🌌 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: 95.8

Radius: 13.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 85,045,324 km

• M1: 172,935 km (0.057 R)
• M2: 732,431 km (0.076 R)
• M3: 1,258,567 km (0.109 R)
• M4: 2,231,551 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 8.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.63 AU - 0.81 AU

Year: 407 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 101.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,045,324 km

• M1: 110,702 km (0.1 R)
• M2: 421,417 km (0.117 R)
• M3: 738,116 km (0.059 R)
• M4: 1,174,044 km (0.063 R)
• M5: 1,547,141 km (0.059 R)
• M6: 1,863,989 km (0.118 R)
• M7: 2,343,899 km (0.082 R)
• M8: 2,774,592 km (0.115 R)
• M9: 3,551,453 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.6

Radius: 9.9

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.5 AU - 1.76 AU

Year: 1388 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,045,324 km

• M1: 125,513 km (0.053 R)
• M2: 609,911 km (0.098 R)
• M3: 925,412 km (0.056 R)
• M4: 1,354,310 km (0.08 R)
• M5: 1,741,170 km (0.062 R)
• M6: 3,479,198 km (0.038 R)
• M7: 4,886,465 km (0.111 R)
• M8: 6,969,316 km (0.078 R)
• M9: 9,875,105 km (0.082 R)
• M10: 10,270,791 km (0.086 R)
• M11: 11,271,003 km (0.068 R)
• M12: 12,871,999 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 14.1

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.95 AU - 2.97 AU

Year: 2573 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,045,324 km

• M1: 176,077 km (0.09 R)
• M2: 778,208 km (0.106 R)
• M3: 2,936,157 km (0.09 R)
• M4: 5,170,551 km (0.065 R)
• M5: 6,490,603 km (0.092 R)
• M6: 7,290,802 km (0.106 R)
• M7: 7,766,074 km (0.104 R)
• M8: 8,641,222 km (0.108 R)
• M9: 9,088,669 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 10.5

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.45 AU - 5.23 AU

Year: 6029 Days

Day: 12 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,045,324 km

• M1: 130,599 km (0.058 R)
• M2: 1,207,704 km (0.085 R)
• M3: 3,289,358 km (0.087 R)
• M4: 5,146,616 km (0.102 R)
• M5: 6,697,048 km (0.104 R)
• M6: 7,503,380 km (0.044 R)
• M7: 10,454,348 km (0.091 R)
• M8: 12,160,661 km (0.058 R)
• M9: 17,026,631 km (0.098 R)
• M10: 18,948,066 km (0.075 R)
• M11: 21,470,436 km (0.08 R)
• M12: 26,187,855 km (0.028 R)
• M13: 28,459,050 km (0.043 R)
• M14: 28,928,638 km (0.119 R)
• M15: 30,368,218 km (0.054 R)
• M16: 31,254,735 km (0.08 R)
• M17: 34,122,826 km (0.113 R)
• M18: 35,188,262 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 10.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.68 AU - 6.64 AU

Year: 8980 Days

Day: 7.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,045,324 km

• M1: 126,859 km (0.097 R)
• M2: 528,230 km (0.043 R)
• M3: 956,678 km (0.101 R)
• M4: 1,453,792 km (0.097 R)
• M5: 2,132,518 km (0.085 R)
• M6: 3,733,364 km (0.079 R)
• M7: 4,396,681 km (0.107 R)
• M8: 4,924,463 km (0.112 R)
• M9: 7,162,447 km (0.05 R)
• M10: 7,786,868 km (0.1 R)
• M11: 9,304,838 km (0.064 R)
• M12: 11,237,942 km (0.026 R)
• M13: 12,816,199 km (0.106 R)
• M14: 16,289,712 km (0.115 R)
• M15: 16,883,765 km (0.081 R)
• M16: 17,927,061 km (0.047 R)
• M17: 20,826,118 km (0.065 R)
• M18: 23,796,084 km (0.057 R)
• M19: 28,634,977 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.9

Radius: 7.3

Gravity: 15.85 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.68 AU - 11.76 AU

Year: 20208 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,045,324 km

• M1: 90,956 km (0.114 R)
• M2: 362,326 km (0.04 R)
• M3: 653,743 km (0.058 R)
• M4: 883,974 km (0.04 R)
• M5: 1,239,568 km (0.094 R)
• M6: 1,873,265 km (0.072 R)
• M7: 2,583,555 km (0.114 R)
• M8: 3,345,158 km (0.12 R)
• M9: 4,558,995 km (0.104 R)
• M10: 5,830,727 km (0.112 R)
• M11: 6,128,277 km (0.109 R)
• M12: 6,435,850 km (0.032 R)
• M13: 8,886,862 km (0.075 R)
• M14: 11,432,568 km (0.101 R)
• M15: 12,588,661 km (0.109 R)
• M16: 13,450,195 km (0.08 R)
• M17: 15,051,790 km (0.036 R)
• M18: 16,606,710 km (0.102 R)
• M19: 18,996,536 km (0.044 R)
• M20: 19,746,321 km (0.117 R)
• M21: 21,105,866 km (0.104 R)
• M22: 23,687,028 km (0.114 R)
• M23: 25,784,091 km (0.102 R)
• M24: 27,762,672 km (0.117 R)
• M25: 29,466,293 km (0.106 R)
• M26: 32,019,330 km (0.068 R)
• M27: 33,484,491 km (0.099 R)
• M28: 36,979,846 km (0.079 R)
• M29: 38,740,762 km (0.108 R)
• M30: 42,587,671 km (0.072 R)
• M31: 51,030,676 km (0.081 R)
• M32: 62,759,299 km (0.109 R)
• M33: 72,932,702 km (0.112 R)
• M34: 74,075,480 km (0.202 R)
• M35: 80,454,184 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.7

Radius: 6.5

Gravity: 20.99 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.59 AU - 10.21 AU

Year: 20772 Days

Day: 18.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,045,324 km

• M1: 85,570 km (0.099 R)
• M2: 339,886 km (0.077 R)
• M3: 627,563 km (0.079 R)
• M4: 1,155,644 km (0.108 R)
• M5: 1,626,428 km (0.068 R)
• M6: 1,886,728 km (0.09 R)
• M7: 2,306,799 km (0.054 R)
• M8: 2,761,876 km (0.087 R)
• M9: 3,509,416 km (0.064 R)
• M10: 3,882,065 km (0.101 R)
• M11: 4,779,951 km (0.112 R)
• M12: 5,198,825 km (0.083 R)
• M13: 5,936,642 km (0.091 R)
• M14: 7,926,892 km (0.109 R)
• M15: 11,023,269 km (0.032 R)
• M16: 11,753,905 km (0.107 R)
• M17: 15,324,058 km (0.092 R)
• M18: 20,724,691 km (0.083 R)
• M19: 22,249,542 km (0.092 R)
• M20: 23,630,330 km (0.082 R)
• M21: 24,396,870 km (0.057 R)
• M22: 27,270,645 km (0.119 R)
• M23: 30,106,721 km (0.117 R)
• M24: 31,398,947 km (0.067 R)
• M25: 33,817,347 km (0.073 R)
• M26: 35,782,015 km (0.092 R)
• M27: 39,021,258 km (0.028 R)
• M28: 43,909,668 km (0.042 R)
• M29: 44,900,754 km (0.104 R)
• M30: 54,500,898 km (0.069 R)
• M31: 60,585,941 km (0.054 R)
• M32: 64,955,695 km (0.092 R)
• M33: 72,927,316 km (0.112 R)
• M34: 80,785,393 km (0.22 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit