🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 13.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 243 Days

Day: 6.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,537,740 km

• M1: 163,062 km (0.083 R)
• M2: 571,314 km (0.098 R)
• M3: 1,151,305 km (0.049 R)
• M4: 1,637,498 km (0.072 R)
• M5: 2,162,437 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 12.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,537,740 km

• M1: 159,172 km (0.1 R)
• M2: 558,000 km (0.094 R)
• M3: 1,001,707 km (0.05 R)
• M4: 1,404,874 km (0.113 R)
• M5: 1,846,038 km (0.082 R)
• M6: 2,633,970 km (0.093 R)
• M7: 3,059,426 km (0.118 R)
• M8: 3,496,551 km (0.036 R)
• M9: 4,296,900 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 10.7

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,537,740 km

• M1: 132,993 km (0.108 R)
• M2: 477,367 km (0.099 R)
• M3: 842,834 km (0.1 R)
• M4: 1,277,416 km (0.094 R)
• M5: 1,620,594 km (0.107 R)
• M6: 2,134,014 km (0.061 R)
• M7: 2,733,452 km (0.104 R)
• M8: 3,418,760 km (0.069 R)
• M9: 3,770,914 km (0.032 R)
• M10: 4,201,307 km (0.086 R)
• M11: 4,708,144 km (0.105 R)
• M12: 5,130,160 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 8.1

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.58 AU - 0.72 AU

Year: 349 Days

Day: 12.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,537,740 km

• M1: 100,679 km (0.067 R)
• M2: 382,671 km (0.079 R)
• M3: 669,600 km (0.073 R)
• M4: 966,253 km (0.086 R)
• M5: 1,385,276 km (0.075 R)
• M6: 1,666,969 km (0.106 R)
• M7: 1,965,118 km (0.108 R)
• M8: 2,458,342 km (0.113 R)
• M9: 2,753,050 km (0.059 R)
• M10: 3,840,626 km (0.097 R)
• M11: 4,152,388 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 13.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.92 AU - 1.06 AU

Year: 657 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,537,740 km

• M1: 165,455 km (0.084 R)
• M2: 629,657 km (0.067 R)
• M3: 1,059,452 km (0.088 R)
• M4: 1,555,519 km (0.113 R)
• M5: 2,004,163 km (0.06 R)
• M6: 2,579,217 km (0.08 R)
• M7: 3,228,621 km (0.094 R)
• M8: 4,441,860 km (0.08 R)
• M9: 5,185,212 km (0.078 R)
• M10: 6,170,613 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 9.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.86 AU - 1.24 AU

Year: 717 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,537,740 km

• M1: 114,442 km (0.099 R)
• M2: 404,812 km (0.073 R)
• M3: 861,833 km (0.118 R)
• M4: 1,294,321 km (0.095 R)
• M5: 1,654,403 km (0.082 R)
• M6: 2,033,484 km (0.116 R)
• M7: 2,394,912 km (0.088 R)
• M8: 2,705,477 km (0.108 R)
• M9: 4,182,008 km (0.119 R)
• M10: 4,668,950 km (0.074 R)
• M11: 5,358,147 km (0.098 R)
• M12: 6,073,075 km (0.112 R)
• M13: 6,380,499 km (0.08 R)
• M14: 6,916,209 km (0.084 R)
• M15: 7,458,202 km (0.084 R)
• M16: 7,955,615 km (0.077 R)
• M17: 8,249,575 km (0.043 R)
• M18: 8,601,728 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 9.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.81 AU - 1.29 AU

Year: 717 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,537,740 km

• M1: 118,332 km (0.102 R)
• M2: 449,542 km (0.043 R)
• M3: 801,396 km (0.062 R)
• M4: 1,431,053 km (0.104 R)
• M5: 1,952,851 km (0.06 R)
• M6: 2,267,455 km (0.082 R)
• M7: 3,021,129 km (0.067 R)
• M8: 3,490,717 km (0.119 R)
• M9: 4,399,374 km (0.106 R)
• M10: 4,787,132 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 9.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.17 AU - 1.79 AU

Year: 1201 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,537,740 km

• M1: 119,379 km (0.104 R)
• M2: 460,163 km (0.102 R)
• M3: 870,959 km (0.12 R)
• M4: 1,594,115 km (0.12 R)
• M5: 2,139,848 km (0.081 R)
• M6: 2,561,415 km (0.03 R)
• M7: 3,151,728 km (0.091 R)
• M8: 3,963,446 km (0.064 R)
• M9: 5,997,079 km (0.064 R)
• M10: 6,503,319 km (0.052 R)
• M11: 7,163,195 km (0.096 R)
• M12: 9,082,386 km (0.118 R)
• M13: 9,812,872 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.5

Radius: 4.7

Gravity: 35.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.12 AU - 9.28 AU

Year: 15659 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,537,740 km

• M1: 62,382 km (0.026 R)
• M2: 674,537 km (0.086 R)
• M3: 837,449 km (0.117 R)
• M4: 1,003,054 km (0.1 R)
• M5: 3,102,959 km (0.108 R)
• M6: 4,061,283 km (0.042 R)
• M7: 4,846,672 km (0.034 R)
• M8: 5,129,561 km (0.097 R)
• M9: 5,806,641 km (0.114 R)
• M10: 6,004,859 km (0.114 R)
• M11: 6,626,587 km (0.057 R)
• M12: 8,342,475 km (0.072 R)
• M13: 8,697,471 km (0.076 R)
• M14: 9,491,985 km (0.119 R)
• M15: 10,449,561 km (0.099 R)
• M16: 10,743,221 km (0.058 R)
• M17: 12,164,700 km (0.105 R)
• M18: 13,088,767 km (0.11 R)
• M19: 14,416,448 km (0.087 R)
• M20: 17,747,693 km (0.113 R)
• M21: 19,107,837 km (0.07 R)
• M22: 19,458,494 km (0.111 R)
• M23: 19,724,180 km (0.052 R)
• M24: 23,104,793 km (0.066 R)
• M25: 24,006,569 km (0.073 R)
• M26: 34,478,420 km (0.07 R)
• M27: 34,867,673 km (0.086 R)
• M28: 36,587,899 km (0.03 R)
• M29: 48,111,872 km (0.113 R)
• M30: 49,087,101 km (0.087 R)
• M31: 50,741,503 km (0.028 R)
• M32: 52,432,558 km (0.118 R)
• M33: 56,105,634 km (0.097 R)
• M34: 57,367,193 km (0.097 R)
• M35: 61,835,681 km (0.083 R)
• M36: 62,409,988 km (0.074 R)
• M37: 64,350,272 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 11,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit