🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.28 AU - 1.9 AU

Year: 747 Days

Day: 46.1 Hours

Environment

Temp: -41 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.67 AU - 1.69 AU

Year: 812 Days

Day: 46.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.78 AU - 1.84 AU

Year: 908 Days

Day: 27.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.09 AU - 4.59 AU

Year: 2805 Days

Day: 45.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.61 AU - 4.73 AU

Year: 3174 Days

Day: 36.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 148.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,949,344 km

• M1: 657,632 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 8.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.1 AU - 8.78 AU

Year: 7565 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 77,949,344 km

• M1: 138,827 km (0.104 R)
• M2: 211,382 km (0.075 R)
• M3: 294,708 km (0.116 R)
• M4: 851,511 km (0.057 R)
• M5: 999,763 km (0.091 R)
• M6: 1,232,686 km (0.119 R)
• M7: 1,310,477 km (0.078 R)
• M8: 1,401,433 km (0.09 R)
• M9: 1,471,145 km (0.116 R)
• M10: 1,711,998 km (0.082 R)
• M11: 2,043,956 km (0.116 R)
• M12: 2,136,856 km (0.07 R)
• M13: 2,204,025 km (0.114 R)
• M14: 2,636,662 km (0.088 R)
• M15: 2,752,601 km (0.066 R)
• M16: 3,004,823 km (0.115 R)
• M17: 3,531,407 km (0.093 R)
• M18: 3,691,776 km (0.098 R)
• M19: 3,870,995 km (0.097 R)
• M20: 3,936,818 km (0.038 R)
• M21: 4,086,415 km (0.069 R)
• M22: 4,305,876 km (0.119 R)
• M23: 4,581,435 km (0.069 R)
• M24: 5,095,303 km (0.062 R)
• M25: 5,167,559 km (0.057 R)
• M26: 5,460,322 km (0.108 R)
• M27: 5,534,373 km (0.091 R)
• M28: 6,546,852 km (0.062 R)
• M29: 6,724,424 km (0.095 R)
• M30: 7,185,485 km (0.106 R)
• M31: 7,512,207 km (0.102 R)
• M32: 7,739,745 km (0.082 R)
• M33: 7,843,865 km (0.113 R)
• M34: 8,265,282 km (0.117 R)
• M35: 8,435,824 km (0.106 R)
• M36: 8,954,629 km (0.093 R)
• M37: 9,217,922 km (0.09 R)
• M38: 9,573,067 km (0.05 R)
• M39: 10,091,274 km (0.089 R)
• M40: 10,827,445 km (0.074 R)
• M41: 11,367,194 km (0.074 R)
• M42: 12,668,845 km (0.079 R)
• M43: 12,915,083 km (0.096 R)
• M44: 13,088,318 km (0.117 R)
• M45: 13,187,651 km (0.12 R)
• M46: 13,337,249 km (0.108 R)
• M47: 13,991,590 km (0.088 R)
• M48: 14,476,436 km (0.055 R)
• M49: 15,018,729 km (0.111 R)
• M50: 15,515,244 km (0.079 R)
• M51: 15,594,082 km (0.067 R)
• M52: 16,577,688 km (0.12 R)
• M53: 16,739,104 km (0.113 R)
• M54: 17,199,417 km (0.114 R)
• M55: 18,187,511 km (0.091 R)
• M56: 18,493,139 km (0.049 R)
• M57: 18,772,438 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.1

Radius: 3.9

Gravity: 65.69 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 11.59 AU - 14.11 AU

Year: 17172 Days

Day: 19.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 77,949,344 km

• M1: 285,582 km (0.09 R)
• M2: 580,589 km (0.1 R)
• M3: 695,181 km (0.083 R)
• M4: 817,104 km (0.101 R)
• M5: 2,047,546 km (0.089 R)
• M6: 2,082,103 km (0.106 R)
• M7: 2,293,635 km (0.101 R)
• M8: 3,007,665 km (0.085 R)
• M9: 3,368,046 km (0.117 R)
• M10: 3,657,818 km (0.108 R)
• M11: 3,742,041 km (0.069 R)
• M12: 3,827,013 km (0.048 R)
• M13: 4,349,708 km (0.116 R)
• M14: 5,751,440 km (0.066 R)
• M15: 7,923,152 km (0.112 R)
• M16: 10,020,813 km (0.108 R)
• M17: 10,197,937 km (0.03 R)
• M18: 11,282,671 km (0.102 R)
• M19: 11,344,007 km (0.111 R)
• M20: 11,466,976 km (0.113 R)
• M21: 11,528,610 km (0.097 R)
• M22: 11,714,261 km (0.044 R)
• M23: 12,151,386 km (0.091 R)
• M24: 13,624,626 km (0.115 R)
• M25: 13,886,422 km (0.118 R)
• M26: 14,216,286 km (0.091 R)
• M27: 14,282,408 km (0.062 R)
• M28: 15,697,454 km (0.098 R)
• M29: 17,794,667 km (0.099 R)
• M30: 18,585,441 km (0.119 R)
• M31: 19,461,187 km (0.034 R)
• M32: 19,756,044 km (0.094 R)
• M33: 20,424,896 km (0.089 R)
• M34: 20,574,494 km (0.098 R)
• M35: 21,252,472 km (0.057 R)
• M36: 22,014,224 km (0.08 R)
• M37: 22,090,818 km (0.034 R)
• M38: 22,398,392 km (0.03 R)
• M39: 23,173,458 km (0.071 R)
• M40: 23,564,357 km (0.097 R)
• M41: 24,273,302 km (0.093 R)
• M42: 24,670,334 km (0.069 R)
• M43: 24,749,921 km (0.083 R)
• M44: 25,149,347 km (0.106 R)
• M45: 26,360,491 km (0.111 R)
• M46: 26,605,084 km (0.085 R)
• M47: 27,096,363 km (0.095 R)
• M48: 27,756,090 km (0.113 R)
• M49: 28,004,721 km (0.114 R)
• M50: 28,087,898 km (0.044 R)
• M51: 28,254,251 km (0.034 R)
• M52: 28,421,052 km (0.098 R)
• M53: 31,132,813 km (0.095 R)
• M54: 31,305,000 km (0.085 R)
• M55: 32,083,807 km (0.099 R)
• M56: 32,781,531 km (0.069 R)
• M57: 33,132,188 km (0.069 R)
• M58: 33,748,980 km (0.109 R)
• M59: 33,837,393 km (0.119 R)
• M60: 34,636,545 km (0.113 R)
• M61: 38,539,703 km (0.076 R)
• M62: 38,817,207 km (0.062 R)
• M63: 39,374,160 km (0.107 R)
• M64: 39,467,209 km (0.104 R)
• M65: 41,155,122 km (0.051 R)
• M66: 42,388,706 km (0.039 R)
• M67: 44,116,861 km (0.099 R)
• M68: 45,476,706 km (0.109 R)
• M69: 47,542,203 km (0.081 R)
• M70: 48,137,902 km (0.044 R)
• M71: 49,336,779 km (0.111 R)
• M72: 49,537,540 km (0.066 R)
• M73: 50,343,274 km (0.039 R)
• M74: 50,545,381 km (0.108 R)
• M75: 52,274,283 km (0.111 R)
• M76: 52,683,882 km (0.11 R)
• M77: 54,436,720 km (0.036 R)
• M78: 55,268,036 km (0.101 R)
• M79: 56,628,030 km (0.056 R)
• M80: 56,733,048 km (0.099 R)
• M81: 58,316,840 km (0.088 R)
• M82: 58,741,698 km (0.049 R)
• M83: 58,848,062 km (0.119 R)
• M84: 60,451,153 km (0.104 R)
• M85: 62,285,223 km (0.034 R)
• M86: 63,045,779 km (0.054 R)
• M87: 63,263,593 km (0.106 R)
• M88: 64,576,015 km (0.091 R)
• M89: 67,338,938 km (0.089 R)
• M90: 67,672,990 km (0.098 R)
• M91: 70,140,158 km (0.096 R)
• M92: 71,157,873 km (0.113 R)
• M93: 72,522,355 km (0.069 R)
• M94: 72,979,077 km (0.109 R)
• M95: 73,322,404 km (0.12 R)
• M96: 77,016,425 km (0.052 R)
• M97: 77,365,885 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit