🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.5

Radius: 10.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.91 AU - 1.19 AU

Year: 717 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,942,166 km

• M1: 125,662 km (0.051 R)
• M2: 657,333 km (0.038 R)
• M3: 1,332,019 km (0.107 R)
• M4: 2,116,062 km (0.094 R)
• M5: 2,981,186 km (0.111 R)
• M6: 3,299,531 km (0.086 R)
• M7: 3,669,037 km (0.115 R)
• M8: 4,378,879 km (0.091 R)
• M9: 5,052,818 km (0.086 R)
• M10: 5,931,556 km (0.089 R)
• M11: 6,480,580 km (0.055 R)
• M12: 7,129,984 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134

Radius: 9.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.06 AU - 1.06 AU

Year: 728 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,942,166 km

• M1: 153,039 km (0.079 R)
• M2: 1,196,035 km (0.055 R)
• M3: 1,538,465 km (0.091 R)
• M4: 1,850,974 km (0.035 R)
• M5: 2,165,579 km (0.12 R)
• M6: 3,246,723 km (0.105 R)
• M7: 3,864,412 km (0.061 R)
• M8: 4,545,083 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.5

Radius: 8.1

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.98 AU - 1.16 AU

Year: 738 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 154.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,942,166 km

• M1: 110,104 km (0.053 R)
• M2: 363,074 km (0.098 R)
• M3: 650,452 km (0.085 R)
• M4: 1,391,260 km (0.104 R)
• M5: 1,646,025 km (0.095 R)
• M6: 2,560,517 km (0.096 R)
• M7: 3,659,762 km (0.106 R)
• M8: 4,882,426 km (0.083 R)
• M9: 5,383,130 km (0.103 R)
• M10: 6,124,238 km (0.044 R)
• M11: 6,706,921 km (0.062 R)
• M12: 7,208,373 km (0.101 R)
• M13: 8,493,270 km (0.093 R)
• M14: 9,300,649 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91

Radius: 11.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.5 AU - 1.62 AU

Year: 1299 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,942,166 km

• M1: 141,819 km (0.103 R)
• M2: 602,580 km (0.044 R)
• M3: 1,151,006 km (0.118 R)
• M4: 3,029,656 km (0.111 R)
• M5: 5,138,388 km (0.07 R)
• M6: 5,584,339 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 10.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.88 AU - 2.6 AU

Year: 2236 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,942,166 km

• M1: 126,859 km (0.104 R)
• M2: 530,773 km (0.08 R)
• M3: 969,993 km (0.034 R)
• M4: 1,317,957 km (0.063 R)
• M5: 1,678,638 km (0.07 R)
• M6: 2,035,429 km (0.112 R)
• M7: 2,404,038 km (0.101 R)
• M8: 3,010,657 km (0.109 R)
• M9: 3,425,043 km (0.068 R)
• M10: 3,769,418 km (0.112 R)
• M11: 4,369,155 km (0.062 R)
• M12: 4,713,081 km (0.107 R)
• M13: 5,903,132 km (0.113 R)
• M14: 6,248,703 km (0.072 R)
• M15: 6,712,756 km (0.118 R)
• M16: 7,062,216 km (0.081 R)
• M17: 7,594,635 km (0.083 R)
• M18: 7,915,074 km (0.117 R)
• M19: 9,453,987 km (0.115 R)
• M20: 10,066,590 km (0.115 R)
• M21: 10,705,373 km (0.094 R)
• M22: 13,962,717 km (0.037 R)
• M23: 15,581,965 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 10.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.1 AU - 2.54 AU

Year: 2356 Days

Day: 10 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,942,166 km

• M1: 128,056 km (0.116 R)
• M2: 472,131 km (0.081 R)
• M3: 873,801 km (0.084 R)
• M4: 1,222,215 km (0.094 R)
• M5: 1,655,001 km (0.116 R)
• M6: 2,252,346 km (0.112 R)
• M7: 3,003,626 km (0.086 R)
• M8: 3,621,465 km (0.03 R)
• M9: 4,163,309 km (0.079 R)
• M10: 4,888,410 km (0.111 R)
• M11: 5,224,107 km (0.071 R)
• M12: 6,535,931 km (0.047 R)
• M13: 9,485,702 km (0.069 R)
• M14: 9,974,438 km (0.03 R)
• M15: 10,443,128 km (0.106 R)
• M16: 11,699,451 km (0.092 R)
• M17: 12,549,765 km (0.092 R)
• M18: 14,647,576 km (0.104 R)
• M19: 15,683,242 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.4

Radius: 7.6

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.27 AU - 7.81 AU

Year: 11153 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,942,166 km

• M1: 94,546 km (0.087 R)
• M2: 337,044 km (0.062 R)
• M3: 701,764 km (0.112 R)
• M4: 1,097,001 km (0.066 R)
• M5: 1,514,529 km (0.118 R)
• M6: 2,258,030 km (0.092 R)
• M7: 2,733,452 km (0.109 R)
• M8: 3,451,821 km (0.069 R)
• M9: 6,168,668 km (0.12 R)
• M10: 7,054,288 km (0.115 R)
• M11: 7,794,647 km (0.078 R)
• M12: 8,068,112 km (0.074 R)
• M13: 9,792,377 km (0.118 R)
• M14: 10,937,549 km (0.111 R)
• M15: 12,169,488 km (0.098 R)
• M16: 13,168,353 km (0.067 R)
• M17: 17,557,853 km (0.088 R)
• M18: 18,187,212 km (0.109 R)
• M19: 19,995,102 km (0.103 R)
• M20: 21,294,509 km (0.058 R)
• M21: 26,849,975 km (0.066 R)
• M22: 28,861,169 km (0.103 R)
• M23: 34,629,514 km (0.075 R)
• M24: 38,830,671 km (0.082 R)
• M25: 40,984,581 km (0.084 R)
• M26: 42,510,928 km (0.116 R)
• M27: 44,363,099 km (0.088 R)
• M28: 53,940,803 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.6

Radius: 6.6

Gravity: 20.72 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.94 AU - 8.28 AU

Year: 13999 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,942,166 km

• M1: 82,129 km (0.065 R)
• M2: 458,817 km (0.112 R)
• M3: 673,190 km (0.097 R)
• M4: 1,145,770 km (0.069 R)
• M5: 1,586,485 km (0.109 R)
• M6: 2,096,165 km (0.074 R)
• M7: 2,755,742 km (0.104 R)
• M8: 3,328,702 km (0.094 R)
• M9: 4,254,115 km (0.071 R)
• M10: 5,525,697 km (0.116 R)
• M11: 6,268,899 km (0.085 R)
• M12: 11,928,186 km (0.085 R)
• M13: 12,438,614 km (0.099 R)
• M14: 12,764,887 km (0.076 R)
• M15: 15,963,738 km (0.061 R)
• M16: 21,564,683 km (0.037 R)
• M17: 23,788,754 km (0.116 R)
• M18: 24,190,574 km (0.102 R)
• M19: 24,801,681 km (0.085 R)
• M20: 25,948,798 km (0.075 R)
• M21: 28,012,949 km (0.097 R)
• M22: 38,595,054 km (0.085 R)
• M23: 39,709,857 km (0.088 R)
• M24: 42,738,466 km (0.111 R)
• M25: 43,183,370 km (0.117 R)
• M26: 46,540,346 km (0.082 R)
• M27: 47,326,932 km (0.118 R)
• M28: 48,282,414 km (0.117 R)
• M29: 49,576,286 km (0.098 R)
• M30: 65,368,435 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.7

Radius: 5.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.94 AU - 10.26 AU

Year: 19835 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,942,166 km

• M1: 74,051 km (0.101 R)
• M2: 358,736 km (0.072 R)
• M3: 569,818 km (0.105 R)
• M4: 1,180,626 km (0.103 R)
• M5: 2,340,459 km (0.096 R)
• M6: 4,325,622 km (0.076 R)
• M7: 7,393,875 km (0.109 R)
• M8: 9,207,300 km (0.072 R)
• M9: 10,627,283 km (0.084 R)
• M10: 18,589,331 km (0.064 R)
• M11: 20,363,113 km (0.112 R)
• M12: 23,940,297 km (0.119 R)
• M13: 24,167,386 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.3

Radius: 7.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 8.3 AU - 12.9 AU

Year: 23014 Days

Day: 23.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,942,166 km

• M1: 90,806 km (0.116 R)
• M2: 349,461 km (0.074 R)
• M3: 1,186,311 km (0.109 R)
• M4: 1,789,639 km (0.028 R)
• M5: 2,957,101 km (0.048 R)
• M6: 4,597,891 km (0.091 R)
• M7: 5,981,820 km (0.097 R)
• M8: 6,264,261 km (0.111 R)
• M9: 7,670,332 km (0.094 R)
• M10: 8,052,554 km (0.117 R)
• M11: 9,875,404 km (0.108 R)
• M12: 10,617,410 km (0.057 R)
• M13: 14,172,753 km (0.089 R)
• M14: 16,727,286 km (0.107 R)
• M15: 21,203,853 km (0.12 R)
• M16: 21,484,199 km (0.076 R)
• M17: 21,766,789 km (0.105 R)
• M18: 26,418,984 km (0.057 R)
• M19: 28,181,097 km (0.057 R)
• M20: 30,137,538 km (0.101 R)
• M21: 37,085,462 km (0.053 R)
• M22: 37,356,533 km (0.026 R)
• M23: 40,425,683 km (0.109 R)
• M24: 43,508,147 km (0.084 R)
• M25: 45,959,458 km (0.105 R)
• M26: 49,314,340 km (0.06 R)
• M27: 61,293,090 km (0.081 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: 201 - 13,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit