🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.44 AU - 0.7 AU

Year: 153 Days

Day: 12.3 Hours

Environment

Temp: 235 °C

Axial Tilt: 3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,232,019 km

• M1: 63,579 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.68 AU - 0.8 AU

Year: 226 Days

Day: 20.2 Hours

Environment

Temp: 172 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,232,019 km

• M1: 52,808 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.65 AU - 2.51 AU

Year: 1064 Days

Day: 38 Hours

Environment

Temp: -60 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,232,019 km

• M1: 131,497 km (0.069 R)
• M2: 576,251 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.35 AU - 4.49 AU

Year: 2753 Days

Day: 21.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.6 AU - 5.32 AU

Year: 3919 Days

Day: 33.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 10.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.2 AU - 9.26 AU

Year: 9948 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 79,232,019 km

• M1: 317,895 km (0.084 R)
• M2: 465,249 km (0.035 R)
• M3: 544,835 km (0.107 R)
• M4: 766,390 km (0.114 R)
• M5: 1,092,663 km (0.106 R)
• M6: 1,306,588 km (0.104 R)
• M7: 1,509,742 km (0.103 R)
• M8: 1,584,092 km (0.073 R)
• M9: 2,069,387 km (0.12 R)
• M10: 2,264,762 km (0.079 R)
• M11: 2,364,843 km (0.107 R)
• M12: 2,437,249 km (0.108 R)
• M13: 2,779,977 km (0.079 R)
• M14: 3,201,843 km (0.053 R)
• M15: 3,694,469 km (0.105 R)
• M16: 3,949,683 km (0.084 R)
• M17: 4,585,923 km (0.104 R)
• M18: 5,065,234 km (0.116 R)
• M19: 5,197,180 km (0.091 R)
• M20: 5,273,026 km (0.105 R)
• M21: 5,580,001 km (0.086 R)
• M22: 6,332,777 km (0.073 R)
• M23: 6,434,204 km (0.112 R)
• M24: 6,597,715 km (0.053 R)
• M25: 6,762,572 km (0.089 R)
• M26: 6,866,243 km (0.083 R)
• M27: 7,286,463 km (0.118 R)
• M28: 7,758,295 km (0.074 R)
• M29: 8,373,292 km (0.074 R)
• M30: 8,619,081 km (0.07 R)
• M31: 9,141,028 km (0.099 R)
• M32: 10,430,113 km (0.11 R)
• M33: 13,071,413 km (0.067 R)
• M34: 13,149,054 km (0.112 R)
• M35: 14,092,568 km (0.033 R)
• M36: 14,198,783 km (0.081 R)
• M37: 14,626,184 km (0.102 R)
• M38: 15,248,062 km (0.051 R)
• M39: 16,350,150 km (0.092 R)
• M40: 16,882,569 km (0.1 R)
• M41: 17,620,535 km (0.086 R)
• M42: 17,792,273 km (0.039 R)
• M43: 18,834,522 km (0.12 R)
• M44: 19,068,941 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.4

Radius: 7.5

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 12.77 AU - 14.81 AU

Year: 18167 Days

Day: 15.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 79,232,019 km

• M1: 100,380 km (0.094 R)
• M2: 184,604 km (0.115 R)
• M3: 369,357 km (0.056 R)
• M4: 679,474 km (0.088 R)
• M5: 1,086,380 km (0.074 R)
• M6: 1,654,104 km (0.085 R)
• M7: 1,751,342 km (0.059 R)
• M8: 2,054,428 km (0.088 R)
• M9: 2,194,451 km (0.111 R)
• M10: 2,558,423 km (0.082 R)
• M11: 3,260,486 km (0.104 R)
• M12: 3,802,628 km (0.116 R)
• M13: 4,194,425 km (0.074 R)
• M14: 4,875,993 km (0.083 R)
• M15: 5,301,300 km (0.08 R)
• M16: 5,886,826 km (0.103 R)
• M17: 6,855,472 km (0.063 R)
• M18: 6,907,831 km (0.062 R)
• M19: 7,600,619 km (0.084 R)
• M20: 7,709,077 km (0.119 R)
• M21: 8,427,147 km (0.063 R)
• M22: 8,765,687 km (0.1 R)
• M23: 9,224,205 km (0.076 R)
• M24: 9,339,993 km (0.067 R)
• M25: 11,196,204 km (0.115 R)
• M26: 11,506,021 km (0.119 R)
• M27: 11,568,254 km (0.078 R)
• M28: 11,630,636 km (0.111 R)
• M29: 12,007,623 km (0.092 R)
• M30: 16,761,693 km (0.118 R)
• M31: 18,485,210 km (0.106 R)
• M32: 20,415,023 km (0.09 R)
• M33: 20,566,117 km (0.106 R)
• M34: 21,021,642 km (0.041 R)
• M35: 22,097,401 km (0.031 R)
• M36: 23,427,625 km (0.087 R)
• M37: 23,506,613 km (0.079 R)
• M38: 23,982,783 km (0.117 R)
• M39: 25,025,480 km (0.065 R)
• M40: 25,349,210 km (0.064 R)
• M41: 28,662,653 km (0.048 R)
• M42: 30,369,714 km (0.086 R)
• M43: 30,542,200 km (0.085 R)
• M44: 30,974,987 km (0.079 R)
• M45: 31,061,754 km (0.101 R)
• M46: 31,496,934 km (0.119 R)
• M47: 32,109,537 km (0.036 R)
• M48: 32,637,767 km (0.054 R)
• M49: 32,814,443 km (0.106 R)
• M50: 32,991,417 km (0.097 R)
• M51: 33,168,840 km (0.111 R)
• M52: 34,149,903 km (0.052 R)
• M53: 34,239,512 km (0.12 R)
• M54: 35,866,837 km (0.073 R)
• M55: 36,323,261 km (0.066 R)
• M56: 37,334,393 km (0.052 R)
• M57: 37,611,747 km (0.058 R)
• M58: 38,634,398 km (0.029 R)
• M59: 38,821,395 km (0.112 R)
• M60: 39,760,571 km (0.074 R)
• M61: 41,088,102 km (0.053 R)
• M62: 41,565,619 km (0.058 R)
• M63: 43,009,537 km (0.103 R)
• M64: 43,300,206 km (0.088 R)
• M65: 44,176,401 km (0.11 R)
• M66: 44,665,586 km (0.115 R)
• M67: 45,156,716 km (0.09 R)
• M68: 45,353,586 km (0.066 R)
• M69: 45,649,491 km (0.093 R)
• M70: 45,946,144 km (0.081 R)
• M71: 46,441,761 km (0.116 R)
• M72: 48,240,975 km (0.115 R)
• M73: 48,341,654 km (0.049 R)
• M74: 48,643,842 km (0.115 R)
• M75: 49,859,325 km (0.049 R)
• M76: 50,982,206 km (0.034 R)
• M77: 51,804,097 km (0.044 R)
• M78: 52,320,060 km (0.119 R)
• M79: 53,045,161 km (0.078 R)
• M80: 53,356,923 km (0.07 R)
• M81: 53,669,283 km (0.114 R)
• M82: 59,503,301 km (0.053 R)
• M83: 59,827,180 km (0.07 R)
• M84: 60,043,499 km (0.057 R)
• M85: 60,911,316 km (0.119 R)
• M86: 61,020,074 km (0.113 R)
• M87: 62,659,218 km (0.1 R)
• M88: 65,534,788 km (0.103 R)
• M89: 69,019,072 km (0.032 R)
• M90: 71,642,719 km (0.07 R)
• M91: 71,987,393 km (0.086 R)
• M92: 72,563,046 km (0.043 R)
• M93: 72,678,386 km (0.077 R)
• M94: 74,997,153 km (0.101 R)
• M95: 75,347,212 km (0.093 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 13,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit