🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 6.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,985,926 km

• M1: 174,282 km (0.105 R)
• M2: 661,522 km (0.036 R)
• M3: 1,250,189 km (0.038 R)
• M4: 1,970,653 km (0.075 R)
• M5: 2,568,895 km (0.111 R)
• M6: 3,170,727 km (0.114 R)
• M7: 3,782,433 km (0.076 R)
• M8: 4,619,881 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 14.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.93 AU - 1.21 AU

Year: 738 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,985,926 km

• M1: 184,604 km (0.119 R)
• M2: 657,333 km (0.12 R)
• M3: 1,289,534 km (0.1 R)
• M4: 2,250,850 km (0.104 R)
• M5: 2,842,210 km (0.088 R)
• M6: 3,933,078 km (0.073 R)
• M7: 4,592,505 km (0.112 R)
• M8: 6,259,773 km (0.063 R)
• M9: 6,733,699 km (0.118 R)
• M10: 7,324,761 km (0.102 R)
• M11: 8,149,942 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 14.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.11 AU - 1.17 AU

Year: 812 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,985,926 km

• M1: 184,155 km (0.062 R)
• M2: 1,023,549 km (0.102 R)
• M3: 1,659,788 km (0.041 R)
• M4: 2,335,672 km (0.098 R)
• M5: 3,217,102 km (0.061 R)
• M6: 3,843,768 km (0.064 R)
• M7: 4,683,012 km (0.063 R)
• M8: 6,028,495 km (0.025 R)
• M9: 6,684,781 km (0.097 R)
• M10: 7,948,584 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 11.9

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.02 AU - 1.3 AU

Year: 833 Days

Day: 12.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,985,926 km

• M1: 147,952 km (0.092 R)
• M2: 1,083,687 km (0.118 R)
• M3: 1,471,594 km (0.117 R)
• M4: 2,011,792 km (0.096 R)
• M5: 2,428,572 km (0.092 R)
• M6: 3,554,296 km (0.092 R)
• M7: 3,961,950 km (0.066 R)
• M8: 4,641,424 km (0.087 R)
• M9: 5,533,924 km (0.071 R)
• M10: 6,829,292 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 11.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.57 AU - 5.61 AU

Year: 7658 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,985,926 km

• M1: 145,559 km (0.078 R)
• M2: 699,071 km (0.083 R)
• M3: 1,190,649 km (0.093 R)
• M4: 1,664,426 km (0.104 R)
• M5: 2,263,117 km (0.116 R)
• M6: 2,641,150 km (0.082 R)
• M7: 3,101,912 km (0.1 R)
• M8: 3,684,446 km (0.108 R)
• M9: 4,364,518 km (0.034 R)
• M10: 5,631,313 km (0.093 R)
• M11: 6,039,565 km (0.118 R)
• M12: 8,265,881 km (0.064 R)
• M13: 8,752,971 km (0.103 R)
• M14: 10,800,368 km (0.095 R)
• M15: 11,432,568 km (0.116 R)
• M16: 15,513,150 km (0.118 R)
• M17: 16,067,858 km (0.081 R)
• M18: 17,878,591 km (0.094 R)
• M19: 18,972,301 km (0.112 R)
• M20: 20,548,315 km (0.058 R)
• M21: 26,057,256 km (0.067 R)
• M22: 26,753,485 km (0.079 R)
• M23: 27,372,970 km (0.054 R)
• M24: 29,852,405 km (0.046 R)
• M25: 31,292,583 km (0.084 R)
• M26: 31,881,550 km (0.097 R)
• M27: 32,879,518 km (0.108 R)
• M28: 33,284,329 km (0.105 R)
• M29: 34,001,053 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.2

Radius: 6.7

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.62 AU - 6.98 AU

Year: 9315 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,985,926 km

• M1: 83,476 km (0.114 R)
• M2: 365,617 km (0.096 R)
• M3: 594,951 km (0.115 R)
• M4: 1,180,477 km (0.083 R)
• M5: 1,471,594 km (0.098 R)
• M6: 2,097,512 km (0.093 R)
• M7: 2,508,756 km (0.047 R)
• M8: 2,887,987 km (0.072 R)
• M9: 3,281,878 km (0.099 R)
• M10: 4,368,258 km (0.047 R)
• M11: 6,547,151 km (0.094 R)
• M12: 6,919,201 km (0.099 R)
• M13: 7,705,786 km (0.026 R)
• M14: 9,131,604 km (0.095 R)
• M15: 9,882,585 km (0.035 R)
• M16: 10,522,565 km (0.083 R)
• M17: 10,878,458 km (0.071 R)
• M18: 15,470,065 km (0.088 R)
• M19: 15,797,834 km (0.058 R)
• M20: 16,740,451 km (0.116 R)
• M21: 18,442,725 km (0.104 R)
• M22: 18,737,283 km (0.052 R)
• M23: 19,260,277 km (0.1 R)
• M24: 20,492,216 km (0.115 R)
• M25: 22,857,358 km (0.054 R)
• M26: 26,596,557 km (0.047 R)
• M27: 27,257,031 km (0.094 R)
• M28: 28,414,620 km (0.092 R)
• M29: 28,807,613 km (0.07 R)
• M30: 37,685,798 km (0.088 R)
• M31: 42,100,581 km (0.099 R)
• M32: 42,739,663 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436

Radius: 7.5

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.42 AU - 11.96 AU

Year: 20115 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,985,926 km

• M1: 98,136 km (0.11 R)
• M2: 332,855 km (0.098 R)
• M3: 1,023,100 km (0.044 R)
• M4: 1,518,119 km (0.102 R)
• M5: 2,243,070 km (0.076 R)
• M6: 3,128,839 km (0.095 R)
• M7: 3,470,671 km (0.082 R)
• M8: 6,992,204 km (0.107 R)
• M9: 7,954,717 km (0.103 R)
• M10: 9,265,195 km (0.072 R)
• M11: 10,655,557 km (0.12 R)
• M12: 10,890,276 km (0.112 R)
• M13: 11,128,436 km (0.096 R)
• M14: 13,027,132 km (0.082 R)
• M15: 13,499,413 km (0.118 R)
• M16: 15,205,876 km (0.082 R)
• M17: 17,372,801 km (0.07 R)
• M18: 27,331,232 km (0.083 R)
• M19: 30,397,091 km (0.091 R)
• M20: 33,058,736 km (0.09 R)
• M21: 37,201,849 km (0.09 R)
• M22: 38,979,520 km (0.058 R)
• M23: 45,108,994 km (0.073 R)
• M24: 53,036,185 km (0.118 R)
• M25: 62,032,552 km (0.08 R)
• M26: 63,946,059 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.5

Radius: 6.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.26 AU - 12.74 AU

Year: 22689 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,985,926 km

• M1: 83,924 km (0.026 R)
• M2: 293,361 km (0.087 R)
• M3: 758,312 km (0.097 R)
• M4: 1,145,920 km (0.11 R)
• M5: 1,601,595 km (0.109 R)
• M6: 6,172,408 km (0.102 R)
• M7: 6,649,925 km (0.104 R)
• M8: 6,917,106 km (0.075 R)
• M9: 7,271,205 km (0.115 R)
• M10: 8,058,538 km (0.034 R)
• M11: 8,450,634 km (0.081 R)
• M12: 8,855,446 km (0.065 R)
• M13: 11,892,133 km (0.116 R)
• M14: 12,747,534 km (0.096 R)
• M15: 13,889,115 km (0.108 R)
• M16: 19,063,705 km (0.09 R)
• M17: 21,450,240 km (0.099 R)
• M18: 23,234,644 km (0.05 R)
• M19: 31,151,812 km (0.058 R)
• M20: 35,827,194 km (0.062 R)
• M21: 45,574,094 km (0.082 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: 418 - 13,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit