🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.59 AU - 0.87 AU

Year: 236 Days

Day: 40.5 Hours

Environment

Temp: 120 °C

Axial Tilt: 43.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.74 AU - 1.1 AU

Year: 334 Days

Day: 21.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 99,167,403 km

• M1: 20,944 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.54 AU - 1.66 AU

Year: 767 Days

Day: 21.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 11.1

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.22 AU - 8.76 AU

Year: 7764 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 99,167,403 km

• M1: 138,079 km (0.066 R)
• M2: 544,835 km (0.08 R)
• M3: 1,484,908 km (0.106 R)
• M4: 2,059,963 km (0.098 R)
• M5: 2,820,069 km (0.106 R)
• M6: 3,859,625 km (0.07 R)
• M7: 4,538,799 km (0.107 R)
• M8: 6,643,193 km (0.073 R)
• M9: 8,688,644 km (0.097 R)
• M10: 9,566,185 km (0.113 R)
• M11: 10,706,271 km (0.099 R)
• M12: 11,660,107 km (0.063 R)
• M13: 13,195,729 km (0.107 R)
• M14: 14,291,683 km (0.108 R)
• M15: 15,579,571 km (0.111 R)
• M16: 16,873,293 km (0.116 R)
• M17: 19,907,138 km (0.074 R)
• M18: 20,940,411 km (0.058 R)
• M19: 21,842,336 km (0.041 R)
• M20: 22,855,563 km (0.106 R)
• M21: 23,723,679 km (0.073 R)
• M22: 24,344,361 km (0.073 R)
• M23: 25,158,173 km (0.078 R)
• M24: 25,618,187 km (0.044 R)
• M25: 27,514,190 km (0.09 R)
• M26: 28,496,450 km (0.088 R)
• M27: 29,502,046 km (0.094 R)
• M28: 30,116,595 km (0.115 R)
• M29: 35,574,673 km (0.101 R)
• M30: 35,921,740 km (0.045 R)
• M31: 37,571,206 km (0.057 R)
• M32: 40,894,074 km (0.102 R)
• M33: 44,407,978 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.7

Radius: 4.8

Gravity: 43.35 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 11.13 AU - 15.47 AU

Year: 18371 Days

Day: 17.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 99,167,403 km

• M1: 60,288 km (0.106 R)
• M2: 238,609 km (0.103 R)
• M3: 618,438 km (0.07 R)
• M4: 869,313 km (0.092 R)
• M5: 1,171,800 km (0.06 R)
• M6: 1,610,421 km (0.11 R)
• M7: 2,237,386 km (0.057 R)
• M8: 2,486,616 km (0.059 R)
• M9: 3,095,180 km (0.063 R)
• M10: 3,318,530 km (0.107 R)
• M11: 3,704,492 km (0.097 R)
• M12: 3,860,672 km (0.1 R)
• M13: 5,633,557 km (0.092 R)
• M14: 6,765,414 km (0.098 R)
• M15: 7,287,211 km (0.102 R)
• M16: 8,197,963 km (0.115 R)
• M17: 10,000,618 km (0.084 R)
• M18: 10,993,948 km (0.099 R)
• M19: 13,320,194 km (0.116 R)
• M20: 15,067,498 km (0.099 R)
• M21: 15,466,625 km (0.12 R)
• M22: 15,709,422 km (0.117 R)
• M23: 17,833,113 km (0.086 R)
• M24: 20,333,343 km (0.077 R)
• M25: 25,450,188 km (0.052 R)
• M26: 29,588,813 km (0.063 R)
• M27: 34,291,273 km (0.059 R)
• M28: 40,378,709 km (0.08 R)
• M29: 46,138,078 km (0.089 R)
• M30: 49,038,481 km (0.102 R)
• M31: 53,152,871 km (0.11 R)
• M32: 56,720,481 km (0.079 R)
• M33: 57,297,929 km (0.061 R)
• M34: 57,879,416 km (0.077 R)
• M35: 59,251,229 km (0.079 R)
• M36: 59,647,214 km (0.119 R)
• M37: 62,878,379 km (0.076 R)
• M38: 65,376,962 km (0.079 R)
• M39: 68,157,538 km (0.115 R)
• M40: 68,374,754 km (0.12 R)
• M41: 73,268,400 km (0.117 R)
• M42: 80,552,918 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.9

Radius: 4.5

Gravity: 41.38 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 13.5 AU - 19.02 AU

Year: 24833 Days

Day: 16.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 99,167,403 km

• M1: 73,303 km (0.035 R)
• M2: 230,830 km (0.12 R)
• M3: 1,506,451 km (0.059 R)
• M4: 1,884,634 km (0.066 R)
• M5: 2,618,112 km (0.041 R)
• M6: 2,882,003 km (0.091 R)
• M7: 3,221,889 km (0.082 R)
• M8: 3,588,105 km (0.118 R)
• M9: 4,402,815 km (0.11 R)
• M10: 5,211,242 km (0.036 R)
• M11: 5,672,003 km (0.083 R)
• M12: 6,297,023 km (0.064 R)
• M13: 7,473,610 km (0.116 R)
• M14: 8,223,844 km (0.042 R)
• M15: 10,188,513 km (0.09 R)
• M16: 12,963,553 km (0.079 R)
• M17: 13,495,972 km (0.084 R)
• M18: 14,523,260 km (0.038 R)
• M19: 15,097,567 km (0.079 R)
• M20: 17,454,780 km (0.103 R)
• M21: 17,916,739 km (0.1 R)
• M22: 25,148,898 km (0.084 R)
• M23: 25,501,351 km (0.105 R)
• M24: 27,312,382 km (0.09 R)
• M25: 30,919,337 km (0.042 R)
• M26: 34,397,038 km (0.094 R)
• M27: 34,541,251 km (0.095 R)
• M28: 34,685,912 km (0.117 R)
• M29: 37,056,440 km (0.106 R)
• M30: 37,972,428 km (0.058 R)
• M31: 38,747,344 km (0.115 R)
• M32: 39,691,008 km (0.088 R)
• M33: 42,116,887 km (0.064 R)
• M34: 42,780,204 km (0.09 R)
• M35: 45,502,885 km (0.056 R)
• M36: 49,065,708 km (0.099 R)
• M37: 53,581,170 km (0.08 R)
• M38: 53,969,526 km (0.038 R)
• M39: 66,735,012 km (0.109 R)
• M40: 71,321,533 km (0.089 R)
• M41: 72,975,188 km (0.118 R)
• M42: 76,604,282 km (0.078 R)
• M43: 86,866,397 km (0.119 R)
• M44: 88,210,235 km (0.102 R)
• M45: 94,005,656 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.4

Radius: 3

Gravity: 77.04 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 14.63 AU - 21.91 AU

Year: 29577 Days

Day: 17 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 99,167,403 km

• M1: 45,179 km (0.1 R)
• M2: 145,559 km (0.046 R)
• M3: 413,638 km (0.1 R)
• M4: 1,903,035 km (0.079 R)
• M5: 2,933,764 km (0.065 R)
• M6: 3,316,136 km (0.112 R)
• M7: 4,287,475 km (0.067 R)
• M8: 10,068,685 km (0.103 R)
• M9: 12,280,489 km (0.04 R)
• M10: 12,652,988 km (0.065 R)
• M11: 23,208,464 km (0.1 R)
• M12: 30,119,736 km (0.114 R)
• M13: 33,893,492 km (0.117 R)
• M14: 35,667,124 km (0.099 R)
• M15: 49,846,160 km (0.036 R)
• M16: 51,749,494 km (0.093 R)
• M17: 72,303,194 km (0.112 R)
• M18: 81,066,338 km (0.095 R)
• M19: 90,231,152 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 18,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit