🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 15

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,883,945 km

• M1: 186,848 km (0.114 R)
• M2: 668,852 km (0.118 R)
• M3: 1,311,824 km (0.098 R)
• M4: 1,804,599 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.3

Radius: 11.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,883,945 km

• M1: 145,559 km (0.119 R)
• M2: 536,907 km (0.066 R)
• M3: 1,093,112 km (0.049 R)
• M4: 1,498,971 km (0.079 R)
• M5: 2,145,383 km (0.09 R)
• M6: 2,562,312 km (0.114 R)
• M7: 2,934,811 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 14.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.26 AU - 1.4 AU

Year: 1023 Days

Day: 9.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,883,945 km

• M1: 177,423 km (0.078 R)
• M2: 1,541,606 km (0.116 R)
• M3: 2,123,392 km (0.118 R)
• M4: 2,578,918 km (0.098 R)
• M5: 3,365,802 km (0.1 R)
• M6: 5,872,764 km (0.076 R)
• M7: 6,485,816 km (0.111 R)
• M8: 7,485,429 km (0.071 R)
• M9: 9,941,377 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.1

Radius: 9.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.6 AU - 1.92 AU

Year: 1557 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,883,945 km

• M1: 116,836 km (0.088 R)
• M2: 584,778 km (0.097 R)
• M3: 1,063,940 km (0.109 R)
• M4: 1,487,452 km (0.111 R)
• M5: 1,861,446 km (0.111 R)
• M6: 2,512,047 km (0.117 R)
• M7: 3,169,680 km (0.103 R)
• M8: 4,840,090 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.5

Radius: 4.9

Gravity: 28.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.22 AU - 10.98 AU

Year: 19835 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,883,945 km

• M1: 73,602 km (0.108 R)
• M2: 278,551 km (0.053 R)
• M3: 468,241 km (0.12 R)
• M4: 848,220 km (0.095 R)
• M5: 1,059,751 km (0.111 R)
• M6: 2,281,368 km (0.094 R)
• M7: 2,574,579 km (0.097 R)
• M8: 2,917,906 km (0.06 R)
• M9: 3,100,865 km (0.08 R)
• M10: 3,518,542 km (0.093 R)
• M11: 4,638,581 km (0.066 R)
• M12: 5,071,966 km (0.114 R)
• M13: 6,060,958 km (0.104 R)
• M14: 6,802,814 km (0.098 R)
• M15: 10,141,539 km (0.086 R)
• M16: 11,503,179 km (0.057 R)
• M17: 12,160,661 km (0.108 R)
• M18: 12,773,564 km (0.116 R)
• M19: 13,335,304 km (0.058 R)
• M20: 14,134,456 km (0.12 R)
• M21: 15,748,018 km (0.034 R)
• M22: 19,889,037 km (0.092 R)
• M23: 22,008,390 km (0.063 R)
• M24: 22,917,047 km (0.095 R)
• M25: 23,955,855 km (0.102 R)
• M26: 24,917,171 km (0.118 R)
• M27: 28,072,340 km (0.097 R)
• M28: 30,730,843 km (0.09 R)
• M29: 31,737,637 km (0.054 R)
• M30: 33,552,259 km (0.098 R)
• M31: 34,083,182 km (0.066 R)
• M32: 44,942,192 km (0.106 R)
• M33: 48,060,859 km (0.093 R)
• M34: 60,990,154 km (0.106 R)
• M35: 67,927,756 km (0.118 R)
• M36: 74,245,573 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.3

Radius: 5.6

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.8 AU - 11.7 AU

Year: 21883 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,883,945 km

• M1: 69,713 km (0.093 R)
• M2: 259,702 km (0.1 R)
• M3: 589,715 km (0.085 R)
• M4: 1,145,471 km (0.114 R)
• M5: 1,607,878 km (0.076 R)
• M6: 2,767,710 km (0.062 R)
• M7: 3,388,242 km (0.051 R)
• M8: 3,564,319 km (0.112 R)
• M9: 4,263,539 km (0.099 R)
• M10: 4,539,248 km (0.095 R)
• M11: 6,450,211 km (0.097 R)
• M12: 6,721,732 km (0.09 R)
• M13: 6,953,758 km (0.062 R)
• M14: 7,682,000 km (0.08 R)
• M15: 8,247,630 km (0.093 R)
• M16: 8,460,059 km (0.12 R)
• M17: 8,676,078 km (0.075 R)
• M18: 10,664,084 km (0.072 R)
• M19: 11,108,091 km (0.041 R)
• M20: 12,306,519 km (0.115 R)
• M21: 17,351,558 km (0.115 R)
• M22: 18,412,955 km (0.078 R)
• M23: 19,516,987 km (0.087 R)
• M24: 23,728,466 km (0.11 R)
• M25: 25,592,456 km (0.098 R)
• M26: 26,733,439 km (0.066 R)
• M27: 33,755,712 km (0.026 R)
• M28: 35,685,375 km (0.092 R)
• M29: 37,687,444 km (0.098 R)
• M30: 45,944,947 km (0.098 R)
• M31: 46,613,051 km (0.097 R)
• M32: 48,311,585 km (0.091 R)
• M33: 48,656,109 km (0.067 R)
• M34: 53,838,478 km (0.099 R)
• M35: 55,707,554 km (0.037 R)
• M36: 59,179,870 km (0.116 R)
• M37: 60,368,575 km (0.118 R)
• M38: 71,345,768 km (0.065 R)
• M39: 71,792,617 km (0.071 R)
• M40: 79,198,758 km (0.105 R)
• M41: 79,437,965 km (0.088 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: 192 - 11,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit