🌌 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: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.54 AU - 0.62 AU

Year: 155 Days

Day: 45.4 Hours

Environment

Temp: 198 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,549,137 km

• M1: 425,905 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.59 AU - 0.61 AU

Year: 163 Days

Day: 39.9 Hours

Environment

Temp: 209 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.81 AU - 1.29 AU

Year: 376 Days

Day: 17 Hours

Environment

Temp: 107 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.78 AU - 1.94 AU

Year: 887 Days

Day: 23.5 Hours

Environment

Temp: -51 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,549,137 km

• M1: 996,023 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.15 AU - 6.01 AU

Year: 4006 Days

Day: 31.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.2

Radius: 4.1

Gravity: 37.43 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 12.24 AU - 16.86 AU

Year: 19417 Days

Day: 15.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 35,549,137 km

• M1: 134,638 km (0.105 R)
• M2: 197,619 km (0.074 R)
• M3: 354,846 km (0.113 R)
• M4: 1,224,309 km (0.035 R)
• M5: 1,251,835 km (0.064 R)
• M6: 1,480,271 km (0.085 R)
• M7: 1,752,539 km (0.086 R)
• M8: 1,815,221 km (0.036 R)
• M9: 1,975,141 km (0.094 R)
• M10: 2,007,603 km (0.113 R)
• M11: 2,040,365 km (0.083 R)
• M12: 2,446,524 km (0.103 R)
• M13: 2,767,261 km (0.098 R)
• M14: 2,951,117 km (0.119 R)
• M15: 2,988,367 km (0.11 R)
• M16: 3,253,604 km (0.101 R)
• M17: 3,928,739 km (0.072 R)
• M18: 4,688,846 km (0.065 R)
• M19: 4,908,007 km (0.088 R)
• M20: 5,265,396 km (0.117 R)
• M21: 5,356,202 km (0.101 R)
• M22: 5,631,313 km (0.085 R)
• M23: 6,630,178 km (0.047 R)
• M24: 6,925,484 km (0.09 R)
• M25: 7,427,085 km (0.095 R)
• M26: 8,412,038 km (0.102 R)
• M27: 8,518,103 km (0.113 R)
• M28: 9,218,370 km (0.069 R)
• M29: 10,048,938 km (0.113 R)
• M30: 10,444,624 km (0.101 R)
• M31: 10,730,356 km (0.104 R)
• M32: 10,845,397 km (0.04 R)
• M33: 11,958,555 km (0.058 R)
• M34: 12,498,453 km (0.102 R)
• M35: 13,663,970 km (0.113 R)
• M36: 15,638,662 km (0.03 R)
• M37: 15,965,534 km (0.108 R)
• M38: 16,825,721 km (0.081 R)
• M39: 18,041,204 km (0.109 R)
• M40: 18,936,697 km (0.045 R)
• M41: 19,354,823 km (0.111 R)
• M42: 19,424,685 km (0.117 R)
• M43: 20,413,377 km (0.057 R)
• M44: 21,781,001 km (0.116 R)
• M45: 24,074,935 km (0.11 R)
• M46: 25,288,622 km (0.096 R)
• M47: 25,748,935 km (0.072 R)
• M48: 26,134,598 km (0.071 R)
• M49: 27,146,179 km (0.084 R)
• M50: 28,567,957 km (0.108 R)
• M51: 28,727,429 km (0.109 R)
• M52: 29,932,739 km (0.097 R)
• M53: 30,094,753 km (0.095 R)
• M54: 30,827,184 km (0.081 R)
• M55: 32,226,523 km (0.071 R)
• M56: 32,309,550 km (0.115 R)
• M57: 33,226,734 km (0.071 R)
• M58: 35,343,095 km (0.109 R)
• M59: 36,980,444 km (0.082 R)
• M60: 37,589,906 km (0.076 R)
• M61: 39,882,344 km (0.038 R)
• M62: 40,328,444 km (0.114 R)
• M63: 40,417,754 km (0.042 R)
• M64: 42,219,810 km (0.086 R)
• M65: 43,771,888 km (0.113 R)
• M66: 44,139,749 km (0.081 R)
• M67: 44,601,109 km (0.108 R)
• M68: 45,994,763 km (0.113 R)
• M69: 47,308,232 km (0.081 R)
• M70: 47,780,363 km (0.101 R)
• M71: 48,443,830 km (0.082 R)
• M72: 50,741,952 km (0.092 R)
• M73: 51,807,089 km (0.089 R)
• M74: 52,001,566 km (0.079 R)
• M75: 53,173,366 km (0.057 R)
• M76: 53,369,489 km (0.062 R)
• M77: 53,762,483 km (0.074 R)
• M78: 53,959,354 km (0.071 R)
• M79: 55,741,962 km (0.075 R)
• M80: 57,242,129 km (0.113 R)
• M81: 57,443,189 km (0.112 R)
• M82: 58,148,543 km (0.034 R)
• M83: 58,249,521 km (0.059 R)
• M84: 58,451,778 km (0.112 R)
• M85: 59,771,680 km (0.109 R)
• M86: 62,958,713 km (0.118 R)
• M87: 63,166,205 km (0.094 R)
• M88: 63,477,817 km (0.08 R)
• M89: 63,790,028 km (0.11 R)
• M90: 65,568,747 km (0.044 R)
• M91: 65,989,715 km (0.091 R)
• M92: 66,095,032 km (0.109 R)
• M93: 66,517,048 km (0.111 R)
• M94: 66,622,664 km (0.1 R)
• M95: 71,001,693 km (0.051 R)
• M96: 72,300,950 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.8

Radius: 5.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 13.03 AU - 20.89 AU

Year: 24435 Days

Day: 22.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 35,549,137 km

• M1: 108,159 km (0.115 R)
• M2: 175,179 km (0.096 R)
• M3: 383,569 km (0.05 R)
• M4: 487,839 km (0.112 R)
• M5: 900,280 km (0.112 R)
• M6: 1,343,987 km (0.083 R)
• M7: 1,523,654 km (0.068 R)
• M8: 1,905,877 km (0.06 R)
• M9: 2,087,339 km (0.044 R)
• M10: 2,190,562 km (0.119 R)
• M11: 2,253,393 km (0.037 R)
• M12: 2,532,243 km (0.027 R)
• M13: 3,099,069 km (0.089 R)
• M14: 3,193,316 km (0.109 R)
• M15: 3,240,739 km (0.095 R)
• M16: 3,506,125 km (0.088 R)
• M17: 3,904,654 km (0.12 R)
• M18: 4,422,861 km (0.042 R)
• M19: 4,502,447 km (0.057 R)
• M20: 5,897,447 km (0.034 R)
• M21: 6,014,433 km (0.1 R)
• M22: 6,946,876 km (0.109 R)
• M23: 7,070,594 km (0.071 R)
• M24: 7,763,232 km (0.059 R)
• M25: 8,543,385 km (0.106 R)
• M26: 8,976,171 km (0.065 R)
• M27: 10,564,602 km (0.046 R)
• M28: 10,742,324 km (0.089 R)
• M29: 11,427,183 km (0.077 R)
• M30: 13,372,105 km (0.081 R)
• M31: 13,796,514 km (0.114 R)
• M32: 15,096,071 km (0.097 R)
• M33: 15,176,106 km (0.096 R)
• M34: 16,310,955 km (0.104 R)
• M35: 16,640,220 km (0.065 R)
• M36: 16,971,729 km (0.109 R)
• M37: 17,683,216 km (0.106 R)
• M38: 18,532,783 km (0.117 R)
• M39: 20,139,165 km (0.101 R)
• M40: 21,070,710 km (0.038 R)
• M41: 24,698,160 km (0.104 R)
• M42: 24,886,952 km (0.102 R)
• M43: 25,076,044 km (0.057 R)
• M44: 26,462,218 km (0.107 R)
• M45: 28,118,715 km (0.09 R)
• M46: 28,860,122 km (0.088 R)
• M47: 29,058,938 km (0.08 R)
• M48: 29,858,688 km (0.112 R)
• M49: 30,059,747 km (0.096 R)
• M50: 30,767,046 km (0.099 R)
• M51: 31,020,914 km (0.117 R)
• M52: 31,838,167 km (0.11 R)
• M53: 32,197,950 km (0.099 R)
• M54: 33,285,377 km (0.119 R)
• M55: 33,964,551 km (0.063 R)
• M56: 34,279,454 km (0.108 R)
• M57: 35,549,092 km (0.114 R)

Kuiper Belt

Range: 31.4 - 54.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 10,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit