🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.14 AU - 1.2 AU

Year: 482 Days

Day: 38.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.4 AU - 1.76 AU

Year: 756 Days

Day: 46.1 Hours

Environment

Temp: -48 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.5

Radius: 10.9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.94 AU - 6.08 AU

Year: 4925 Days

Day: 10.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,834,222 km

• M1: 135,685 km (0.11 R)
• M2: 588,817 km (0.118 R)
• M3: 1,158,785 km (0.073 R)
• M4: 1,709,305 km (0.111 R)
• M5: 2,075,222 km (0.094 R)
• M6: 2,895,168 km (0.111 R)
• M7: 3,483,237 km (0.101 R)
• M8: 3,850,948 km (0.105 R)
• M9: 4,341,031 km (0.112 R)
• M10: 4,767,983 km (0.081 R)
• M11: 6,408,474 km (0.057 R)
• M12: 7,479,894 km (0.053 R)
• M13: 8,473,373 km (0.065 R)
• M14: 8,902,569 km (0.106 R)
• M15: 11,223,879 km (0.105 R)
• M16: 12,826,521 km (0.078 R)
• M17: 13,762,256 km (0.106 R)
• M18: 16,181,702 km (0.096 R)
• M19: 19,808,404 km (0.045 R)
• M20: 22,879,349 km (0.083 R)
• M21: 23,407,728 km (0.064 R)
• M22: 26,418,984 km (0.107 R)
• M23: 28,622,261 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 11.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.52 AU - 6.84 AU

Year: 5155 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,834,222 km

• M1: 147,952 km (0.103 R)
• M2: 938,577 km (0.099 R)
• M3: 1,821,055 km (0.084 R)
• M4: 2,261,920 km (0.099 R)
• M5: 4,209,684 km (0.06 R)
• M6: 4,989,987 km (0.057 R)
• M7: 5,481,715 km (0.073 R)
• M8: 5,948,759 km (0.09 R)
• M9: 7,479,146 km (0.114 R)
• M10: 10,368,329 km (0.061 R)
• M11: 14,647,876 km (0.111 R)
• M12: 16,043,324 km (0.096 R)
• M13: 17,466,748 km (0.09 R)
• M14: 19,981,040 km (0.033 R)
• M15: 20,368,348 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.9

Radius: 12.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.06 AU - 7.66 AU

Year: 6108 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,834,222 km

• M1: 171,140 km (0.115 R)
• M2: 601,383 km (0.06 R)
• M3: 1,825,692 km (0.085 R)
• M4: 2,952,464 km (0.101 R)
• M5: 3,366,850 km (0.101 R)
• M6: 3,819,982 km (0.099 R)
• M7: 4,237,210 km (0.06 R)
• M8: 5,431,151 km (0.093 R)
• M9: 5,864,835 km (0.102 R)
• M10: 7,051,595 km (0.115 R)
• M11: 8,805,031 km (0.082 R)
• M12: 10,640,897 km (0.114 R)
• M13: 12,033,354 km (0.078 R)
• M14: 14,403,283 km (0.099 R)
• M15: 18,003,805 km (0.082 R)
• M16: 19,829,796 km (0.071 R)
• M17: 20,489,822 km (0.102 R)
• M18: 21,088,662 km (0.08 R)
• M19: 25,785,587 km (0.04 R)
• M20: 28,840,674 km (0.078 R)
• M21: 30,358,644 km (0.08 R)
• M22: 35,231,795 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 11.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.23 AU - 10.47 AU

Year: 11772 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,834,222 km

• M1: 144,661 km (0.055 R)
• M2: 526,285 km (0.072 R)
• M3: 890,407 km (0.113 R)
• M4: 1,646,773 km (0.118 R)
• M5: 3,178,207 km (0.063 R)
• M6: 4,411,342 km (0.101 R)
• M7: 4,906,511 km (0.085 R)
• M8: 6,582,007 km (0.087 R)
• M9: 7,349,145 km (0.096 R)
• M10: 7,837,432 km (0.087 R)
• M11: 8,610,554 km (0.099 R)
• M12: 10,258,674 km (0.046 R)
• M13: 11,721,442 km (0.071 R)
• M14: 12,848,363 km (0.102 R)
• M15: 13,378,388 km (0.117 R)
• M16: 17,151,994 km (0.067 R)
• M17: 20,849,605 km (0.077 R)
• M18: 22,331,970 km (0.109 R)
• M19: 34,392,850 km (0.086 R)
• M20: 35,992,649 km (0.042 R)
• M21: 40,333,381 km (0.064 R)
• M22: 40,710,218 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.5

Radius: 4.8

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 15.24 AU - 16.52 AU

Year: 24098 Days

Day: 20.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,834,222 km

• M1: 64,925 km (0.112 R)
• M2: 357,988 km (0.089 R)
• M3: 1,066,483 km (0.025 R)
• M4: 1,281,605 km (0.103 R)
• M5: 1,782,459 km (0.028 R)
• M6: 2,662,992 km (0.101 R)
• M7: 2,916,261 km (0.088 R)
• M8: 3,551,902 km (0.068 R)
• M9: 3,859,027 km (0.095 R)
• M10: 4,033,907 km (0.107 R)
• M11: 7,203,287 km (0.115 R)
• M12: 9,048,427 km (0.111 R)
• M13: 10,780,322 km (0.058 R)
• M14: 12,153,630 km (0.043 R)
• M15: 12,785,532 km (0.039 R)
• M16: 18,983,970 km (0.035 R)
• M17: 23,102,998 km (0.072 R)
• M18: 25,268,128 km (0.084 R)
• M19: 26,819,607 km (0.087 R)
• M20: 27,564,754 km (0.114 R)
• M21: 31,971,459 km (0.055 R)
• M22: 35,409,666 km (0.063 R)
• M23: 36,048,449 km (0.114 R)
• M24: 52,945,529 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365

Radius: 3.6

Gravity: 28.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 16.09 AU - 22.03 AU

Year: 31687 Days

Day: 20.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 83,834,222 km

• M1: 45,478 km (0.096 R)
• M2: 172,187 km (0.076 R)
• M3: 486,193 km (0.114 R)
• M4: 865,872 km (0.113 R)
• M5: 1,639,593 km (0.077 R)
• M6: 1,864,438 km (0.111 R)
• M7: 2,174,106 km (0.1 R)
• M8: 2,492,899 km (0.066 R)
• M9: 2,663,740 km (0.088 R)
• M10: 3,055,985 km (0.09 R)
• M11: 3,396,470 km (0.063 R)
• M12: 4,220,455 km (0.093 R)
• M13: 4,752,276 km (0.119 R)
• M14: 4,901,275 km (0.066 R)
• M15: 5,053,416 km (0.12 R)
• M16: 5,904,478 km (0.111 R)
• M17: 6,033,432 km (0.097 R)
• M18: 6,614,021 km (0.112 R)
• M19: 6,894,218 km (0.027 R)
• M20: 7,329,248 km (0.062 R)
• M21: 7,885,453 km (0.092 R)
• M22: 8,094,591 km (0.032 R)
• M23: 8,415,179 km (0.117 R)
• M24: 9,427,508 km (0.119 R)
• M25: 10,771,795 km (0.111 R)
• M26: 11,225,076 km (0.071 R)
• M27: 11,758,393 km (0.111 R)
• M28: 15,399,156 km (0.112 R)
• M29: 17,873,206 km (0.11 R)
• M30: 22,009,736 km (0.11 R)
• M31: 22,528,542 km (0.038 R)
• M32: 33,998,210 km (0.12 R)
• M33: 36,826,358 km (0.093 R)
• M34: 37,117,476 km (0.104 R)
• M35: 38,297,354 km (0.115 R)
• M36: 39,502,215 km (0.117 R)
• M37: 43,267,594 km (0.092 R)
• M38: 46,412,889 km (0.041 R)
• M39: 52,415,354 km (0.045 R)
• M40: 54,086,661 km (0.083 R)
• M41: 58,716,416 km (0.097 R)
• M42: 69,195,747 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 10,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit