🌌 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: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.51 AU - 0.63 AU

Year: 282 Days

Day: 32.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,479,394 km

• M1: 215,571 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.5 AU - 0.68 AU

Year: 297 Days

Day: 41.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.53 AU - 0.79 AU

Year: 352 Days

Day: 39.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,479,394 km

• M1: 22,140 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 9.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.06 AU - 2.56 AU

Year: 2303 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,479,394 km

• M1: 122,072 km (0.099 R)
• M2: 448,794 km (0.064 R)
• M3: 816,655 km (0.076 R)
• M4: 1,202,767 km (0.093 R)
• M5: 1,635,105 km (0.064 R)
• M6: 1,961,976 km (0.089 R)
• M7: 2,417,352 km (0.094 R)
• M8: 2,900,254 km (0.032 R)
• M9: 3,509,566 km (0.099 R)
• M10: 3,904,504 km (0.063 R)
• M11: 4,220,156 km (0.101 R)
• M12: 5,483,510 km (0.119 R)
• M13: 5,880,543 km (0.102 R)
• M14: 8,947,449 km (0.114 R)
• M15: 10,236,234 km (0.06 R)
• M16: 11,219,840 km (0.081 R)
• M17: 11,861,316 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.9

Radius: 6.6

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.1 AU - 6.92 AU

Year: 9665 Days

Day: 23.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,479,394 km

• M1: 82,129 km (0.069 R)
• M2: 426,952 km (0.058 R)
• M3: 771,626 km (0.076 R)
• M4: 1,042,248 km (0.074 R)
• M5: 1,257,370 km (0.035 R)
• M6: 1,541,756 km (0.085 R)
• M7: 2,293,335 km (0.098 R)
• M8: 3,134,674 km (0.092 R)
• M9: 4,166,002 km (0.057 R)
• M10: 4,546,130 km (0.098 R)
• M11: 4,949,146 km (0.074 R)
• M12: 7,369,341 km (0.117 R)
• M13: 9,032,271 km (0.116 R)
• M14: 9,530,282 km (0.106 R)
• M15: 12,853,898 km (0.118 R)
• M16: 13,367,617 km (0.091 R)
• M17: 15,306,106 km (0.108 R)
• M18: 15,883,404 km (0.03 R)
• M19: 17,842,388 km (0.12 R)
• M20: 22,070,623 km (0.098 R)
• M21: 26,370,963 km (0.082 R)
• M22: 27,480,381 km (0.101 R)
• M23: 31,198,337 km (0.059 R)
• M24: 32,753,855 km (0.079 R)
• M25: 39,494,137 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.7

Radius: 5

Gravity: 27.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.56 AU - 6.7 AU

Year: 11199 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,479,394 km

• M1: 62,382 km (0.108 R)
• M2: 641,476 km (0.087 R)
• M3: 887,115 km (0.108 R)
• M4: 1,065,586 km (0.103 R)
• M5: 3,511,810 km (0.118 R)
• M6: 3,746,379 km (0.04 R)
• M7: 5,942,775 km (0.07 R)
• M8: 6,899,903 km (0.084 R)
• M9: 8,874,146 km (0.064 R)
• M10: 14,414,952 km (0.052 R)
• M11: 15,084,552 km (0.092 R)
• M12: 15,565,359 km (0.117 R)
• M13: 18,278,317 km (0.042 R)
• M14: 23,411,917 km (0.094 R)
• M15: 27,761,475 km (0.071 R)
• M16: 30,396,193 km (0.091 R)
• M17: 31,718,040 km (0.092 R)
• M18: 34,357,844 km (0.087 R)
• M19: 34,712,690 km (0.113 R)
• M20: 36,523,273 km (0.109 R)
• M21: 43,839,357 km (0.059 R)
• M22: 46,671,992 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.1

Radius: 5.5

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.43 AU - 10.71 AU

Year: 19421 Days

Day: 18 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,479,394 km

• M1: 69,264 km (0.12 R)
• M2: 242,947 km (0.112 R)
• M3: 421,567 km (0.103 R)
• M4: 880,234 km (0.083 R)
• M5: 1,165,966 km (0.1 R)
• M6: 1,389,615 km (0.114 R)
• M7: 2,385,787 km (0.108 R)
• M8: 2,918,654 km (0.111 R)
• M9: 4,091,502 km (0.088 R)
• M10: 4,748,087 km (0.053 R)
• M11: 5,742,464 km (0.1 R)
• M12: 6,351,477 km (0.079 R)
• M13: 7,744,682 km (0.12 R)
• M14: 10,402,138 km (0.1 R)
• M15: 11,366,446 km (0.051 R)
• M16: 11,806,713 km (0.087 R)
• M17: 12,455,070 km (0.04 R)
• M18: 12,720,905 km (0.111 R)
• M19: 13,264,095 km (0.045 R)
• M20: 13,471,737 km (0.069 R)
• M21: 13,822,544 km (0.098 R)
• M22: 17,014,514 km (0.119 R)
• M23: 21,605,822 km (0.117 R)
• M24: 22,476,332 km (0.093 R)
• M25: 24,702,049 km (0.054 R)
• M26: 27,181,634 km (0.054 R)
• M27: 29,234,117 km (0.08 R)
• M28: 30,298,206 km (0.102 R)
• M29: 32,253,151 km (0.108 R)
• M30: 33,902,318 km (0.096 R)
• M31: 39,043,698 km (0.109 R)
• M32: 39,470,501 km (0.089 R)
• M33: 46,727,942 km (0.12 R)
• M34: 54,294,303 km (0.088 R)
• M35: 58,273,756 km (0.102 R)
• M36: 60,904,884 km (0.089 R)
• M37: 66,604,712 km (0.105 R)
• M38: 67,622,127 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 12,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit