🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 8.3

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 436 Days

Day: 6.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,759,624 km

• M1: 103,223 km (0.111 R)
• M2: 486,043 km (0.118 R)
• M3: 777,759 km (0.073 R)
• M4: 1,189,153 km (0.099 R)
• M5: 1,469,201 km (0.027 R)
• M6: 1,741,170 km (0.101 R)
• M7: 2,288,698 km (0.096 R)
• M8: 2,697,399 km (0.071 R)
• M9: 3,098,621 km (0.113 R)
• M10: 3,724,239 km (0.092 R)
• M11: 4,127,704 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 8.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.62 AU - 0.92 AU

Year: 436 Days

Day: 9.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,759,624 km

• M1: 104,569 km (0.087 R)
• M2: 379,979 km (0.063 R)
• M3: 945,459 km (0.078 R)
• M4: 1,473,240 km (0.115 R)
• M5: 2,209,561 km (0.06 R)
• M6: 2,524,464 km (0.107 R)
• M7: 3,888,946 km (0.109 R)
• M8: 4,209,684 km (0.119 R)
• M9: 4,561,389 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 8.4

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.79 AU - 0.93 AU

Year: 515 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,759,624 km

• M1: 104,569 km (0.071 R)
• M2: 377,735 km (0.059 R)
• M3: 676,631 km (0.087 R)
• M4: 1,335,909 km (0.118 R)
• M5: 1,609,224 km (0.1 R)
• M6: 1,972,897 km (0.091 R)
• M7: 2,261,621 km (0.083 R)
• M8: 2,621,553 km (0.062 R)
• M9: 3,115,974 km (0.12 R)
• M10: 3,379,266 km (0.068 R)
• M11: 4,617,937 km (0.096 R)
• M12: 4,911,597 km (0.116 R)
• M13: 5,849,277 km (0.113 R)
• M14: 6,135,158 km (0.099 R)
• M15: 7,199,547 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 12.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.31 AU - 4.69 AU

Year: 5165 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,759,624 km

• M1: 160,519 km (0.114 R)
• M2: 867,219 km (0.072 R)
• M3: 2,622,600 km (0.064 R)
• M4: 3,117,470 km (0.093 R)
• M5: 3,609,348 km (0.028 R)
• M6: 4,272,964 km (0.038 R)
• M7: 4,882,575 km (0.097 R)
• M8: 5,377,295 km (0.046 R)
• M9: 8,183,153 km (0.074 R)
• M10: 13,528,435 km (0.109 R)
• M11: 15,653,173 km (0.081 R)
• M12: 18,644,233 km (0.108 R)
• M13: 19,177,400 km (0.109 R)
• M14: 20,980,802 km (0.116 R)
• M15: 23,894,071 km (0.115 R)
• M16: 25,651,547 km (0.092 R)
• M17: 31,252,491 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.2

Radius: 11.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.33 AU - 6.71 AU

Year: 8374 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,759,624 km

• M1: 141,819 km (0.064 R)
• M2: 512,074 km (0.116 R)
• M3: 948,151 km (0.074 R)
• M4: 1,622,987 km (0.059 R)
• M5: 2,184,877 km (0.101 R)
• M6: 2,597,169 km (0.067 R)
• M7: 5,662,728 km (0.104 R)
• M8: 6,202,178 km (0.045 R)
• M9: 7,742,139 km (0.063 R)
• M10: 9,020,602 km (0.105 R)
• M11: 10,385,533 km (0.084 R)
• M12: 11,937,760 km (0.106 R)
• M13: 13,170,597 km (0.072 R)
• M14: 14,486,459 km (0.115 R)
• M15: 16,218,952 km (0.105 R)
• M16: 16,757,804 km (0.118 R)
• M17: 21,028,673 km (0.091 R)
• M18: 21,750,782 km (0.089 R)
• M19: 34,107,417 km (0.108 R)
• M20: 35,216,087 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.6

Radius: 3.9

Gravity: 30.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.76 AU - 11.74 AU

Year: 22758 Days

Day: 19.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,759,624 km

• M1: 49,517 km (0.108 R)
• M2: 170,990 km (0.097 R)
• M3: 335,249 km (0.119 R)
• M4: 465,549 km (0.052 R)
• M5: 1,130,960 km (0.098 R)
• M6: 1,268,440 km (0.061 R)
• M7: 1,448,107 km (0.055 R)
• M8: 1,696,440 km (0.106 R)
• M9: 2,131,919 km (0.092 R)
• M10: 2,278,076 km (0.118 R)
• M11: 2,521,622 km (0.079 R)
• M12: 3,246,872 km (0.092 R)
• M13: 6,897,659 km (0.103 R)
• M14: 7,791,955 km (0.053 R)
• M15: 8,974,825 km (0.1 R)
• M16: 10,213,346 km (0.085 R)
• M17: 10,390,619 km (0.067 R)
• M18: 14,235,285 km (0.074 R)
• M19: 14,906,081 km (0.037 R)
• M20: 15,675,762 km (0.078 R)
• M21: 15,832,691 km (0.049 R)
• M22: 18,754,187 km (0.103 R)
• M23: 19,020,023 km (0.058 R)
• M24: 20,201,696 km (0.098 R)
• M25: 22,510,141 km (0.067 R)
• M26: 24,669,138 km (0.043 R)
• M27: 25,095,492 km (0.101 R)
• M28: 27,528,402 km (0.07 R)
• M29: 29,512,818 km (0.102 R)
• M30: 34,289,029 km (0.099 R)
• M31: 38,690,198 km (0.071 R)
• M32: 41,174,570 km (0.111 R)
• M33: 41,623,812 km (0.088 R)
• M34: 44,544,860 km (0.071 R)
• M35: 50,277,900 km (0.097 R)
• M36: 50,791,020 km (0.118 R)
• M37: 55,022,396 km (0.09 R)
• M38: 60,634,111 km (0.091 R)
• M39: 72,324,287 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 15,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit