🌌 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: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.54 AU - 0.6 AU

Year: 153 Days

Day: 47.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.64 AU - 0.66 AU

Year: 186 Days

Day: 42.9 Hours

Environment

Temp: 161 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.1 AU

Year: 303 Days

Day: 35 Hours

Environment

Temp: 131 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Gas Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 14.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 9.95 AU - 13.63 AU

Year: 14362 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,146,954 km

• M1: 181,761 km (0.104 R)
• M2: 643,869 km (0.102 R)
• M3: 1,167,312 km (0.047 R)
• M4: 1,864,737 km (0.116 R)
• M5: 2,361,402 km (0.105 R)
• M6: 3,090,094 km (0.057 R)
• M7: 4,446,797 km (0.094 R)
• M8: 5,069,273 km (0.105 R)
• M9: 5,712,245 km (0.1 R)
• M10: 6,329,037 km (0.103 R)
• M11: 7,337,626 km (0.088 R)
• M12: 7,974,165 km (0.115 R)
• M13: 9,357,945 km (0.073 R)
• M14: 9,943,471 km (0.039 R)
• M15: 10,496,983 km (0.088 R)
• M16: 13,181,218 km (0.087 R)
• M17: 17,065,826 km (0.027 R)
• M18: 23,064,252 km (0.063 R)
• M19: 27,655,560 km (0.097 R)
• M20: 28,420,753 km (0.105 R)
• M21: 38,331,313 km (0.111 R)
• M22: 40,529,055 km (0.085 R)
• M23: 41,516,551 km (0.104 R)
• M24: 60,121,888 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 11.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.65 AU - 13.83 AU

Year: 15192 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,146,954 km

• M1: 143,764 km (0.075 R)
• M2: 539,151 km (0.119 R)
• M3: 3,459,301 km (0.038 R)
• M4: 4,617,488 km (0.094 R)
• M5: 6,856,220 km (0.096 R)
• M6: 7,262,229 km (0.08 R)
• M7: 9,340,891 km (0.104 R)
• M8: 10,463,922 km (0.116 R)
• M9: 15,658,260 km (0.12 R)
• M10: 19,484,075 km (0.059 R)
• M11: 25,113,593 km (0.11 R)
• M12: 27,885,791 km (0.087 R)
• M13: 28,713,815 km (0.117 R)
• M14: 30,855,758 km (0.054 R)
• M15: 31,965,774 km (0.064 R)
• M16: 34,857,052 km (0.102 R)
• M17: 45,417,614 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.7

Radius: 3.9

Gravity: 25.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.22 AU - 18.7 AU

Year: 20527 Days

Day: 19.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,146,954 km

• M1: 48,619 km (0.079 R)
• M2: 201,808 km (0.073 R)
• M3: 420,071 km (0.041 R)
• M4: 736,171 km (0.108 R)
• M5: 1,432,250 km (0.115 R)
• M6: 2,422,588 km (0.078 R)
• M7: 2,597,318 km (0.115 R)
• M8: 3,408,587 km (0.088 R)
• M9: 4,187,843 km (0.063 R)
• M10: 5,701,175 km (0.088 R)
• M11: 6,621,501 km (0.089 R)
• M12: 7,272,551 km (0.095 R)
• M13: 8,401,416 km (0.086 R)
• M14: 8,700,911 km (0.113 R)
• M15: 9,111,258 km (0.063 R)
• M16: 9,915,197 km (0.1 R)
• M17: 12,870,054 km (0.036 R)
• M18: 14,369,025 km (0.089 R)
• M19: 18,283,403 km (0.109 R)
• M20: 19,557,229 km (0.034 R)
• M21: 23,240,777 km (0.077 R)
• M22: 23,534,288 km (0.072 R)
• M23: 27,688,471 km (0.098 R)
• M24: 29,707,295 km (0.119 R)
• M25: 35,179,435 km (0.099 R)
• M26: 41,717,012 km (0.062 R)
• M27: 42,005,736 km (0.104 R)
• M28: 42,879,836 km (0.109 R)
• M29: 44,064,053 km (0.097 R)
• M30: 45,574,692 km (0.099 R)
• M31: 48,380,400 km (0.111 R)
• M32: 56,420,388 km (0.107 R)
• M33: 63,002,994 km (0.106 R)
• M34: 63,192,833 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.8

Radius: 3.3

Gravity: 74.91 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 17.36 AU - 19.22 AU

Year: 27750 Days

Day: 22.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 88,146,954 km

• M1: 40,990 km (0.098 R)
• M2: 293,361 km (0.085 R)
• M3: 533,765 km (0.094 R)
• M4: 930,648 km (0.119 R)
• M5: 1,214,136 km (0.11 R)
• M6: 1,844,691 km (0.086 R)
• M7: 2,219,135 km (0.048 R)
• M8: 2,642,048 km (0.115 R)
• M9: 3,744,435 km (0.087 R)
• M10: 3,879,372 km (0.102 R)
• M11: 4,267,728 km (0.117 R)
• M12: 4,917,880 km (0.048 R)
• M13: 5,457,779 km (0.056 R)
• M14: 5,719,725 km (0.104 R)
• M15: 6,654,113 km (0.092 R)
• M16: 8,014,856 km (0.086 R)
• M17: 8,938,473 km (0.095 R)
• M18: 9,739,420 km (0.108 R)
• M19: 13,266,489 km (0.115 R)
• M20: 20,326,012 km (0.091 R)
• M21: 20,533,953 km (0.069 R)
• M22: 23,255,737 km (0.107 R)
• M23: 26,331,469 km (0.108 R)
• M24: 32,417,559 km (0.056 R)
• M25: 36,240,234 km (0.046 R)
• M26: 43,202,818 km (0.042 R)
• M27: 45,117,072 km (0.074 R)
• M28: 46,724,651 km (0.114 R)
• M29: 47,451,098 km (0.077 R)
• M30: 56,355,612 km (0.076 R)
• M31: 58,428,291 km (0.078 R)
• M32: 59,483,405 km (0.059 R)
• M33: 66,997,556 km (0.104 R)
• M34: 67,921,173 km (0.088 R)
• M35: 69,793,540 km (0.1 R)
• M36: 71,940,868 km (0.113 R)
• M37: 72,182,169 km (0.043 R)
• M38: 73,152,611 km (0.034 R)
• M39: 74,624,654 km (0.108 R)
• M40: 78,390,780 km (0.104 R)
• M41: 80,190,891 km (0.097 R)
• M42: 91,008,164 km (0.045 R)
• M43: 93,856,657 km (0.047 R)
• M44: 97,943,521 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.9

Radius: 7.6

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 18.39 AU - 20.57 AU

Year: 30501 Days

Day: 25 Hours

Environment

Temp: -192 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,146,954 km

• M1: 94,546 km (0.078 R)
• M2: 519,553 km (0.04 R)
• M3: 1,124,527 km (0.042 R)
• M4: 1,642,136 km (0.109 R)
• M5: 3,869,798 km (0.031 R)
• M6: 4,168,545 km (0.103 R)
• M7: 4,518,604 km (0.104 R)
• M8: 8,279,793 km (0.077 R)
• M9: 10,077,960 km (0.111 R)
• M10: 11,569,899 km (0.088 R)
• M11: 14,191,901 km (0.083 R)
• M12: 14,585,044 km (0.095 R)
• M13: 14,824,251 km (0.099 R)
• M14: 15,147,383 km (0.098 R)
• M15: 18,830,034 km (0.103 R)
• M16: 21,283,588 km (0.091 R)
• M17: 23,503,022 km (0.097 R)
• M18: 26,105,876 km (0.066 R)
• M19: 28,149,083 km (0.116 R)
• M20: 30,296,561 km (0.087 R)
• M21: 31,476,439 km (0.104 R)
• M22: 33,510,671 km (0.058 R)
• M23: 34,207,797 km (0.106 R)
• M24: 36,357,219 km (0.091 R)
• M25: 50,259,948 km (0.099 R)
• M26: 53,221,088 km (0.047 R)
• M27: 54,169,688 km (0.076 R)
• M28: 57,281,174 km (0.099 R)
• M29: 63,432,639 km (0.081 R)
• M30: 68,436,538 km (0.065 R)
• M31: 73,229,504 km (0.087 R)
• M32: 85,531,685 km (0.117 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 14,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit