🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 14

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 12.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,528,630 km

• M1: 174,282 km (0.072 R)
• M2: 703,858 km (0.098 R)
• M3: 1,172,548 km (0.114 R)
• M4: 1,695,393 km (0.076 R)
• M5: 2,140,297 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 14.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.06 AU

Year: 550 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,528,630 km

• M1: 185,352 km (0.074 R)
• M2: 737,368 km (0.072 R)
• M3: 1,409,810 km (0.111 R)
• M4: 1,956,142 km (0.057 R)
• M5: 2,654,764 km (0.055 R)
• M6: 3,213,811 km (0.096 R)
• M7: 4,615,992 km (0.089 R)
• M8: 5,286,490 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 13.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.82 AU - 1.06 AU

Year: 618 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,528,630 km

• M1: 165,605 km (0.04 R)
• M2: 670,348 km (0.108 R)
• M3: 1,549,086 km (0.084 R)
• M4: 2,340,608 km (0.042 R)
• M5: 3,868,152 km (0.115 R)
• M6: 4,323,977 km (0.047 R)
• M7: 4,815,705 km (0.082 R)
• M8: 5,947,114 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 12.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.57 AU - 1.65 AU

Year: 1386 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 175.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,528,630 km

• M1: 156,779 km (0.099 R)
• M2: 590,612 km (0.092 R)
• M3: 1,329,626 km (0.08 R)
• M4: 2,450,712 km (0.077 R)
• M5: 2,899,506 km (0.081 R)
• M6: 3,743,388 km (0.082 R)
• M7: 4,685,854 km (0.078 R)
• M8: 5,940,083 km (0.093 R)
• M9: 6,436,897 km (0.103 R)
• M10: 7,379,962 km (0.065 R)
• M11: 7,787,766 km (0.071 R)
• M12: 8,648,702 km (0.037 R)
• M13: 9,164,066 km (0.037 R)
• M14: 9,764,403 km (0.101 R)
• M15: 10,559,964 km (0.068 R)
• M16: 11,326,952 km (0.09 R)
• M17: 12,018,843 km (0.115 R)
• M18: 12,971,931 km (0.056 R)
• M19: 13,446,904 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.8

Radius: 12.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.24 AU - 4.42 AU

Year: 5084 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,528,630 km

• M1: 159,322 km (0.098 R)
• M2: 698,921 km (0.079 R)
• M3: 1,306,289 km (0.075 R)
• M4: 2,766,513 km (0.081 R)
• M5: 3,232,511 km (0.043 R)
• M6: 3,635,378 km (0.084 R)
• M7: 4,521,296 km (0.113 R)
• M8: 5,546,191 km (0.084 R)
• M9: 7,136,417 km (0.078 R)
• M10: 8,286,376 km (0.111 R)
• M11: 9,083,583 km (0.118 R)
• M12: 9,482,560 km (0.099 R)
• M13: 10,355,015 km (0.095 R)
• M14: 11,074,431 km (0.06 R)
• M15: 11,826,908 km (0.065 R)
• M16: 17,132,995 km (0.053 R)
• M17: 19,603,455 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 8.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.08 AU - 6.18 AU

Year: 7881 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,528,630 km

• M1: 107,112 km (0.09 R)
• M2: 402,418 km (0.043 R)
• M3: 711,787 km (0.056 R)
• M4: 1,154,148 km (0.116 R)
• M5: 1,463,067 km (0.074 R)
• M6: 2,093,473 km (0.068 R)
• M7: 2,541,518 km (0.105 R)
• M8: 2,874,673 km (0.052 R)
• M9: 4,643,668 km (0.056 R)
• M10: 5,086,926 km (0.085 R)
• M11: 5,527,791 km (0.118 R)
• M12: 7,112,032 km (0.053 R)
• M13: 8,646,757 km (0.087 R)
• M14: 10,206,315 km (0.086 R)
• M15: 11,642,604 km (0.026 R)
• M16: 11,996,104 km (0.1 R)
• M17: 12,671,987 km (0.078 R)
• M18: 15,388,385 km (0.114 R)
• M19: 15,753,105 km (0.118 R)
• M20: 17,270,326 km (0.114 R)
• M21: 19,021,369 km (0.104 R)
• M22: 19,939,751 km (0.038 R)
• M23: 20,519,592 km (0.073 R)
• M24: 22,872,617 km (0.06 R)
• M25: 23,188,867 km (0.087 R)
• M26: 34,502,355 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.2

Radius: 3.5

Gravity: 42.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.88 AU - 10.48 AU

Year: 17345 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,528,630 km

• M1: 43,533 km (0.117 R)
• M2: 337,044 km (0.096 R)
• M3: 652,396 km (0.111 R)
• M4: 800,199 km (0.117 R)
• M5: 925,412 km (0.117 R)
• M6: 1,744,760 km (0.095 R)
• M7: 2,050,538 km (0.094 R)
• M8: 2,166,776 km (0.069 R)
• M9: 2,698,895 km (0.113 R)
• M10: 4,015,805 km (0.1 R)
• M11: 4,711,585 km (0.068 R)
• M12: 5,900,589 km (0.112 R)
• M13: 8,061,979 km (0.082 R)
• M14: 10,186,867 km (0.047 R)
• M15: 11,287,159 km (0.103 R)
• M16: 13,315,407 km (0.038 R)
• M17: 13,857,999 km (0.051 R)
• M18: 16,329,056 km (0.115 R)
• M19: 19,078,366 km (0.118 R)
• M20: 19,680,348 km (0.119 R)
• M21: 21,469,987 km (0.071 R)
• M22: 22,785,252 km (0.112 R)
• M23: 23,365,093 km (0.088 R)
• M24: 24,453,418 km (0.098 R)
• M25: 28,472,963 km (0.065 R)
• M26: 33,776,207 km (0.116 R)
• M27: 35,680,439 km (0.115 R)
• M28: 40,119,007 km (0.119 R)
• M29: 40,258,881 km (0.092 R)
• M30: 41,820,085 km (0.033 R)
• M31: 42,688,351 km (0.075 R)
• M32: 46,281,841 km (0.053 R)
• M33: 46,435,927 km (0.059 R)
• M34: 47,994,288 km (0.086 R)
• M35: 50,559,742 km (0.116 R)
• M36: 53,214,955 km (0.061 R)
• M37: 60,256,676 km (0.038 R)
• M38: 61,549,650 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.6

Radius: 5.1

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.47 AU - 10.11 AU

Year: 19205 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,528,630 km

• M1: 71,807 km (0.083 R)
• M2: 318,045 km (0.084 R)
• M3: 792,719 km (0.11 R)
• M4: 1,405,173 km (0.028 R)
• M5: 1,565,392 km (0.115 R)
• M6: 1,942,229 km (0.114 R)
• M7: 2,422,139 km (0.112 R)
• M8: 2,849,989 km (0.104 R)
• M9: 4,821,091 km (0.109 R)
• M10: 5,113,854 km (0.103 R)
• M11: 7,749,319 km (0.118 R)
• M12: 10,735,742 km (0.106 R)
• M13: 10,921,243 km (0.112 R)
• M14: 12,078,981 km (0.094 R)
• M15: 12,414,678 km (0.11 R)
• M16: 12,964,451 km (0.117 R)
• M17: 13,892,406 km (0.079 R)
• M18: 14,485,113 km (0.088 R)
• M19: 16,363,913 km (0.112 R)
• M20: 17,617,244 km (0.039 R)
• M21: 21,173,035 km (0.075 R)
• M22: 24,213,313 km (0.087 R)
• M23: 24,425,742 km (0.075 R)
• M24: 25,506,736 km (0.106 R)
• M25: 29,060,284 km (0.094 R)
• M26: 30,519,910 km (0.052 R)
• M27: 33,981,605 km (0.066 R)
• M28: 34,515,819 km (0.092 R)
• M29: 37,554,002 km (0.058 R)
• M30: 53,264,023 km (0.065 R)
• M31: 53,803,921 km (0.111 R)
• M32: 58,827,268 km (0.084 R)
• M33: 61,156,806 km (0.116 R)
• M34: 66,830,156 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 11,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit