🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 12.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.49 AU - 0.69 AU

Year: 319 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,221,639 km

• M1: 159,172 km (0.105 R)
• M2: 614,398 km (0.084 R)
• M3: 1,129,464 km (0.096 R)
• M4: 1,645,128 km (0.08 R)
• M5: 2,127,282 km (0.048 R)
• M6: 2,554,982 km (0.086 R)
• M7: 3,416,965 km (0.064 R)
• M8: 3,947,140 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 9.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.77 AU - 0.81 AU

Year: 494 Days

Day: 14 Hours

Environment

Temp: -170 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,221,639 km

• M1: 120,725 km (0.112 R)
• M2: 842,086 km (0.097 R)
• M3: 1,158,785 km (0.071 R)
• M4: 1,647,222 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 13.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.03 AU - 1.71 AU

Year: 1127 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,221,639 km

• M1: 169,195 km (0.051 R)
• M2: 678,127 km (0.102 R)
• M3: 1,118,992 km (0.096 R)
• M4: 2,246,960 km (0.093 R)
• M5: 2,744,223 km (0.11 R)
• M6: 4,383,517 km (0.092 R)
• M7: 4,890,205 km (0.112 R)
• M8: 5,435,938 km (0.063 R)
• M9: 6,089,980 km (0.083 R)
• M10: 6,747,313 km (0.116 R)
• M11: 7,399,709 km (0.044 R)
• M12: 8,148,895 km (0.075 R)
• M13: 9,036,908 km (0.097 R)
• M14: 12,199,706 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 12

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.73 AU - 1.95 AU

Year: 1754 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,221,639 km

• M1: 149,299 km (0.087 R)
• M2: 533,765 km (0.099 R)
• M3: 943,813 km (0.088 R)
• M4: 1,564,495 km (0.106 R)
• M5: 2,838,021 km (0.056 R)
• M6: 3,515,101 km (0.078 R)
• M7: 3,964,044 km (0.119 R)
• M8: 4,832,460 km (0.087 R)
• M9: 5,411,853 km (0.12 R)
• M10: 6,607,439 km (0.116 R)
• M11: 8,295,352 km (0.042 R)
• M12: 9,320,247 km (0.101 R)
• M13: 10,015,278 km (0.099 R)
• M14: 10,959,241 km (0.098 R)
• M15: 11,508,863 km (0.077 R)
• M16: 13,268,733 km (0.043 R)
• M17: 13,808,931 km (0.119 R)
• M18: 14,191,452 km (0.06 R)
• M19: 14,668,670 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.6

Radius: 9.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.21 AU - 2.89 AU

Year: 2862 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,221,639 km

• M1: 118,182 km (0.072 R)
• M2: 505,940 km (0.035 R)
• M3: 1,089,072 km (0.086 R)
• M4: 1,752,988 km (0.114 R)
• M5: 2,302,760 km (0.041 R)
• M6: 3,493,110 km (0.119 R)
• M7: 4,176,773 km (0.099 R)
• M8: 4,822,587 km (0.105 R)
• M9: 5,973,742 km (0.027 R)
• M10: 6,512,444 km (0.113 R)
• M11: 7,109,938 km (0.083 R)
• M12: 8,265,282 km (0.026 R)
• M13: 10,415,752 km (0.077 R)
• M14: 11,564,215 km (0.113 R)
• M15: 12,954,876 km (0.025 R)
• M16: 13,319,297 km (0.116 R)
• M17: 13,815,962 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 14.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.22 AU - 3.52 AU

Year: 3418 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,221,639 km

• M1: 177,124 km (0.097 R)
• M2: 630,256 km (0.077 R)
• M3: 1,330,523 km (0.109 R)
• M4: 2,091,229 km (0.111 R)
• M5: 2,557,076 km (0.086 R)
• M6: 3,388,691 km (0.114 R)
• M7: 4,417,476 km (0.119 R)
• M8: 5,017,812 km (0.064 R)
• M9: 5,563,994 km (0.081 R)
• M10: 6,472,801 km (0.081 R)
• M11: 8,513,465 km (0.101 R)
• M12: 9,720,720 km (0.091 R)
• M13: 13,978,874 km (0.096 R)
• M14: 14,489,451 km (0.048 R)
• M15: 15,656,614 km (0.101 R)
• M16: 16,263,233 km (0.107 R)
• M17: 17,700,420 km (0.101 R)
• M18: 23,939,998 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.6

Radius: 5.2

Gravity: 36.08 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.91 AU - 6.13 AU

Year: 9116 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,221,639 km

• M1: 64,626 km (0.118 R)
• M2: 331,509 km (0.117 R)
• M3: 603,927 km (0.056 R)
• M4: 791,223 km (0.091 R)
• M5: 1,391,260 km (0.082 R)
• M6: 1,647,372 km (0.09 R)
• M7: 2,108,133 km (0.04 R)
• M8: 2,954,408 km (0.066 R)
• M9: 4,290,617 km (0.062 R)
• M10: 4,557,200 km (0.095 R)
• M11: 5,156,190 km (0.116 R)
• M12: 5,629,966 km (0.066 R)
• M13: 5,806,043 km (0.089 R)
• M14: 6,586,345 km (0.118 R)
• M15: 8,261,991 km (0.094 R)
• M16: 8,489,679 km (0.101 R)
• M17: 10,359,503 km (0.088 R)
• M18: 13,652,900 km (0.091 R)
• M19: 14,035,721 km (0.086 R)
• M20: 17,733,332 km (0.119 R)
• M21: 18,036,118 km (0.078 R)
• M22: 19,044,407 km (0.084 R)
• M23: 22,735,585 km (0.093 R)
• M24: 24,654,327 km (0.108 R)
• M25: 28,706,485 km (0.099 R)
• M26: 29,545,729 km (0.084 R)
• M27: 29,971,485 km (0.091 R)
• M28: 30,509,289 km (0.108 R)
• M29: 34,338,845 km (0.06 R)
• M30: 38,224,650 km (0.097 R)
• M31: 39,112,064 km (0.06 R)
• M32: 39,368,176 km (0.117 R)
• M33: 42,528,580 km (0.11 R)
• M34: 44,448,071 km (0.117 R)
• M35: 46,711,636 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.9

Radius: 7.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.02 AU - 6.12 AU

Year: 9240 Days

Day: 18.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,221,639 km

• M1: 143,165 km (0.076 R)
• M2: 397,482 km (0.088 R)
• M3: 867,817 km (0.03 R)
• M4: 1,212,341 km (0.107 R)
• M5: 1,551,779 km (0.05 R)
• M6: 2,470,908 km (0.063 R)
• M7: 2,719,091 km (0.086 R)
• M8: 3,094,731 km (0.079 R)
• M9: 3,364,007 km (0.068 R)
• M10: 5,405,420 km (0.091 R)
• M11: 6,796,979 km (0.084 R)
• M12: 7,187,430 km (0.061 R)
• M13: 9,054,860 km (0.036 R)
• M14: 10,566,247 km (0.091 R)
• M15: 11,586,355 km (0.051 R)
• M16: 15,039,523 km (0.074 R)
• M17: 18,804,901 km (0.091 R)
• M18: 22,080,646 km (0.061 R)
• M19: 23,447,073 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.8

Radius: 4.8

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.34 AU - 10.3 AU

Year: 21631 Days

Day: 24.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,221,639 km

• M1: 59,839 km (0.095 R)
• M2: 389,702 km (0.082 R)
• M3: 597,045 km (0.113 R)
• M4: 909,256 km (0.051 R)
• M5: 1,396,347 km (0.098 R)
• M6: 2,408,077 km (0.051 R)
• M7: 2,584,602 km (0.117 R)
• M8: 3,601,419 km (0.073 R)
• M9: 4,756,614 km (0.048 R)
• M10: 5,474,384 km (0.049 R)
• M11: 5,859,150 km (0.111 R)
• M12: 6,725,771 km (0.106 R)
• M13: 7,440,998 km (0.117 R)
• M14: 9,778,166 km (0.065 R)
• M15: 10,753,245 km (0.119 R)
• M16: 12,173,228 km (0.088 R)
• M17: 13,096,097 km (0.114 R)
• M18: 13,644,074 km (0.074 R)
• M19: 14,566,644 km (0.085 R)
• M20: 15,606,050 km (0.107 R)
• M21: 17,831,318 km (0.111 R)
• M22: 19,193,407 km (0.026 R)
• M23: 22,219,024 km (0.028 R)
• M24: 23,895,118 km (0.115 R)
• M25: 26,727,305 km (0.053 R)
• M26: 27,830,739 km (0.116 R)
• M27: 28,393,676 km (0.113 R)
• M28: 31,809,145 km (0.092 R)
• M29: 32,548,458 km (0.099 R)
• M30: 34,705,210 km (0.072 R)
• M31: 35,226,110 km (0.114 R)
• M32: 35,488,504 km (0.107 R)
• M33: 37,498,501 km (0.073 R)
• M34: 39,160,235 km (0.116 R)
• M35: 40,581,863 km (0.074 R)
• M36: 46,298,297 km (0.041 R)
• M37: 49,020,679 km (0.103 R)
• M38: 60,978,186 km (0.115 R)
• M39: 66,019,934 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 15,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit