🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 10.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.55 AU - 0.55 AU

Year: 282 Days

Day: 7.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,523,542 km

• M1: 125,812 km (0.086 R)
• M2: 466,596 km (0.046 R)
• M3: 1,037,312 km (0.073 R)
• M4: 1,472,641 km (0.116 R)
• M5: 2,268,502 km (0.069 R)
• M6: 2,604,948 km (0.059 R)
• M7: 3,148,437 km (0.085 R)
• M8: 3,799,487 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 11.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.62 AU - 0.92 AU

Year: 466 Days

Day: 11.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,523,542 km

• M1: 138,079 km (0.06 R)
• M2: 531,820 km (0.112 R)
• M3: 894,146 km (0.061 R)
• M4: 1,270,236 km (0.08 R)
• M5: 1,655,450 km (0.05 R)
• M6: 2,075,222 km (0.044 R)
• M7: 2,446,224 km (0.103 R)
• M8: 2,807,354 km (0.053 R)
• M9: 3,216,205 km (0.068 R)
• M10: 3,945,494 km (0.061 R)
• M11: 4,566,026 km (0.063 R)
• M12: 5,385,374 km (0.12 R)
• M13: 5,911,509 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.4

Radius: 10.4

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.59 AU

Year: 1071 Days

Day: 6.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,523,542 km

• M1: 129,402 km (0.074 R)
• M2: 556,055 km (0.08 R)
• M3: 1,017,266 km (0.102 R)
• M4: 1,360,742 km (0.078 R)
• M5: 2,122,195 km (0.106 R)
• M6: 2,599,113 km (0.03 R)
• M7: 3,228,920 km (0.034 R)
• M8: 3,587,955 km (0.109 R)
• M9: 4,218,211 km (0.106 R)
• M10: 4,920,723 km (0.096 R)
• M11: 5,261,507 km (0.063 R)
• M12: 5,719,875 km (0.11 R)
• M13: 6,763,021 km (0.06 R)
• M14: 8,239,552 km (0.062 R)
• M15: 9,596,255 km (0.119 R)
• M16: 10,010,042 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 9.2

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.39 AU - 2.29 AU

Year: 1723 Days

Day: 15 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,523,542 km

• M1: 114,742 km (0.086 R)
• M2: 453,132 km (0.112 R)
• M3: 1,114,504 km (0.099 R)
• M4: 1,883,138 km (0.098 R)
• M5: 3,556,390 km (0.098 R)
• M6: 3,868,601 km (0.058 R)
• M7: 5,856,009 km (0.091 R)
• M8: 6,343,099 km (0.094 R)
• M9: 6,725,920 km (0.119 R)
• M10: 7,822,622 km (0.077 R)
• M11: 10,124,933 km (0.043 R)
• M12: 10,827,146 km (0.026 R)
• M13: 11,712,316 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 14.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.82 AU - 2.82 AU

Year: 2439 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,523,542 km

• M1: 179,218 km (0.101 R)
• M2: 721,062 km (0.108 R)
• M3: 1,218,923 km (0.116 R)
• M4: 2,099,457 km (0.1 R)
• M5: 2,849,241 km (0.072 R)
• M6: 4,161,962 km (0.114 R)
• M7: 4,709,042 km (0.079 R)
• M8: 5,923,627 km (0.108 R)
• M9: 6,900,202 km (0.118 R)
• M10: 7,578,628 km (0.097 R)
• M11: 8,301,335 km (0.055 R)
• M12: 8,763,593 km (0.093 R)
• M13: 9,560,202 km (0.086 R)
• M14: 10,031,584 km (0.083 R)
• M15: 10,671,564 km (0.111 R)
• M16: 11,378,713 km (0.067 R)
• M17: 13,150,700 km (0.117 R)
• M18: 13,917,838 km (0.118 R)
• M19: 14,477,334 km (0.056 R)
• M20: 15,443,138 km (0.031 R)
• M21: 15,891,483 km (0.078 R)
• M22: 16,399,966 km (0.071 R)
• M23: 18,767,651 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 12

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.5 AU - 4.34 AU

Year: 5357 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,523,542 km

• M1: 150,196 km (0.115 R)
• M2: 541,843 km (0.102 R)
• M3: 1,698,534 km (0.117 R)
• M4: 2,659,102 km (0.089 R)
• M5: 3,589,900 km (0.06 R)
• M6: 6,118,403 km (0.099 R)
• M7: 6,733,251 km (0.11 R)
• M8: 7,594,037 km (0.113 R)
• M9: 8,866,666 km (0.037 R)
• M10: 9,373,952 km (0.11 R)
• M11: 10,318,962 km (0.089 R)
• M12: 11,146,687 km (0.066 R)
• M13: 13,083,381 km (0.113 R)
• M14: 21,593,854 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.9

Radius: 9

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.31 AU - 4.57 AU

Year: 5398 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,523,542 km

• M1: 132,245 km (0.04 R)
• M2: 526,585 km (0.095 R)
• M3: 901,626 km (0.098 R)
• M4: 1,331,571 km (0.065 R)
• M5: 1,964,669 km (0.087 R)
• M6: 2,326,247 km (0.093 R)
• M7: 2,804,062 km (0.119 R)
• M8: 3,979,752 km (0.114 R)
• M9: 5,201,518 km (0.115 R)
• M10: 5,513,579 km (0.119 R)
• M11: 6,301,362 km (0.118 R)
• M12: 6,623,745 km (0.044 R)
• M13: 7,059,224 km (0.097 R)
• M14: 7,657,317 km (0.085 R)
• M15: 10,128,673 km (0.107 R)
• M16: 10,752,646 km (0.107 R)
• M17: 12,028,267 km (0.114 R)
• M18: 12,475,116 km (0.098 R)
• M19: 13,401,875 km (0.104 R)
• M20: 15,392,275 km (0.107 R)
• M21: 16,217,008 km (0.065 R)
• M22: 17,133,145 km (0.057 R)
• M23: 19,607,643 km (0.1 R)
• M24: 24,534,500 km (0.114 R)
• M25: 25,415,332 km (0.065 R)
• M26: 26,399,985 km (0.088 R)
• M27: 27,752,200 km (0.1 R)
• M28: 28,884,357 km (0.059 R)
• M29: 29,238,754 km (0.075 R)
• M30: 30,137,688 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.3

Radius: 5.6

Gravity: 31.07 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.84 AU - 11.34 AU

Year: 22123 Days

Day: 23.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,523,542 km

• M1: 75,547 km (0.073 R)
• M2: 280,047 km (0.115 R)
• M3: 518,955 km (0.042 R)
• M4: 716,873 km (0.102 R)
• M5: 991,235 km (0.115 R)
• M6: 1,318,107 km (0.095 R)
• M7: 2,820,668 km (0.039 R)
• M8: 3,123,005 km (0.116 R)
• M9: 3,760,142 km (0.107 R)
• M10: 5,167,559 km (0.065 R)
• M11: 8,237,756 km (0.106 R)
• M12: 8,913,490 km (0.066 R)
• M13: 9,625,426 km (0.071 R)
• M14: 10,763,417 km (0.073 R)
• M15: 11,639,163 km (0.088 R)
• M16: 12,928,846 km (0.083 R)
• M17: 13,839,748 km (0.057 R)
• M18: 14,470,303 km (0.097 R)
• M19: 14,792,686 km (0.084 R)
• M20: 19,140,300 km (0.084 R)
• M21: 19,528,805 km (0.096 R)
• M22: 20,321,674 km (0.109 R)
• M23: 28,196,057 km (0.078 R)
• M24: 30,770,936 km (0.116 R)
• M25: 36,382,801 km (0.087 R)
• M26: 40,057,373 km (0.076 R)
• M27: 45,160,007 km (0.094 R)
• M28: 53,121,456 km (0.101 R)
• M29: 53,696,061 km (0.119 R)
• M30: 56,631,172 km (0.071 R)
• M31: 65,854,479 km (0.109 R)
• M32: 66,074,986 km (0.086 R)
• M33: 84,054,556 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 17,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit