🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 8.9

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.91 AU - 0.99 AU

Year: 598 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,439,673 km

• M1: 110,702 km (0.098 R)
• M2: 470,186 km (0.115 R)
• M3: 777,311 km (0.061 R)
• M4: 1,222,663 km (0.048 R)
• M5: 1,848,730 km (0.108 R)
• M6: 2,277,777 km (0.04 R)
• M7: 2,794,189 km (0.104 R)
• M8: 3,225,180 km (0.048 R)
• M9: 3,580,176 km (0.096 R)
• M10: 4,460,560 km (0.077 R)
• M11: 5,034,118 km (0.078 R)
• M12: 5,338,998 km (0.025 R)
• M13: 5,674,098 km (0.045 R)
• M14: 6,117,506 km (0.103 R)
• M15: 6,623,745 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484

Radius: 12.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.5 AU - 1.54 AU

Year: 1210 Days

Day: 15 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,439,673 km

• M1: 154,235 km (0.077 R)
• M2: 853,007 km (0.106 R)
• M3: 1,535,323 km (0.035 R)
• M4: 2,120,699 km (0.065 R)
• M5: 3,447,184 km (0.094 R)
• M6: 3,947,140 km (0.112 R)
• M7: 4,340,881 km (0.112 R)
• M8: 5,442,371 km (0.106 R)
• M9: 7,166,486 km (0.102 R)
• M10: 8,088,757 km (0.029 R)
• M11: 9,088,370 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 9.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.67 AU - 1.95 AU

Year: 1572 Days

Day: 8.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,439,673 km

• M1: 121,922 km (0.094 R)
• M2: 874,400 km (0.044 R)
• M3: 1,777,073 km (0.072 R)
• M4: 2,112,322 km (0.115 R)
• M5: 3,797,991 km (0.102 R)
• M6: 4,173,182 km (0.119 R)
• M7: 4,533,713 km (0.117 R)
• M8: 5,061,046 km (0.104 R)
• M9: 6,093,869 km (0.076 R)
• M10: 6,685,678 km (0.079 R)
• M11: 11,001,577 km (0.119 R)
• M12: 12,528,971 km (0.075 R)
• M13: 13,608,918 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 14.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.26 AU - 2.78 AU

Year: 2583 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,439,673 km

• M1: 180,864 km (0.1 R)
• M2: 674,238 km (0.108 R)
• M3: 1,230,143 km (0.097 R)
• M4: 1,963,322 km (0.112 R)
• M5: 3,207,079 km (0.076 R)
• M6: 3,953,124 km (0.112 R)
• M7: 5,133,601 km (0.091 R)
• M8: 5,921,981 km (0.081 R)
• M9: 6,818,521 km (0.072 R)
• M10: 11,700,498 km (0.115 R)
• M11: 12,803,633 km (0.105 R)
• M12: 14,068,034 km (0.082 R)
• M13: 16,170,034 km (0.09 R)
• M14: 17,376,541 km (0.041 R)
• M15: 18,139,939 km (0.096 R)
• M16: 18,642,438 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 9.4

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.28 AU - 2.96 AU

Year: 2738 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,439,673 km

• M1: 118,482 km (0.074 R)
• M2: 450,738 km (0.091 R)
• M3: 865,872 km (0.106 R)
• M4: 1,707,211 km (0.059 R)
• M5: 2,194,002 km (0.109 R)
• M6: 4,078,786 km (0.114 R)
• M7: 4,602,528 km (0.077 R)
• M8: 5,837,758 km (0.088 R)
• M9: 6,590,235 km (0.107 R)
• M10: 8,561,935 km (0.041 R)
• M11: 8,913,340 km (0.062 R)
• M12: 9,948,707 km (0.065 R)
• M13: 12,081,075 km (0.088 R)
• M14: 12,794,208 km (0.031 R)
• M15: 13,441,069 km (0.115 R)
• M16: 13,868,321 km (0.078 R)
• M17: 14,402,834 km (0.083 R)
• M18: 16,301,830 km (0.093 R)
• M19: 17,062,086 km (0.087 R)
• M20: 17,395,091 km (0.076 R)
• M21: 19,125,489 km (0.054 R)
• M22: 19,484,823 km (0.036 R)
• M23: 20,967,787 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 12.2

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.82 AU - 4.46 AU

Year: 5439 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,439,673 km

• M1: 151,692 km (0.106 R)
• M2: 782,098 km (0.089 R)
• M3: 1,189,453 km (0.043 R)
• M4: 1,998,029 km (0.066 R)
• M5: 3,419,807 km (0.099 R)
• M6: 3,899,119 km (0.039 R)
• M7: 4,715,923 km (0.11 R)
• M8: 5,107,720 km (0.072 R)
• M9: 5,491,139 km (0.082 R)
• M10: 6,021,464 km (0.091 R)
• M11: 6,551,788 km (0.105 R)
• M12: 7,185,485 km (0.107 R)
• M13: 8,212,474 km (0.052 R)
• M14: 9,378,141 km (0.118 R)
• M15: 10,462,576 km (0.115 R)
• M16: 11,181,693 km (0.116 R)
• M17: 13,316,155 km (0.112 R)
• M18: 13,706,007 km (0.092 R)
• M19: 16,334,292 km (0.074 R)
• M20: 17,834,161 km (0.114 R)
• M21: 18,514,232 km (0.058 R)
• M22: 21,560,793 km (0.071 R)
• M23: 22,567,886 km (0.108 R)
• M24: 27,000,172 km (0.118 R)
• M25: 30,998,025 km (0.057 R)
• M26: 32,985,433 km (0.054 R)
• M27: 33,392,788 km (0.094 R)
• M28: 36,015,987 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.1

Radius: 10.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.2 AU - 4.72 AU

Year: 6082 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,439,673 km

• M1: 134,339 km (0.111 R)
• M2: 490,831 km (0.062 R)
• M3: 1,174,942 km (0.099 R)
• M4: 1,717,683 km (0.044 R)
• M5: 4,078,188 km (0.092 R)
• M6: 5,811,279 km (0.119 R)
• M7: 11,137,861 km (0.063 R)
• M8: 12,383,413 km (0.06 R)
• M9: 13,013,220 km (0.059 R)
• M10: 16,802,683 km (0.107 R)
• M11: 17,185,803 km (0.119 R)
• M12: 18,169,409 km (0.084 R)
• M13: 21,049,019 km (0.084 R)
• M14: 23,817,028 km (0.113 R)
• M15: 25,371,799 km (0.115 R)
• M16: 26,473,886 km (0.045 R)
• M17: 31,588,338 km (0.113 R)
• M18: 33,262,488 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.8

Radius: 5.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.72 AU - 11.56 AU

Year: 19326 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,439,673 km

• M1: 74,500 km (0.076 R)
• M2: 263,143 km (0.059 R)
• M3: 486,941 km (0.051 R)
• M4: 734,974 km (0.103 R)
• M5: 1,478,027 km (0.099 R)
• M6: 3,336,182 km (0.086 R)
• M7: 4,128,303 km (0.098 R)
• M8: 4,914,739 km (0.046 R)
• M9: 6,440,338 km (0.025 R)
• M10: 7,452,667 km (0.053 R)
• M11: 8,522,142 km (0.098 R)
• M12: 11,609,244 km (0.119 R)
• M13: 12,686,797 km (0.097 R)
• M14: 13,644,672 km (0.095 R)
• M15: 14,394,008 km (0.097 R)
• M16: 15,104,747 km (0.074 R)
• M17: 15,435,508 km (0.077 R)
• M18: 19,475,848 km (0.096 R)
• M19: 21,239,158 km (0.109 R)
• M20: 27,553,385 km (0.097 R)
• M21: 29,460,757 km (0.042 R)
• M22: 29,769,827 km (0.096 R)
• M23: 30,394,398 km (0.069 R)
• M24: 35,475,639 km (0.118 R)
• M25: 39,826,095 km (0.072 R)
• M26: 44,926,185 km (0.115 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: 295 - 15,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit