🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.8

Radius: 8.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.67 AU - 0.74 AU

Year: 391 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,853,762 km

• M1: 105,018 km (0.098 R)
• M2: 592,707 km (0.055 R)
• M3: 922,720 km (0.054 R)
• M4: 1,207,704 km (0.051 R)
• M5: 1,510,639 km (0.051 R)
• M6: 1,898,846 km (0.047 R)
• M7: 2,384,440 km (0.077 R)
• M8: 2,670,172 km (0.095 R)
• M9: 3,035,640 km (0.038 R)
• M10: 3,301,027 km (0.091 R)
• M11: 3,581,822 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 11.5

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.55 AU - 1.89 AU

Year: 1504 Days

Day: 14.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,853,762 km

• M1: 143,165 km (0.079 R)
• M2: 550,371 km (0.116 R)
• M3: 963,560 km (0.093 R)
• M4: 1,322,445 km (0.071 R)
• M5: 1,753,137 km (0.093 R)
• M6: 2,437,099 km (0.111 R)
• M7: 2,948,125 km (0.086 R)
• M8: 3,814,447 km (0.118 R)
• M9: 4,187,244 km (0.097 R)
• M10: 4,623,621 km (0.101 R)
• M11: 5,006,891 km (0.096 R)
• M12: 5,746,204 km (0.07 R)
• M13: 6,383,940 km (0.103 R)
• M14: 7,496,648 km (0.118 R)
• M15: 8,948,047 km (0.093 R)
• M16: 10,407,374 km (0.097 R)
• M17: 10,787,054 km (0.056 R)
• M18: 11,869,993 km (0.102 R)
• M19: 12,361,122 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 14.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.42 AU - 2.2 AU

Year: 1624 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,853,762 km

• M1: 175,927 km (0.094 R)
• M2: 694,284 km (0.085 R)
• M3: 1,521,111 km (0.049 R)
• M4: 1,986,211 km (0.078 R)
• M5: 2,432,162 km (0.111 R)
• M6: 2,888,585 km (0.116 R)
• M7: 3,960,005 km (0.111 R)
• M8: 6,057,068 km (0.073 R)
• M9: 6,776,933 km (0.079 R)
• M10: 7,415,417 km (0.086 R)
• M11: 7,891,736 km (0.039 R)
• M12: 8,599,035 km (0.111 R)
• M13: 9,252,329 km (0.074 R)
• M14: 9,772,182 km (0.045 R)
• M15: 10,658,549 km (0.099 R)
• M16: 12,241,444 km (0.089 R)
• M17: 12,828,915 km (0.051 R)
• M18: 13,724,707 km (0.079 R)
• M19: 14,661,639 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.7

Radius: 5

Gravity: 35.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.87 AU - 9.89 AU

Year: 16177 Days

Day: 21.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,853,762 km

• M1: 69,114 km (0.077 R)
• M2: 367,263 km (0.079 R)
• M3: 717,322 km (0.073 R)
• M4: 1,196,933 km (0.072 R)
• M5: 2,241,724 km (0.057 R)
• M6: 3,438,357 km (0.115 R)
• M7: 4,759,157 km (0.051 R)
• M8: 6,911,571 km (0.111 R)
• M9: 8,872,051 km (0.094 R)
• M10: 18,263,806 km (0.118 R)
• M11: 18,962,727 km (0.067 R)
• M12: 19,318,770 km (0.095 R)
• M13: 19,952,616 km (0.057 R)
• M14: 20,228,325 km (0.044 R)
• M15: 20,506,727 km (0.064 R)
• M16: 22,826,391 km (0.106 R)
• M17: 24,466,433 km (0.117 R)
• M18: 24,782,533 km (0.101 R)
• M19: 29,497,409 km (0.089 R)
• M20: 32,569,700 km (0.03 R)
• M21: 34,380,134 km (0.093 R)
• M22: 35,713,500 km (0.089 R)
• M23: 43,206,857 km (0.072 R)
• M24: 49,636,573 km (0.115 R)
• M25: 62,370,344 km (0.113 R)
• M26: 65,355,869 km (0.028 R)
• M27: 70,754,108 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.3

Radius: 5.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.54 AU - 11.08 AU

Year: 20490 Days

Day: 17.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,853,762 km

• M1: 373,396 km (0.06 R)
• M2: 752,776 km (0.112 R)
• M3: 1,072,916 km (0.079 R)
• M4: 2,971,163 km (0.103 R)
• M5: 5,922,281 km (0.093 R)
• M6: 6,167,471 km (0.039 R)
• M7: 13,077,397 km (0.085 R)
• M8: 17,791,076 km (0.108 R)
• M9: 19,201,036 km (0.086 R)
• M10: 23,699,893 km (0.038 R)
• M11: 31,004,009 km (0.071 R)
• M12: 31,637,406 km (0.034 R)
• M13: 37,492,817 km (0.091 R)
• M14: 44,429,820 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272

Radius: 6.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.5 AU - 12.12 AU

Year: 20490 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,853,762 km

• M1: 102,026 km (0.073 R)
• M2: 448,494 km (0.085 R)
• M3: 1,355,955 km (0.043 R)
• M4: 1,790,387 km (0.087 R)
• M5: 2,434,107 km (0.103 R)
• M6: 2,820,369 km (0.04 R)
• M7: 3,100,117 km (0.084 R)
• M8: 3,554,445 km (0.112 R)
• M9: 4,348,212 km (0.089 R)
• M10: 4,786,982 km (0.07 R)
• M11: 6,320,510 km (0.049 R)
• M12: 6,883,447 km (0.057 R)
• M13: 9,525,345 km (0.111 R)
• M14: 10,319,112 km (0.046 R)
• M15: 11,271,152 km (0.08 R)
• M16: 14,273,881 km (0.081 R)
• M17: 20,827,464 km (0.075 R)
• M18: 22,070,024 km (0.118 R)
• M19: 23,644,392 km (0.041 R)
• M20: 26,194,737 km (0.09 R)
• M21: 26,500,216 km (0.112 R)
• M22: 29,358,582 km (0.105 R)
• M23: 31,489,005 km (0.067 R)
• M24: 33,004,581 km (0.099 R)
• M25: 33,361,073 km (0.075 R)
• M26: 43,558,412 km (0.11 R)
• M27: 49,980,349 km (0.101 R)
• M28: 53,334,034 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.1

Radius: 5.7

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.39 AU - 11.53 AU

Year: 20961 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,853,762 km

• M1: 71,059 km (0.108 R)
• M2: 267,780 km (0.111 R)
• M3: 557,701 km (0.114 R)
• M4: 907,760 km (0.076 R)
• M5: 1,501,364 km (0.105 R)
• M6: 1,783,356 km (0.044 R)
• M7: 2,846,548 km (0.032 R)
• M8: 3,306,861 km (0.089 R)
• M9: 4,472,976 km (0.028 R)
• M10: 6,338,761 km (0.072 R)
• M11: 6,853,677 km (0.119 R)
• M12: 7,677,662 km (0.028 R)
• M13: 8,413,384 km (0.1 R)
• M14: 9,742,262 km (0.055 R)
• M15: 11,577,230 km (0.099 R)
• M16: 12,021,236 km (0.077 R)
• M17: 13,700,622 km (0.066 R)
• M18: 14,197,436 km (0.025 R)
• M19: 15,302,516 km (0.058 R)
• M20: 22,666,621 km (0.107 R)
• M21: 25,318,392 km (0.111 R)
• M22: 29,438,318 km (0.037 R)
• M23: 30,264,846 km (0.107 R)
• M24: 37,032,654 km (0.059 R)
• M25: 37,718,710 km (0.104 R)
• M26: 44,588,244 km (0.119 R)
• M27: 45,677,765 km (0.046 R)
• M28: 46,625,617 km (0.108 R)
• M29: 47,425,517 km (0.102 R)
• M30: 54,686,100 km (0.034 R)
• M31: 63,626,966 km (0.102 R)
• M32: 64,216,083 km (0.092 R)
• M33: 68,647,621 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 18,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit