🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 12.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.54 AU - 0.86 AU

Year: 372 Days

Day: 7.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,799,237 km

• M1: 154,235 km (0.042 R)
• M2: 550,670 km (0.068 R)
• M3: 1,296,565 km (0.085 R)
• M4: 1,738,178 km (0.115 R)
• M5: 2,281,218 km (0.067 R)
• M6: 3,121,060 km (0.079 R)
• M7: 3,750,568 km (0.101 R)
• M8: 4,143,562 km (0.111 R)
• M9: 4,607,764 km (0.097 R)
• M10: 4,997,915 km (0.03 R)
• M11: 5,426,364 km (0.096 R)
• M12: 5,896,699 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.9

Radius: 9.6

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.89 AU - 0.95 AU

Year: 561 Days

Day: 5.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,799,237 km

• M1: 119,379 km (0.111 R)
• M2: 467,045 km (0.074 R)
• M3: 816,804 km (0.059 R)
• M4: 1,136,046 km (0.11 R)
• M5: 1,498,671 km (0.109 R)
• M6: 1,832,873 km (0.117 R)
• M7: 2,356,914 km (0.055 R)
• M8: 2,728,067 km (0.117 R)
• M9: 3,267,816 km (0.099 R)
• M10: 4,338,937 km (0.096 R)
• M11: 4,743,599 km (0.092 R)
• M12: 5,043,393 km (0.077 R)
• M13: 6,466,817 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 8.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.1 AU - 1.18 AU

Year: 774 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,799,237 km

• M1: 109,506 km (0.088 R)
• M2: 408,552 km (0.039 R)
• M3: 917,783 km (0.108 R)
• M4: 1,407,267 km (0.092 R)
• M5: 1,701,825 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 13.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.22 AU - 3.56 AU

Year: 3124 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,799,237 km

• M1: 167,849 km (0.117 R)
• M2: 809,923 km (0.109 R)
• M3: 1,435,541 km (0.119 R)
• M4: 2,116,361 km (0.105 R)
• M5: 2,638,009 km (0.117 R)
• M6: 3,574,791 km (0.093 R)
• M7: 4,990,884 km (0.111 R)
• M8: 5,664,972 km (0.091 R)
• M9: 7,709,825 km (0.059 R)
• M10: 8,193,475 km (0.076 R)
• M11: 10,112,068 km (0.059 R)
• M12: 10,725,569 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 15

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.83 AU - 4.11 AU

Year: 4110 Days

Day: 14.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,799,237 km

• M1: 186,549 km (0.117 R)
• M2: 811,868 km (0.108 R)
• M3: 1,477,578 km (0.063 R)
• M4: 2,363,347 km (0.102 R)
• M5: 2,859,115 km (0.039 R)
• M6: 4,473,276 km (0.093 R)
• M7: 5,671,106 km (0.088 R)
• M8: 6,212,650 km (0.102 R)
• M9: 6,695,253 km (0.117 R)
• M10: 7,400,158 km (0.114 R)
• M11: 8,660,071 km (0.112 R)
• M12: 12,527,924 km (0.067 R)
• M13: 13,954,340 km (0.099 R)
• M14: 15,486,671 km (0.053 R)
• M15: 16,837,540 km (0.088 R)
• M16: 18,022,355 km (0.111 R)
• M17: 19,325,352 km (0.064 R)
• M18: 20,690,283 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 9.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.49 AU - 4.53 AU

Year: 5106 Days

Day: 8.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,799,237 km

• M1: 160,070 km (0.089 R)
• M2: 556,504 km (0.108 R)
• M3: 1,349,971 km (0.102 R)
• M4: 1,667,867 km (0.102 R)
• M5: 2,036,027 km (0.098 R)
• M6: 3,077,228 km (0.07 R)
• M7: 5,514,028 km (0.096 R)
• M8: 6,282,213 km (0.115 R)
• M9: 14,323,697 km (0.115 R)
• M10: 16,806,573 km (0.111 R)
• M11: 20,566,416 km (0.08 R)
• M12: 20,951,331 km (0.084 R)
• M13: 21,537,755 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.6

Radius: 11.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.55 AU - 6.29 AU

Year: 8023 Days

Day: 9.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,799,237 km

• M1: 143,016 km (0.075 R)
• M2: 587,172 km (0.058 R)
• M3: 1,048,083 km (0.096 R)
• M4: 1,543,551 km (0.055 R)
• M5: 3,891,938 km (0.12 R)
• M6: 7,692,173 km (0.11 R)
• M7: 8,118,078 km (0.1 R)
• M8: 8,974,825 km (0.08 R)
• M9: 13,232,680 km (0.098 R)
• M10: 15,490,560 km (0.096 R)
• M11: 21,813,015 km (0.104 R)
• M12: 22,589,578 km (0.106 R)
• M13: 23,789,053 km (0.037 R)
• M14: 26,489,145 km (0.065 R)
• M15: 27,642,246 km (0.115 R)
• M16: 32,691,473 km (0.109 R)
• M17: 33,401,315 km (0.085 R)
• M18: 34,017,808 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 13

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.74 AU - 7.1 AU

Year: 9158 Days

Day: 12 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,799,237 km

• M1: 162,463 km (0.106 R)
• M2: 688,001 km (0.119 R)
• M3: 1,128,118 km (0.12 R)
• M4: 2,341,506 km (0.1 R)
• M5: 3,323,167 km (0.092 R)
• M6: 4,059,189 km (0.118 R)
• M7: 5,442,071 km (0.067 R)
• M8: 6,293,283 km (0.114 R)
• M9: 7,307,258 km (0.092 R)
• M10: 8,553,857 km (0.102 R)
• M11: 9,205,804 km (0.094 R)
• M12: 11,413,869 km (0.118 R)
• M13: 12,367,406 km (0.086 R)
• M14: 13,145,015 km (0.062 R)
• M15: 14,921,191 km (0.1 R)
• M16: 15,420,848 km (0.088 R)
• M17: 16,453,522 km (0.055 R)
• M18: 17,463,158 km (0.085 R)
• M19: 21,441,713 km (0.103 R)
• M20: 24,149,883 km (0.031 R)
• M21: 30,535,618 km (0.112 R)
• M22: 31,955,900 km (0.072 R)
• M23: 33,313,950 km (0.084 R)
• M24: 33,953,481 km (0.065 R)
• M25: 37,964,349 km (0.052 R)
• M26: 38,428,701 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.1

Radius: 6.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.09 AU - 7.87 AU

Year: 10488 Days

Day: 23.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,799,237 km

• M1: 85,869 km (0.086 R)
• M2: 341,382 km (0.092 R)
• M3: 650,302 km (0.08 R)
• M4: 1,197,681 km (0.091 R)
• M5: 1,441,824 km (0.091 R)
• M6: 1,670,559 km (0.093 R)
• M7: 2,217,040 km (0.079 R)
• M8: 3,074,087 km (0.113 R)
• M9: 6,125,584 km (0.071 R)
• M10: 6,546,104 km (0.091 R)
• M11: 8,135,282 km (0.092 R)
• M12: 8,792,615 km (0.094 R)
• M13: 9,288,981 km (0.108 R)
• M14: 10,337,512 km (0.037 R)
• M15: 13,852,464 km (0.086 R)
• M16: 14,471,799 km (0.117 R)
• M17: 17,370,856 km (0.113 R)
• M18: 18,582,000 km (0.113 R)
• M19: 18,956,145 km (0.093 R)
• M20: 21,306,926 km (0.12 R)
• M21: 22,131,808 km (0.037 R)
• M22: 22,622,788 km (0.118 R)
• M23: 23,918,605 km (0.114 R)
• M24: 24,659,414 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit