🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.62 AU

Year: 139 Days

Day: 33.7 Hours

Environment

Temp: 215 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.72 AU - 0.9 AU

Year: 270 Days

Day: 27.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.24 AU - 1.36 AU

Year: 550 Days

Day: 24.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.11 AU - 2.51 AU

Year: 1302 Days

Day: 38.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.5 AU - 5.24 AU

Year: 3388 Days

Day: 30.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.7

Radius: 7.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 15.18 AU - 15.28 AU

Year: 22042 Days

Day: 19.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 60,258,622 km

• M1: 110,852 km (0.073 R)
• M2: 193,580 km (0.109 R)
• M3: 241,900 km (0.109 R)
• M4: 469,588 km (0.11 R)
• M5: 886,367 km (0.114 R)
• M6: 999,763 km (0.068 R)
• M7: 1,117,945 km (0.107 R)
• M8: 2,190,711 km (0.09 R)
• M9: 2,472,105 km (0.111 R)
• M10: 2,732,106 km (0.119 R)
• M11: 3,277,989 km (0.111 R)
• M12: 3,527,518 km (0.074 R)
• M13: 3,746,230 km (0.103 R)
• M14: 3,894,481 km (0.042 R)
• M15: 4,044,678 km (0.094 R)
• M16: 4,235,116 km (0.093 R)
• M17: 4,585,474 km (0.107 R)
• M18: 4,864,474 km (0.11 R)
• M19: 5,189,999 km (0.096 R)
• M20: 5,480,668 km (0.086 R)
• M21: 6,384,388 km (0.091 R)
• M22: 8,085,915 km (0.115 R)
• M23: 8,133,786 km (0.064 R)
• M24: 8,229,678 km (0.036 R)
• M25: 8,715,123 km (0.109 R)
• M26: 8,764,191 km (0.09 R)
• M27: 9,060,545 km (0.096 R)
• M28: 9,160,027 km (0.108 R)
• M29: 9,360,189 km (0.101 R)
• M30: 10,175,049 km (0.098 R)
• M31: 11,493,156 km (0.115 R)
• M32: 11,547,011 km (0.117 R)
• M33: 12,035,298 km (0.049 R)
• M34: 13,200,815 km (0.12 R)
• M35: 13,370,310 km (0.093 R)
• M36: 13,882,832 km (0.101 R)
• M37: 13,997,723 km (0.096 R)
• M38: 15,936,960 km (0.083 R)
• M39: 16,237,951 km (0.111 R)
• M40: 16,419,563 km (0.071 R)
• M41: 17,029,623 km (0.099 R)
• M42: 17,709,396 km (0.12 R)
• M43: 18,272,034 km (0.104 R)
• M44: 20,059,878 km (0.049 R)
• M45: 20,777,349 km (0.064 R)
• M46: 20,843,023 km (0.03 R)
• M47: 22,979,729 km (0.098 R)
• M48: 23,936,407 km (0.091 R)
• M49: 24,281,230 km (0.074 R)
• M50: 24,975,664 km (0.085 R)
• M51: 25,185,250 km (0.049 R)
• M52: 25,606,368 km (0.107 R)
• M53: 26,954,844 km (0.104 R)
• M54: 28,910,387 km (0.032 R)
• M55: 29,057,142 km (0.117 R)
• M56: 29,204,048 km (0.105 R)
• M57: 29,498,606 km (0.049 R)
• M58: 29,794,211 km (0.115 R)
• M59: 30,462,914 km (0.111 R)
• M60: 31,814,979 km (0.077 R)
• M61: 33,956,772 km (0.094 R)
• M62: 34,111,606 km (0.113 R)
• M63: 34,189,097 km (0.089 R)
• M64: 34,655,095 km (0.049 R)
• M65: 34,810,976 km (0.097 R)
• M66: 35,358,205 km (0.094 R)
• M67: 36,302,915 km (0.082 R)
• M68: 37,255,854 km (0.099 R)
• M69: 37,575,395 km (0.093 R)
• M70: 38,539,254 km (0.103 R)
• M71: 38,700,670 km (0.088 R)
• M72: 40,000,376 km (0.118 R)
• M73: 40,245,717 km (0.079 R)
• M74: 42,809,226 km (0.058 R)
• M75: 44,237,437 km (0.105 R)
• M76: 44,491,155 km (0.075 R)
• M77: 44,745,172 km (0.114 R)
• M78: 44,999,787 km (0.1 R)
• M79: 45,340,123 km (0.114 R)
• M80: 45,766,626 km (0.106 R)
• M81: 45,937,617 km (0.077 R)
• M82: 46,194,476 km (0.105 R)
• M83: 48,527,604 km (0.114 R)
• M84: 49,138,712 km (0.064 R)
• M85: 52,948,222 km (0.069 R)
• M86: 53,217,498 km (0.055 R)
• M87: 53,757,546 km (0.081 R)
• M88: 55,753,032 km (0.067 R)
• M89: 55,935,541 km (0.116 R)
• M90: 57,864,905 km (0.104 R)
• M91: 58,698,465 km (0.093 R)
• M92: 59,629,262 km (0.099 R)
• M93: 60,471,199 km (0.119 R)
• M94: 61,222,779 km (0.084 R)
• M95: 61,411,272 km (0.078 R)
• M96: 63,020,347 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.8

Radius: 5.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 13.6 AU - 17.32 AU

Year: 22543 Days

Day: 19.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 60,258,622 km

• M1: 268,528 km (0.083 R)
• M2: 1,537,417 km (0.09 R)
• M3: 1,643,333 km (0.046 R)
• M4: 2,731,956 km (0.109 R)
• M5: 3,361,015 km (0.081 R)
• M6: 3,464,238 km (0.085 R)
• M7: 3,568,657 km (0.108 R)
• M8: 4,402,965 km (0.071 R)
• M9: 5,495,777 km (0.118 R)
• M10: 6,367,633 km (0.05 R)
• M11: 6,538,474 km (0.092 R)
• M12: 6,581,409 km (0.119 R)
• M13: 6,841,260 km (0.075 R)
• M14: 7,148,534 km (0.092 R)
• M15: 7,913,578 km (0.114 R)
• M16: 8,751,625 km (0.108 R)
• M17: 9,912,355 km (0.098 R)
• M18: 11,018,182 km (0.089 R)
• M19: 12,109,648 km (0.103 R)
• M20: 12,374,586 km (0.115 R)
• M21: 12,534,506 km (0.057 R)
• M22: 12,587,913 km (0.077 R)
• M23: 12,910,296 km (0.071 R)
• M24: 13,562,992 km (0.101 R)
• M25: 14,282,109 km (0.12 R)
• M26: 14,900,247 km (0.038 R)
• M27: 15,757,293 km (0.081 R)
• M28: 16,337,434 km (0.103 R)
• M29: 16,395,927 km (0.075 R)
• M30: 16,512,912 km (0.112 R)
• M31: 17,220,809 km (0.115 R)
• M32: 18,301,205 km (0.12 R)
• M33: 18,727,260 km (0.091 R)
• M34: 21,351,206 km (0.108 R)
• M35: 21,479,113 km (0.111 R)
• M36: 25,497,162 km (0.092 R)
• M37: 27,347,837 km (0.076 R)
• M38: 29,312,356 km (0.073 R)
• M39: 30,599,197 km (0.071 R)
• M40: 31,321,905 km (0.099 R)
• M41: 32,050,446 km (0.059 R)
• M42: 32,490,114 km (0.077 R)
• M43: 34,044,885 km (0.052 R)
• M44: 36,307,553 km (0.108 R)
• M45: 36,765,921 km (0.057 R)
• M46: 37,688,341 km (0.117 R)
• M47: 38,307,527 km (0.107 R)
• M48: 38,774,123 km (0.026 R)
• M49: 40,106,292 km (0.112 R)
• M50: 40,264,117 km (0.108 R)
• M51: 42,252,871 km (0.117 R)
• M52: 42,574,058 km (0.06 R)
• M53: 42,654,542 km (0.038 R)
• M54: 45,665,348 km (0.111 R)
• M55: 47,905,427 km (0.104 R)
• M56: 48,659,999 km (0.051 R)
• M57: 49,587,655 km (0.065 R)
• M58: 50,776,659 km (0.11 R)
• M59: 51,289,032 km (0.115 R)
• M60: 51,889,069 km (0.093 R)
• M61: 53,182,641 km (0.116 R)
• M62: 53,442,643 km (0.11 R)
• M63: 54,574,201 km (0.12 R)
• M64: 55,889,615 km (0.076 R)
• M65: 57,037,928 km (0.042 R)
• M66: 58,105,010 km (0.031 R)
• M67: 59,088,765 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 15,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit