🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.56 AU - 0.66 AU

Year: 213 Days

Day: 12.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 46 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.82 AU - 0.9 AU

Year: 356 Days

Day: 46.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.27 AU - 1.29 AU

Year: 646 Days

Day: 43.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 57.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 15

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.16 AU - 2.85 AU

Year: 1764 Days

Day: 11.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,281,940 km

• M1: 186,549 km (0.104 R)
• M2: 721,361 km (0.032 R)
• M3: 1,202,617 km (0.063 R)
• M4: 1,704,518 km (0.089 R)
• M5: 2,239,331 km (0.029 R)
• M6: 2,872,578 km (0.084 R)
• M7: 3,556,689 km (0.119 R)
• M8: 4,953,335 km (0.032 R)
• M9: 6,112,120 km (0.026 R)
• M10: 7,141,952 km (0.053 R)
• M11: 7,813,646 km (0.1 R)
• M12: 8,375,237 km (0.075 R)
• M13: 9,219,418 km (0.053 R)
• M14: 11,636,470 km (0.09 R)
• M15: 12,890,101 km (0.107 R)
• M16: 14,362,592 km (0.1 R)
• M17: 15,207,671 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 13.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.15 AU - 3.33 AU

Year: 2024 Days

Day: 14.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,281,940 km

• M1: 167,699 km (0.115 R)
• M2: 636,689 km (0.088 R)
• M3: 1,084,884 km (0.074 R)
• M4: 1,514,828 km (0.077 R)
• M5: 1,965,267 km (0.079 R)
• M6: 6,464,423 km (0.108 R)
• M7: 7,351,987 km (0.105 R)
• M8: 8,062,727 km (0.111 R)
• M9: 9,781,756 km (0.049 R)
• M10: 10,272,287 km (0.102 R)
• M11: 11,338,172 km (0.056 R)
• M12: 13,250,482 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.5

Radius: 7

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.88 AU - 13.08 AU

Year: 16235 Days

Day: 16.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,281,940 km

• M1: 87,066 km (0.096 R)
• M2: 316,250 km (0.098 R)
• M3: 550,520 km (0.119 R)
• M4: 865,573 km (0.054 R)
• M5: 1,353,113 km (0.043 R)
• M6: 1,588,131 km (0.071 R)
• M7: 1,920,537 km (0.03 R)
• M8: 2,887,389 km (0.037 R)
• M9: 3,822,824 km (0.102 R)
• M10: 4,646,959 km (0.111 R)
• M11: 4,878,686 km (0.079 R)
• M12: 5,329,873 km (0.082 R)
• M13: 6,517,830 km (0.029 R)
• M14: 7,195,807 km (0.079 R)
• M15: 7,734,360 km (0.117 R)
• M16: 9,511,732 km (0.086 R)
• M17: 10,495,338 km (0.081 R)
• M18: 11,848,750 km (0.075 R)
• M19: 12,856,441 km (0.099 R)
• M20: 13,314,809 km (0.057 R)
• M21: 15,330,491 km (0.108 R)
• M22: 17,781,502 km (0.095 R)
• M23: 18,105,082 km (0.104 R)
• M24: 18,350,423 km (0.05 R)
• M25: 26,998,077 km (0.089 R)
• M26: 30,547,287 km (0.048 R)
• M27: 31,835,923 km (0.103 R)
• M28: 33,038,391 km (0.069 R)
• M29: 34,646,418 km (0.064 R)
• M30: 38,555,261 km (0.09 R)
• M31: 40,197,845 km (0.056 R)
• M32: 41,744,089 km (0.087 R)
• M33: 43,621,991 km (0.115 R)
• M34: 49,432,971 km (0.112 R)
• M35: 52,357,310 km (0.12 R)
• M36: 55,566,932 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.9

Radius: 7.2

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 9.01 AU - 13.09 AU

Year: 16391 Days

Day: 16.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,281,940 km

• M1: 89,609 km (0.06 R)
• M2: 449,691 km (0.115 R)
• M3: 899,233 km (0.093 R)
• M4: 1,757,177 km (0.088 R)
• M5: 2,173,956 km (0.096 R)
• M6: 3,592,742 km (0.118 R)
• M7: 3,919,165 km (0.064 R)
• M8: 6,920,397 km (0.055 R)
• M9: 10,936,801 km (0.104 R)
• M10: 11,880,464 km (0.109 R)
• M11: 12,606,164 km (0.056 R)
• M12: 15,418,305 km (0.088 R)
• M13: 16,847,114 km (0.097 R)
• M14: 17,176,229 km (0.115 R)
• M15: 22,443,271 km (0.068 R)
• M16: 23,755,992 km (0.093 R)
• M17: 25,333,203 km (0.108 R)
• M18: 30,603,984 km (0.091 R)
• M19: 33,753,917 km (0.062 R)
• M20: 35,339,804 km (0.111 R)
• M21: 55,277,909 km (0.089 R)
• M22: 57,107,192 km (0.065 R)
• M23: 66,247,622 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.9

Radius: 4.3

Gravity: 23.14 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 10.94 AU - 17.88 AU

Year: 24409 Days

Day: 23.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,281,940 km

• M1: 53,706 km (0.113 R)
• M2: 546,631 km (0.112 R)
• M3: 1,158,486 km (0.048 R)
• M4: 1,373,159 km (0.102 R)
• M5: 1,665,473 km (0.054 R)
• M6: 2,097,961 km (0.083 R)
• M7: 3,154,869 km (0.091 R)
• M8: 5,552,923 km (0.063 R)
• M9: 5,914,053 km (0.105 R)
• M10: 7,184,737 km (0.064 R)
• M11: 8,008,722 km (0.059 R)
• M12: 9,443,814 km (0.086 R)
• M13: 11,230,013 km (0.05 R)
• M14: 12,949,940 km (0.12 R)
• M15: 13,089,215 km (0.109 R)
• M16: 14,164,974 km (0.096 R)
• M17: 18,437,938 km (0.048 R)
• M18: 21,588,469 km (0.116 R)
• M19: 24,121,460 km (0.075 R)
• M20: 25,842,583 km (0.111 R)
• M21: 26,733,139 km (0.088 R)
• M22: 29,768,331 km (0.084 R)
• M23: 30,132,602 km (0.056 R)
• M24: 30,500,014 km (0.086 R)
• M25: 33,285,377 km (0.11 R)
• M26: 35,008,445 km (0.101 R)
• M27: 42,803,840 km (0.061 R)
• M28: 44,206,320 km (0.119 R)
• M29: 53,626,648 km (0.089 R)
• M30: 55,805,690 km (0.114 R)
• M31: 56,174,449 km (0.095 R)
• M32: 61,313,734 km (0.095 R)
• M33: 65,726,124 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 10,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit