🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 13.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.95 AU

Year: 481 Days

Day: 9.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,150,443 km

• M1: 172,935 km (0.108 R)
• M2: 645,216 km (0.097 R)
• M3: 1,080,396 km (0.11 R)
• M4: 1,592,619 km (0.083 R)
• M5: 2,329,987 km (0.054 R)
• M6: 2,794,039 km (0.088 R)
• M7: 3,506,574 km (0.108 R)
• M8: 3,990,374 km (0.116 R)
• M9: 4,561,389 km (0.1 R)
• M10: 5,093,957 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.9

Radius: 14.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.83 AU - 1.18 AU

Year: 636 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,150,443 km

• M1: 175,478 km (0.098 R)
• M2: 616,792 km (0.092 R)
• M3: 1,444,667 km (0.12 R)
• M4: 2,702,486 km (0.111 R)
• M5: 3,719,153 km (0.108 R)
• M6: 4,366,163 km (0.092 R)
• M7: 6,226,114 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 11.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.14 AU - 1.28 AU

Year: 846 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,150,443 km

• M1: 140,472 km (0.099 R)
• M2: 543,489 km (0.075 R)
• M3: 1,169,407 km (0.06 R)
• M4: 1,717,683 km (0.079 R)
• M5: 3,004,524 km (0.083 R)
• M6: 4,092,100 km (0.034 R)
• M7: 4,708,743 km (0.084 R)
• M8: 5,141,230 km (0.068 R)
• M9: 5,580,599 km (0.101 R)
• M10: 6,297,322 km (0.096 R)
• M11: 7,028,407 km (0.068 R)
• M12: 9,008,335 km (0.105 R)
• M13: 9,450,845 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.4

Radius: 15

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.31 AU - 1.99 AU

Year: 1348 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,150,443 km

• M1: 186,549 km (0.072 R)
• M2: 656,735 km (0.03 R)
• M3: 1,164,769 km (0.089 R)
• M4: 1,690,606 km (0.07 R)
• M5: 2,462,231 km (0.066 R)
• M6: 3,246,723 km (0.097 R)
• M7: 4,162,411 km (0.112 R)
• M8: 4,631,251 km (0.114 R)
• M9: 5,638,194 km (0.082 R)
• M10: 6,153,409 km (0.071 R)
• M11: 6,721,582 km (0.052 R)
• M12: 8,589,012 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.2

Radius: 11.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.66 AU - 2.48 AU

Year: 1894 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,150,443 km

• M1: 144,661 km (0.092 R)
• M2: 617,241 km (0.055 R)
• M3: 1,069,625 km (0.099 R)
• M4: 1,626,578 km (0.089 R)
• M5: 2,035,578 km (0.103 R)
• M6: 2,873,177 km (0.102 R)
• M7: 3,251,659 km (0.034 R)
• M8: 4,634,093 km (0.062 R)
• M9: 5,514,028 km (0.074 R)
• M10: 6,103,144 km (0.054 R)
• M11: 6,604,297 km (0.085 R)
• M12: 6,971,410 km (0.045 R)
• M13: 8,037,146 km (0.084 R)
• M14: 10,176,545 km (0.06 R)
• M15: 12,671,239 km (0.108 R)
• M16: 13,953,442 km (0.105 R)
• M17: 14,648,025 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 10.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.24 AU - 5.18 AU

Year: 6499 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,150,443 km

• M1: 133,142 km (0.1 R)
• M2: 604,675 km (0.106 R)
• M3: 1,637,797 km (0.1 R)
• M4: 2,004,911 km (0.104 R)
• M5: 2,347,639 km (0.102 R)
• M6: 3,474,111 km (0.041 R)
• M7: 3,928,141 km (0.025 R)
• M8: 5,116,397 km (0.086 R)
• M9: 5,590,173 km (0.087 R)
• M10: 7,088,246 km (0.094 R)
• M11: 7,785,522 km (0.11 R)
• M12: 9,195,632 km (0.047 R)
• M13: 11,596,378 km (0.072 R)
• M14: 12,122,364 km (0.102 R)
• M15: 12,714,323 km (0.106 R)
• M16: 13,849,621 km (0.027 R)
• M17: 14,939,143 km (0.113 R)
• M18: 15,619,813 km (0.083 R)
• M19: 16,619,276 km (0.095 R)
• M20: 17,043,087 km (0.093 R)
• M21: 19,806,160 km (0.07 R)
• M22: 21,187,846 km (0.116 R)
• M23: 21,830,219 km (0.095 R)
• M24: 27,193,751 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.4

Radius: 4.7

Gravity: 28.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.58 AU - 12.14 AU

Year: 24344 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,150,443 km

• M1: 58,493 km (0.044 R)
• M2: 548,875 km (0.116 R)
• M3: 905,965 km (0.09 R)
• M4: 1,502,561 km (0.099 R)
• M5: 1,845,739 km (0.083 R)
• M6: 2,261,471 km (0.077 R)
• M7: 2,737,192 km (0.092 R)
• M8: 3,276,941 km (0.119 R)
• M9: 3,916,771 km (0.101 R)
• M10: 6,559,567 km (0.076 R)
• M11: 6,744,321 km (0.101 R)
• M12: 7,823,969 km (0.1 R)
• M13: 9,891,411 km (0.116 R)
• M14: 10,507,006 km (0.098 R)
• M15: 12,296,496 km (0.107 R)
• M16: 13,973,040 km (0.116 R)
• M17: 22,728,554 km (0.117 R)
• M18: 25,691,490 km (0.107 R)
• M19: 27,087,238 km (0.064 R)
• M20: 28,532,802 km (0.095 R)
• M21: 29,775,960 km (0.094 R)
• M22: 36,537,335 km (0.1 R)
• M23: 38,002,197 km (0.108 R)
• M24: 38,150,898 km (0.116 R)
• M25: 43,599,701 km (0.057 R)
• M26: 47,621,640 km (0.091 R)
• M27: 48,141,193 km (0.075 R)
• M28: 49,545,020 km (0.098 R)
• M29: 54,483,993 km (0.059 R)
• M30: 55,242,604 km (0.12 R)
• M31: 55,624,378 km (0.11 R)
• M32: 64,689,410 km (0.065 R)
• M33: 65,113,820 km (0.077 R)
• M34: 66,829,408 km (0.111 R)
• M35: 77,760,375 km (0.072 R)
• M36: 78,963,142 km (0.047 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 10,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit