076 R)
• M25: 33,932,537 km (0.089 R)
• M26: 34,344,829 km (0.111 R)
• M27: 34,899,538 km (0.104 R)
• M28: 37,616,684 km (0.064 R)
• M29: 40,935,363 km (0.109 R)
• M30: 43,306,639 km (0.116 R)
• M31: 43,954,098 km (0.09 R)
• M32: 52,601,005 km (0.093 R)
• M33: 53,523,425 km (0.084 R)
• M34: 57,320,967 km (0.06 R)
• M35: 57,710,221 km (0.119 R)
• M36: 67,809,573 km (0.087 R)
• M37: 69,784,116 km (0.104 R)
• M38: 71,796,656 km (0.095 R)
• M39: 77,351,973 km (0.113 R)
• M40: 79,748,979 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit