🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.71 AU

Year: 282 Days

Day: 16.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,158,845 km

• M1: 400,324 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 9.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.75 AU - 1.21 AU

Year: 636 Days

Day: 12.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,158,845 km

• M1: 121,922 km (0.119 R)
• M2: 429,944 km (0.113 R)
• M3: 738,415 km (0.082 R)
• M4: 1,313,619 km (0.039 R)
• M5: 1,668,465 km (0.064 R)
• M6: 2,369,929 km (0.088 R)
• M7: 2,730,610 km (0.111 R)
• M8: 3,221,441 km (0.089 R)
• M9: 3,614,584 km (0.111 R)
• M10: 3,998,302 km (0.064 R)
• M11: 4,482,999 km (0.107 R)
• M12: 4,848,317 km (0.087 R)
• M13: 5,200,620 km (0.082 R)
• M14: 5,903,282 km (0.074 R)
• M15: 6,249,601 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 14.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.37 AU - 2.01 AU

Year: 1441 Days

Day: 11.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,158,845 km

• M1: 177,872 km (0.077 R)
• M2: 647,759 km (0.115 R)
• M3: 1,130,212 km (0.053 R)
• M4: 1,813,575 km (0.117 R)
• M5: 3,345,308 km (0.063 R)
• M6: 4,114,540 km (0.059 R)
• M7: 5,664,673 km (0.1 R)
• M8: 6,710,212 km (0.08 R)
• M9: 7,852,691 km (0.114 R)
• M10: 9,659,086 km (0.098 R)
• M11: 10,454,198 km (0.064 R)
• M12: 11,765,424 km (0.082 R)
• M13: 12,403,459 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 13

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.81 AU - 1.83 AU

Year: 1611 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,158,845 km

• M1: 161,715 km (0.11 R)
• M2: 716,424 km (0.027 R)
• M3: 1,153,848 km (0.076 R)
• M4: 1,569,880 km (0.088 R)
• M5: 2,055,624 km (0.067 R)
• M6: 3,353,535 km (0.102 R)
• M7: 4,011,916 km (0.102 R)
• M8: 5,160,379 km (0.102 R)
• M9: 5,788,989 km (0.072 R)
• M10: 6,764,666 km (0.088 R)
• M11: 8,042,830 km (0.038 R)
• M12: 9,257,266 km (0.11 R)
• M13: 12,805,129 km (0.12 R)
• M14: 13,473,981 km (0.089 R)

Asteroid Belt

Center: 2.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.7

Radius: 8.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.96 AU - 4 AU

Year: 5209 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,158,845 km

• M1: 100,829 km (0.086 R)
• M2: 394,490 km (0.096 R)
• M3: 911,649 km (0.034 R)
• M4: 1,337,255 km (0.079 R)
• M5: 1,647,222 km (0.118 R)
• M6: 2,639,355 km (0.106 R)
• M7: 4,446,797 km (0.105 R)
• M8: 8,171,335 km (0.068 R)
• M9: 10,446,419 km (0.064 R)
• M10: 10,879,804 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.1

Radius: 4.4

Gravity: 50.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.51 AU - 8.37 AU

Year: 14677 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,158,845 km

• M1: 57,446 km (0.052 R)
• M2: 197,469 km (0.049 R)
• M3: 454,478 km (0.108 R)
• M4: 1,584,840 km (0.11 R)
• M5: 1,737,130 km (0.063 R)
• M6: 3,789,613 km (0.089 R)
• M7: 4,482,251 km (0.104 R)
• M8: 4,788,628 km (0.07 R)
• M9: 5,558,010 km (0.113 R)
• M10: 5,792,130 km (0.058 R)
• M11: 7,199,398 km (0.1 R)
• M12: 9,630,961 km (0.112 R)
• M13: 12,427,095 km (0.091 R)
• M14: 18,155,946 km (0.11 R)
• M15: 18,932,807 km (0.096 R)
• M16: 20,002,881 km (0.114 R)
• M17: 23,758,236 km (0.115 R)
• M18: 26,288,235 km (0.062 R)
• M19: 27,281,565 km (0.112 R)
• M20: 29,108,903 km (0.063 R)
• M21: 29,933,337 km (0.08 R)
• M22: 33,901,271 km (0.093 R)
• M23: 37,926,501 km (0.11 R)
• M24: 38,205,651 km (0.083 R)
• M25: 39,193,595 km (0.096 R)
• M26: 39,622,043 km (0.052 R)
• M27: 43,467,756 km (0.101 R)
• M28: 44,234,744 km (0.059 R)
• M29: 46,910,003 km (0.096 R)
• M30: 58,133,134 km (0.118 R)
• M31: 61,338,119 km (0.099 R)
• M32: 64,460,227 km (0.072 R)
• M33: 64,857,708 km (0.119 R)
• M34: 66,262,133 km (0.093 R)
• M35: 67,073,701 km (0.12 R)
• M36: 68,303,396 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.4

Radius: 4.7

Gravity: 35.87 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.39 AU - 9.51 AU

Year: 16114 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,158,845 km

• M1: 58,642 km (0.119 R)
• M2: 503,098 km (0.042 R)
• M3: 978,370 km (0.085 R)
• M4: 1,190,799 km (0.064 R)
• M5: 1,358,947 km (0.112 R)
• M6: 2,365,442 km (0.099 R)
• M7: 2,564,407 km (0.044 R)
• M8: 2,750,506 km (0.117 R)
• M9: 3,228,920 km (0.114 R)
• M10: 3,673,376 km (0.106 R)
• M11: 4,414,932 km (0.119 R)
• M12: 5,438,182 km (0.036 R)
• M13: 5,785,548 km (0.117 R)
• M14: 6,524,562 km (0.098 R)
• M15: 7,893,083 km (0.064 R)
• M16: 9,332,962 km (0.109 R)
• M17: 11,121,704 km (0.11 R)
• M18: 11,617,920 km (0.109 R)
• M19: 14,614,066 km (0.104 R)
• M20: 17,336,748 km (0.077 R)
• M21: 19,210,910 km (0.083 R)
• M22: 22,268,690 km (0.091 R)
• M23: 23,963,634 km (0.07 R)
• M24: 29,679,170 km (0.027 R)
• M25: 32,473,210 km (0.039 R)
• M26: 32,976,457 km (0.075 R)
• M27: 33,869,556 km (0.077 R)
• M28: 38,297,803 km (0.112 R)
• M29: 42,195,875 km (0.117 R)
• M30: 44,317,472 km (0.102 R)
• M31: 47,631,663 km (0.095 R)
• M32: 49,431,924 km (0.064 R)
• M33: 52,647,231 km (0.104 R)
• M34: 59,866,375 km (0.08 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: 400 - 11,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit