🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.5 AU - 0.6 AU

Year: 148 Days

Day: 19.8 Hours

Environment

Temp: 253 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 48,327,821 km

• M1: 434,133 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.59 AU - 0.81 AU

Year: 213 Days

Day: 42.2 Hours

Environment

Temp: 176 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,327,821 km

• M1: 369,656 km (0.084 R)
• M2: 517,459 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.82 AU - 1.36 AU

Year: 414 Days

Day: 29.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.5 AU - 1.94 AU

Year: 820 Days

Day: 27.5 Hours

Environment

Temp: -52 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.91 AU - 3.31 AU

Year: 1993 Days

Day: 22.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,327,821 km

• M1: 646,263 km (0.055 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.3 AU - 3.42 AU

Year: 2238 Days

Day: 39.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.2

Radius: 9.3

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.12 AU - 9.56 AU

Year: 7978 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 48,327,821 km

• M1: 116,836 km (0.074 R)
• M2: 761,304 km (0.119 R)
• M3: 980,764 km (0.11 R)
• M4: 1,081,293 km (0.058 R)
• M5: 1,202,916 km (0.081 R)
• M6: 1,675,047 km (0.092 R)
• M7: 1,817,016 km (0.081 R)
• M8: 2,585,949 km (0.117 R)
• M9: 2,822,613 km (0.12 R)
• M10: 2,992,556 km (0.077 R)
• M11: 3,266,470 km (0.075 R)
• M12: 3,496,701 km (0.059 R)
• M13: 3,865,310 km (0.11 R)
• M14: 3,999,948 km (0.107 R)
• M15: 4,246,485 km (0.108 R)
• M16: 4,329,662 km (0.102 R)
• M17: 4,469,685 km (0.116 R)
• M18: 4,554,358 km (0.112 R)
• M19: 4,869,710 km (0.049 R)
• M20: 5,221,714 km (0.113 R)
• M21: 5,340,943 km (0.095 R)
• M22: 5,461,070 km (0.083 R)
• M23: 5,612,463 km (0.106 R)
• M24: 5,673,499 km (0.114 R)
• M25: 5,857,654 km (0.107 R)
• M26: 6,232,098 km (0.111 R)
• M27: 6,582,157 km (0.086 R)
• M28: 6,711,110 km (0.078 R)
• M29: 6,840,811 km (0.037 R)
• M30: 7,135,818 km (0.096 R)
• M31: 7,235,002 km (0.092 R)
• M32: 7,468,374 km (0.083 R)
• M33: 7,704,290 km (0.11 R)
• M34: 7,772,208 km (0.097 R)
• M35: 8,080,080 km (0.101 R)
• M36: 8,183,602 km (0.114 R)
• M37: 8,496,710 km (0.114 R)
• M38: 8,743,098 km (0.095 R)
• M39: 8,813,858 km (0.089 R)
• M40: 9,242,755 km (0.042 R)
• M41: 9,387,266 km (0.095 R)
• M42: 9,605,380 km (0.118 R)
• M43: 9,788,488 km (0.094 R)
• M44: 11,643,053 km (0.116 R)
• M45: 14,223,317 km (0.052 R)
• M46: 14,432,006 km (0.117 R)
• M47: 15,792,299 km (0.109 R)
• M48: 16,138,768 km (0.102 R)
• M49: 16,707,090 km (0.084 R)
• M50: 17,281,845 km (0.066 R)
• M51: 17,683,665 km (0.088 R)
• M52: 17,953,240 km (0.104 R)
• M53: 18,224,312 km (0.088 R)
• M54: 19,692,017 km (0.107 R)
• M55: 20,205,436 km (0.101 R)
• M56: 22,205,560 km (0.072 R)
• M57: 22,447,908 km (0.097 R)
• M58: 23,672,517 km (0.113 R)
• M59: 24,068,951 km (0.063 R)
• M60: 24,218,250 km (0.103 R)
• M61: 24,567,561 km (0.031 R)
• M62: 25,423,111 km (0.068 R)
• M63: 25,778,256 km (0.055 R)
• M64: 26,237,372 km (0.082 R)
• M65: 27,786,757 km (0.061 R)
• M66: 28,205,033 km (0.073 R)
• M67: 28,783,378 km (0.084 R)
• M68: 28,888,994 km (0.097 R)
• M69: 30,273,373 km (0.11 R)
• M70: 30,865,631 km (0.071 R)
• M71: 31,136,104 km (0.114 R)
• M72: 32,280,528 km (0.101 R)
• M73: 32,445,085 km (0.098 R)
• M74: 32,555,040 km (0.063 R)
• M75: 33,161,659 km (0.042 R)
• M76: 33,327,862 km (0.102 R)
• M77: 34,442,217 km (0.091 R)
• M78: 34,666,614 km (0.04 R)
• M79: 36,193,709 km (0.089 R)
• M80: 36,307,702 km (0.12 R)
• M81: 36,535,989 km (0.106 R)
• M82: 36,650,431 km (0.086 R)
• M83: 36,764,874 km (0.111 R)
• M84: 36,879,465 km (0.029 R)
• M85: 38,845,630 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.7

Radius: 3.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 18.98 AU - 20.2 AU

Year: 31512 Days

Day: 19.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 48,327,821 km

• M1: 1,020,407 km (0.097 R)
• M2: 1,244,953 km (0.055 R)
• M3: 1,330,374 km (0.025 R)
• M4: 1,833,920 km (0.094 R)
• M5: 2,156,603 km (0.093 R)
• M6: 2,604,649 km (0.117 R)
• M7: 3,402,753 km (0.038 R)
• M8: 3,704,791 km (0.1 R)
• M9: 5,443,567 km (0.064 R)
• M10: 5,478,424 km (0.096 R)
• M11: 6,265,308 km (0.074 R)
• M12: 6,560,166 km (0.108 R)
• M13: 7,666,442 km (0.052 R)
• M14: 9,367,819 km (0.11 R)
• M15: 9,493,630 km (0.093 R)
• M16: 11,716,804 km (0.089 R)
• M17: 12,584,322 km (0.085 R)
• M18: 13,852,164 km (0.102 R)
• M19: 14,915,057 km (0.103 R)
• M20: 16,305,121 km (0.093 R)
• M21: 16,456,514 km (0.106 R)
• M22: 22,599,002 km (0.108 R)
• M23: 23,732,057 km (0.085 R)
• M24: 23,960,941 km (0.107 R)
• M25: 24,593,890 km (0.117 R)
• M26: 25,174,180 km (0.11 R)
• M27: 25,407,553 km (0.036 R)
• M28: 25,700,316 km (0.114 R)
• M29: 25,935,184 km (0.112 R)
• M30: 27,660,048 km (0.108 R)
• M31: 28,627,348 km (0.102 R)
• M32: 29,115,186 km (0.117 R)
• M33: 30,346,676 km (0.109 R)
• M34: 32,099,215 km (0.113 R)
• M35: 33,499,152 km (0.098 R)
• M36: 33,627,357 km (0.06 R)
• M37: 35,766,757 km (0.072 R)
• M38: 35,963,478 km (0.082 R)
• M39: 36,292,144 km (0.063 R)
• M40: 36,687,681 km (0.112 R)
• M41: 36,819,926 km (0.078 R)
• M42: 37,883,118 km (0.104 R)
• M43: 39,700,133 km (0.118 R)
• M44: 40,243,922 km (0.112 R)
• M45: 41,683,053 km (0.076 R)
• M46: 43,278,514 km (0.095 R)
• M47: 46,171,588 km (0.105 R)
• M48: 47,030,130 km (0.085 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 15,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit