🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.76 AU

Year: 227 Days

Day: 28.9 Hours

Environment

Temp: 112 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.97 AU - 0.99 AU

Year: 360 Days

Day: 26.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.21 AU - 1.53 AU

Year: 595 Days

Day: 41.3 Hours

Environment

Temp: -38 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.54 AU - 1.6 AU

Year: 730 Days

Day: 18 Hours

Environment

Temp: -49 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,307,317 km

• M1: 58,194 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.94 AU - 4.08 AU

Year: 2978 Days

Day: 44.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.87 AU - 6.03 AU

Year: 4718 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 33,307,317 km

• M1: 185,801 km (0.081 R)
• M2: 471,532 km (0.096 R)
• M3: 563,984 km (0.075 R)
• M4: 712,235 km (0.117 R)
• M5: 1,029,084 km (0.09 R)
• M6: 1,216,979 km (0.089 R)
• M7: 1,340,397 km (0.075 R)
• M8: 1,429,557 km (0.106 R)
• M9: 1,751,193 km (0.078 R)
• M10: 1,935,198 km (0.074 R)
• M11: 2,155,855 km (0.1 R)
• M12: 2,431,713 km (0.099 R)
• M13: 2,703,084 km (0.069 R)
• M14: 3,345,308 km (0.075 R)
• M15: 3,504,480 km (0.104 R)
• M16: 3,647,944 km (0.092 R)
• M17: 4,280,145 km (0.108 R)
• M18: 4,472,528 km (0.037 R)
• M19: 4,569,916 km (0.11 R)
• M20: 5,006,742 km (0.1 R)
• M21: 5,168,906 km (0.119 R)
• M22: 5,312,370 km (0.115 R)
• M23: 5,540,507 km (0.111 R)
• M24: 5,708,356 km (0.115 R)
• M25: 6,244,066 km (0.064 R)
• M26: 6,440,936 km (0.088 R)
• M27: 6,796,082 km (0.097 R)
• M28: 7,021,226 km (0.035 R)
• M29: 8,232,072 km (0.067 R)
• M30: 8,569,116 km (0.076 R)
• M31: 9,381,432 km (0.101 R)
• M32: 9,708,303 km (0.087 R)
• M33: 10,450,907 km (0.098 R)
• M34: 11,079,368 km (0.108 R)
• M35: 11,318,276 km (0.116 R)
• M36: 11,425,089 km (0.06 R)
• M37: 12,045,172 km (0.103 R)
• M38: 12,427,993 km (0.114 R)
• M39: 12,620,974 km (0.054 R)
• M40: 12,954,128 km (0.109 R)
• M41: 13,233,876 km (0.109 R)
• M42: 13,459,171 km (0.055 R)
• M43: 14,171,406 km (0.104 R)
• M44: 14,286,597 km (0.06 R)
• M45: 14,517,725 km (0.069 R)
• M46: 15,543,518 km (0.112 R)
• M47: 15,900,758 km (0.06 R)
• M48: 16,080,275 km (0.109 R)
• M49: 16,230,471 km (0.099 R)
• M50: 16,320,828 km (0.098 R)
• M51: 17,264,043 km (0.114 R)
• M52: 17,417,830 km (0.077 R)
• M53: 17,819,799 km (0.078 R)
• M54: 17,975,231 km (0.093 R)
• M55: 18,193,644 km (0.095 R)
• M56: 18,444,370 km (0.115 R)
• M57: 19,811,246 km (0.109 R)
• M58: 21,079,088 km (0.106 R)
• M59: 21,309,469 km (0.12 R)
• M60: 21,441,414 km (0.099 R)
• M61: 21,938,977 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 12.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.06 AU - 6.5 AU

Year: 5153 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 33,307,317 km

• M1: 157,227 km (0.064 R)
• M2: 277,504 km (0.115 R)
• M3: 481,256 km (0.104 R)
• M4: 876,494 km (0.067 R)
• M5: 1,109,717 km (0.113 R)
• M6: 1,532,331 km (0.106 R)
• M7: 2,275,982 km (0.07 R)
• M8: 2,376,213 km (0.1 R)
• M9: 3,164,145 km (0.108 R)
• M10: 3,344,709 km (0.102 R)
• M11: 3,482,339 km (0.109 R)
• M12: 3,739,797 km (0.079 R)
• M13: 3,858,877 km (0.12 R)
• M14: 4,398,177 km (0.096 R)
• M15: 4,676,878 km (0.103 R)
• M16: 4,961,413 km (0.103 R)
• M17: 5,225,005 km (0.067 R)
• M18: 5,711,198 km (0.078 R)
• M19: 5,848,828 km (0.068 R)
• M20: 6,043,455 km (0.091 R)
• M21: 6,410,568 km (0.063 R)
• M22: 7,615,728 km (0.111 R)
• M23: 8,604,271 km (0.042 R)
• M24: 9,242,755 km (0.117 R)
• M25: 9,863,436 km (0.112 R)
• M26: 10,396,603 km (0.094 R)
• M27: 10,666,627 km (0.104 R)
• M28: 10,768,504 km (0.105 R)
• M29: 10,870,828 km (0.116 R)
• M30: 10,973,303 km (0.119 R)
• M31: 11,076,226 km (0.104 R)
• M32: 11,840,522 km (0.031 R)
• M33: 12,801,688 km (0.111 R)
• M34: 13,091,310 km (0.109 R)
• M35: 13,273,370 km (0.068 R)
• M36: 13,936,089 km (0.069 R)
• M37: 14,159,289 km (0.11 R)
• M38: 14,308,887 km (0.051 R)
• M39: 15,216,946 km (0.055 R)
• M40: 15,562,367 km (0.102 R)
• M41: 15,639,560 km (0.043 R)
• M42: 15,832,840 km (0.114 R)
• M43: 16,378,274 km (0.104 R)
• M44: 17,208,243 km (0.074 R)
• M45: 17,327,921 km (0.083 R)
• M46: 17,487,841 km (0.119 R)
• M47: 17,648,360 km (0.079 R)
• M48: 17,809,327 km (0.12 R)
• M49: 17,970,893 km (0.049 R)
• M50: 18,051,825 km (0.096 R)
• M51: 18,213,990 km (0.094 R)
• M52: 18,580,804 km (0.056 R)
• M53: 18,785,603 km (0.057 R)
• M54: 19,363,051 km (0.061 R)
• M55: 19,654,019 km (0.098 R)
• M56: 21,215,820 km (0.091 R)
• M57: 22,076,607 km (0.114 R)
• M58: 22,337,056 km (0.064 R)
• M59: 22,554,871 km (0.039 R)
• M60: 23,521,722 km (0.092 R)
• M61: 23,876,568 km (0.044 R)
• M62: 23,965,728 km (0.089 R)
• M63: 24,233,359 km (0.034 R)
• M64: 24,457,157 km (0.102 R)
• M65: 25,814,758 km (0.095 R)
• M66: 26,640,987 km (0.096 R)
• M67: 26,779,515 km (0.097 R)
• M68: 27,150,218 km (0.106 R)
• M69: 27,475,893 km (0.053 R)
• M70: 27,662,591 km (0.104 R)
• M71: 28,319,475 km (0.088 R)
• M72: 28,602,514 km (0.071 R)
• M73: 31,484,517 km (0.094 R)
• M74: 32,121,056 km (0.088 R)
• M75: 32,366,995 km (0.111 R)
• M76: 32,564,165 km (0.107 R)
• M77: 32,910,335 km (0.095 R)
• M78: 33,158,218 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 17,636 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit