🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 8.8

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.75 AU - 0.75 AU

Year: 426 Days

Day: 13.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,078,517 km

• M1: 109,506 km (0.055 R)
• M2: 600,935 km (0.076 R)
• M3: 882,777 km (0.076 R)
• M4: 1,195,736 km (0.099 R)
• M5: 1,702,424 km (0.072 R)
• M6: 2,097,661 km (0.119 R)
• M7: 2,614,821 km (0.074 R)
• M8: 3,311,050 km (0.093 R)
• M9: 4,013,412 km (0.096 R)
• M10: 4,859,088 km (0.063 R)
• M11: 5,133,002 km (0.096 R)
• M12: 6,109,577 km (0.076 R)
• M13: 6,429,268 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 10.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.14 AU - 2.4 AU

Year: 2244 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,078,517 km

• M1: 133,142 km (0.098 R)
• M2: 735,274 km (0.04 R)
• M3: 1,270,535 km (0.085 R)
• M4: 1,748,650 km (0.07 R)
• M5: 2,103,645 km (0.074 R)
• M6: 2,506,961 km (0.115 R)
• M7: 3,072,291 km (0.119 R)
• M8: 3,757,300 km (0.089 R)
• M9: 5,478,124 km (0.094 R)
• M10: 5,942,327 km (0.1 R)
• M11: 7,005,818 km (0.116 R)
• M12: 7,406,740 km (0.11 R)
• M13: 8,285,927 km (0.078 R)
• M14: 9,031,523 km (0.074 R)
• M15: 9,369,464 km (0.052 R)
• M16: 10,106,683 km (0.029 R)
• M17: 11,265,019 km (0.069 R)
• M18: 11,816,137 km (0.062 R)
• M19: 13,143,819 km (0.113 R)
• M20: 14,339,405 km (0.11 R)
• M21: 15,461,688 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.8

Radius: 11.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.29 AU - 2.99 AU

Year: 2814 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,078,517 km

• M1: 158,125 km (0.119 R)
• M2: 605,123 km (0.115 R)
• M3: 1,030,580 km (0.056 R)
• M4: 1,402,480 km (0.097 R)
• M5: 1,958,535 km (0.106 R)
• M6: 3,073,787 km (0.035 R)
• M7: 3,827,611 km (0.117 R)
• M8: 4,218,211 km (0.083 R)
• M9: 4,700,515 km (0.079 R)
• M10: 6,004,709 km (0.102 R)
• M11: 6,895,265 km (0.118 R)
• M12: 7,328,351 km (0.109 R)
• M13: 10,848,389 km (0.083 R)
• M14: 11,475,204 km (0.09 R)
• M15: 12,973,726 km (0.094 R)
• M16: 13,860,542 km (0.084 R)
• M17: 14,692,755 km (0.032 R)
• M18: 15,266,014 km (0.078 R)
• M19: 16,355,535 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.9

Radius: 4.6

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.59 AU - 8.67 AU

Year: 12489 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,078,517 km

• M1: 85,121 km (0.113 R)
• M2: 321,486 km (0.08 R)
• M3: 658,530 km (0.1 R)
• M4: 883,226 km (0.114 R)
• M5: 1,845,589 km (0.114 R)
• M6: 2,478,687 km (0.115 R)
• M7: 3,178,656 km (0.073 R)
• M8: 9,085,976 km (0.07 R)
• M9: 11,710,521 km (0.028 R)
• M10: 14,179,485 km (0.068 R)
• M11: 16,160,759 km (0.097 R)
• M12: 17,182,662 km (0.066 R)
• M13: 36,553,492 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.8

Radius: 6.9

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.3 AU - 10.14 AU

Year: 15460 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,078,517 km

• M1: 102,774 km (0.072 R)
• M2: 521,498 km (0.095 R)
• M3: 1,250,937 km (0.117 R)
• M4: 1,986,361 km (0.06 R)
• M5: 2,204,025 km (0.074 R)
• M6: 2,955,007 km (0.115 R)
• M7: 6,183,927 km (0.099 R)
• M8: 9,134,446 km (0.04 R)
• M9: 9,911,308 km (0.116 R)
• M10: 10,731,254 km (0.114 R)
• M11: 13,184,210 km (0.111 R)
• M12: 14,102,741 km (0.118 R)
• M13: 18,034,472 km (0.07 R)
• M14: 20,527,371 km (0.088 R)
• M15: 27,069,286 km (0.117 R)
• M16: 28,781,434 km (0.091 R)
• M17: 29,842,681 km (0.106 R)
• M18: 31,421,238 km (0.113 R)
• M19: 32,293,992 km (0.062 R)
• M20: 43,137,743 km (0.12 R)
• M21: 45,944,648 km (0.101 R)
• M22: 48,046,049 km (0.12 R)
• M23: 52,962,733 km (0.09 R)
• M24: 57,646,941 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.5

Radius: 4.3

Gravity: 19.82 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.75 AU - 9.57 AU

Year: 16718 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,078,517 km

• M1: 53,406 km (0.045 R)
• M2: 200,611 km (0.086 R)
• M3: 441,015 km (0.096 R)
• M4: 1,217,278 km (0.086 R)
• M5: 1,502,561 km (0.045 R)
• M6: 1,637,947 km (0.038 R)
• M7: 1,968,259 km (0.097 R)
• M8: 2,263,266 km (0.108 R)
• M9: 2,524,165 km (0.096 R)
• M10: 3,505,826 km (0.11 R)
• M11: 4,110,501 km (0.034 R)
• M12: 4,560,940 km (0.117 R)
• M13: 4,814,209 km (0.068 R)
• M14: 5,211,691 km (0.086 R)
• M15: 6,857,417 km (0.115 R)
• M16: 8,114,039 km (0.112 R)
• M17: 9,825,588 km (0.072 R)
• M18: 9,982,666 km (0.041 R)
• M19: 10,627,582 km (0.109 R)
• M20: 11,646,643 km (0.087 R)
• M21: 12,119,671 km (0.116 R)
• M22: 13,104,325 km (0.077 R)
• M23: 13,551,323 km (0.063 R)
• M24: 15,441,642 km (0.107 R)
• M25: 15,940,252 km (0.108 R)
• M26: 18,199,479 km (0.095 R)
• M27: 25,053,155 km (0.115 R)
• M28: 27,568,045 km (0.089 R)
• M29: 29,588,364 km (0.078 R)
• M30: 33,682,858 km (0.112 R)
• M31: 34,279,754 km (0.069 R)
• M32: 35,005,453 km (0.105 R)
• M33: 35,249,597 km (0.111 R)
• M34: 48,048,592 km (0.076 R)
• M35: 48,956,950 km (0.097 R)
• M36: 50,341,030 km (0.076 R)
• M37: 51,277,961 km (0.041 R)
• M38: 52,865,494 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.7

Radius: 4.7

Gravity: 33.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.05 AU - 12.25 AU

Year: 21213 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,078,517 km

• M1: 58,642 km (0.115 R)
• M2: 232,325 km (0.081 R)
• M3: 449,542 km (0.095 R)
• M4: 2,246,062 km (0.044 R)
• M5: 2,763,372 km (0.056 R)
• M6: 3,622,213 km (0.113 R)
• M7: 5,089,768 km (0.118 R)
• M8: 5,440,575 km (0.062 R)
• M9: 5,642,383 km (0.095 R)
• M10: 7,996,156 km (0.077 R)
• M11: 15,141,848 km (0.11 R)
• M12: 16,030,459 km (0.064 R)
• M13: 17,039,048 km (0.084 R)
• M14: 19,743,927 km (0.085 R)
• M15: 21,900,380 km (0.116 R)
• M16: 24,208,675 km (0.082 R)
• M17: 30,425,215 km (0.053 R)
• M18: 30,933,399 km (0.112 R)
• M19: 33,424,951 km (0.079 R)
• M20: 34,926,914 km (0.112 R)
• M21: 37,480,849 km (0.118 R)
• M22: 40,614,326 km (0.106 R)
• M23: 42,166,105 km (0.095 R)
• M24: 45,057,981 km (0.087 R)
• M25: 46,720,313 km (0.064 R)
• M26: 48,768,607 km (0.073 R)
• M27: 57,754,652 km (0.069 R)
• M28: 70,183,243 km (0.107 R)
• M29: 71,516,010 km (0.091 R)
• M30: 80,835,658 km (0.037 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: 339 - 19,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit