🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 9.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,230,344 km

• M1: 123,119 km (0.1 R)
• M2: 457,769 km (0.108 R)
• M3: 777,610 km (0.093 R)
• M4: 1,374,804 km (0.1 R)
• M5: 2,021,217 km (0.094 R)
• M6: 2,693,958 km (0.093 R)
• M7: 3,199,300 km (0.089 R)
• M8: 3,509,416 km (0.113 R)
• M9: 4,113,493 km (0.102 R)
• M10: 4,757,212 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 14.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.3 AU - 1.32 AU

Year: 1017 Days

Day: 13.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,230,344 km

• M1: 204,201 km (0.075 R)
• M2: 844,031 km (0.08 R)
• M3: 1,381,088 km (0.079 R)
• M4: 1,879,996 km (0.103 R)
• M5: 2,341,356 km (0.114 R)
• M6: 2,831,439 km (0.051 R)
• M7: 5,066,281 km (0.1 R)
• M8: 6,282,811 km (0.106 R)
• M9: 6,816,427 km (0.088 R)
• M10: 7,288,259 km (0.115 R)
• M11: 8,810,118 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 12.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.26 AU - 2.88 AU

Year: 2794 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,230,344 km

• M1: 160,818 km (0.04 R)
• M2: 739,313 km (0.025 R)
• M3: 1,554,023 km (0.087 R)
• M4: 2,108,133 km (0.099 R)
• M5: 2,666,582 km (0.111 R)
• M6: 3,569,854 km (0.103 R)
• M7: 4,408,200 km (0.075 R)
• M8: 5,907,171 km (0.098 R)
• M9: 6,323,801 km (0.109 R)
• M10: 6,839,315 km (0.062 R)
• M11: 7,523,127 km (0.086 R)
• M12: 8,192,129 km (0.087 R)
• M13: 8,680,566 km (0.084 R)
• M14: 9,549,131 km (0.04 R)
• M15: 10,299,065 km (0.087 R)
• M16: 14,784,907 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.4

Radius: 11

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.7 AU - 2.74 AU

Year: 3043 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,230,344 km

• M1: 137,480 km (0.079 R)
• M2: 568,771 km (0.095 R)
• M3: 1,254,827 km (0.1 R)
• M4: 1,997,730 km (0.068 R)
• M5: 2,371,276 km (0.095 R)
• M6: 3,073,937 km (0.111 R)
• M7: 3,457,955 km (0.099 R)
• M8: 4,481,055 km (0.102 R)
• M9: 4,828,720 km (0.062 R)
• M10: 5,260,908 km (0.088 R)
• M11: 5,648,516 km (0.061 R)
• M12: 6,455,747 km (0.092 R)
• M13: 7,765,027 km (0.083 R)
• M14: 8,178,216 km (0.094 R)
• M15: 8,952,984 km (0.102 R)
• M16: 10,363,692 km (0.116 R)
• M17: 10,792,738 km (0.086 R)
• M18: 11,686,586 km (0.082 R)
• M19: 13,036,258 km (0.119 R)
• M20: 13,494,476 km (0.09 R)
• M21: 14,664,780 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 12.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.9 AU - 4.5 AU

Year: 5838 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,230,344 km

• M1: 151,842 km (0.087 R)
• M2: 1,065,436 km (0.106 R)
• M3: 1,659,938 km (0.097 R)
• M4: 2,354,820 km (0.114 R)
• M5: 2,882,153 km (0.026 R)
• M6: 3,811,305 km (0.055 R)
• M7: 9,312,318 km (0.11 R)
• M8: 12,658,224 km (0.1 R)
• M9: 15,784,071 km (0.09 R)
• M10: 17,664,517 km (0.109 R)
• M11: 20,052,099 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73

Radius: 5.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.6 AU - 7.54 AU

Year: 11422 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,230,344 km

• M1: 63,429 km (0.055 R)
• M2: 230,680 km (0.115 R)
• M3: 410,048 km (0.1 R)
• M4: 844,929 km (0.08 R)
• M5: 1,209,349 km (0.11 R)
• M6: 2,819,770 km (0.062 R)
• M7: 3,941,904 km (0.107 R)
• M8: 4,602,229 km (0.031 R)
• M9: 6,586,794 km (0.077 R)
• M10: 7,479,445 km (0.037 R)
• M11: 7,989,573 km (0.091 R)
• M12: 8,199,908 km (0.104 R)
• M13: 8,378,079 km (0.116 R)
• M14: 9,269,682 km (0.102 R)
• M15: 10,470,804 km (0.07 R)
• M16: 10,765,212 km (0.098 R)
• M17: 10,978,988 km (0.107 R)
• M18: 11,862,513 km (0.065 R)
• M19: 14,225,561 km (0.077 R)
• M20: 16,999,853 km (0.115 R)
• M21: 18,179,582 km (0.046 R)
• M22: 18,913,210 km (0.118 R)
• M23: 19,413,016 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.6

Radius: 5.9

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.66 AU - 6.68 AU

Year: 11684 Days

Day: 19.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,230,344 km

• M1: 73,453 km (0.119 R)
• M2: 476,020 km (0.12 R)
• M3: 691,292 km (0.111 R)
• M4: 1,679,685 km (0.094 R)
• M5: 1,870,572 km (0.08 R)
• M6: 3,764,930 km (0.116 R)
• M7: 4,068,314 km (0.091 R)
• M8: 5,639,241 km (0.076 R)
• M9: 6,776,784 km (0.1 R)
• M10: 7,302,770 km (0.08 R)
• M11: 7,536,442 km (0.116 R)
• M12: 16,892,292 km (0.049 R)
• M13: 18,068,431 km (0.069 R)
• M14: 22,987,209 km (0.094 R)
• M15: 25,751,329 km (0.058 R)
• M16: 31,928,973 km (0.104 R)
• M17: 34,153,194 km (0.109 R)
• M18: 34,479,018 km (0.057 R)
• M19: 35,580,507 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.9

Radius: 4.4

Gravity: 30.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.15 AU - 11.79 AU

Year: 21352 Days

Day: 21.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,230,344 km

• M1: 54,902 km (0.032 R)
• M2: 219,909 km (0.11 R)
• M3: 538,403 km (0.06 R)
• M4: 683,662 km (0.06 R)
• M5: 981,362 km (0.065 R)
• M6: 1,120,189 km (0.101 R)
• M7: 1,316,012 km (0.103 R)
• M8: 1,485,656 km (0.074 R)
• M9: 1,965,118 km (0.077 R)
• M10: 4,445,750 km (0.102 R)
• M11: 4,617,787 km (0.03 R)
• M12: 4,865,970 km (0.039 R)
• M13: 6,073,524 km (0.062 R)
• M14: 6,242,570 km (0.069 R)
• M15: 7,277,039 km (0.089 R)
• M16: 8,684,156 km (0.119 R)
• M17: 9,794,023 km (0.105 R)
• M18: 10,995,144 km (0.09 R)
• M19: 11,892,133 km (0.093 R)
• M20: 12,291,111 km (0.112 R)
• M21: 13,115,844 km (0.065 R)
• M22: 17,371,155 km (0.077 R)
• M23: 18,584,843 km (0.102 R)
• M24: 20,795,301 km (0.076 R)
• M25: 22,362,339 km (0.055 R)
• M26: 23,484,323 km (0.077 R)
• M27: 24,217,651 km (0.116 R)
• M28: 26,061,595 km (0.117 R)
• M29: 27,533,339 km (0.116 R)
• M30: 30,271,428 km (0.106 R)
• M31: 39,710,904 km (0.108 R)
• M32: 40,006,061 km (0.064 R)
• M33: 42,113,745 km (0.089 R)
• M34: 43,194,740 km (0.066 R)
• M35: 44,770,903 km (0.078 R)
• M36: 46,059,240 km (0.104 R)
• M37: 56,146,474 km (0.082 R)
• M38: 56,704,923 km (0.114 R)
• M39: 64,712,149 km (0.072 R)
• M40: 66,981,848 km (0.061 R)
• M41: 74,555,839 km (0.057 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 12,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit