🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.4

Radius: 11.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 12.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,621,506 km

• M1: 141,520 km (0.11 R)
• M2: 492,177 km (0.099 R)
• M3: 903,721 km (0.107 R)
• M4: 1,619,547 km (0.045 R)
• M5: 1,977,534 km (0.054 R)
• M6: 2,356,017 km (0.118 R)
• M7: 3,149,783 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.3

Radius: 13.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.15 AU - 1.45 AU

Year: 1023 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,621,506 km

• M1: 163,361 km (0.106 R)
• M2: 642,972 km (0.093 R)
• M3: 1,171,351 km (0.109 R)
• M4: 1,599,650 km (0.069 R)
• M5: 2,250,102 km (0.114 R)
• M6: 2,704,879 km (0.117 R)
• M7: 3,339,623 km (0.036 R)
• M8: 3,816,690 km (0.056 R)
• M9: 4,846,971 km (0.052 R)
• M10: 5,597,354 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 12.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.75 AU - 2.79 AU

Year: 2361 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,621,506 km

• M1: 154,385 km (0.116 R)
• M2: 762,052 km (0.094 R)
• M3: 1,231,938 km (0.108 R)
• M4: 1,735,784 km (0.12 R)
• M5: 2,172,759 km (0.072 R)
• M6: 2,578,020 km (0.076 R)
• M7: 3,067,804 km (0.085 R)
• M8: 3,489,370 km (0.089 R)
• M9: 4,537,902 km (0.049 R)
• M10: 5,970,301 km (0.082 R)
• M11: 6,893,021 km (0.063 R)
• M12: 7,496,948 km (0.118 R)
• M13: 8,570,761 km (0.034 R)
• M14: 9,560,052 km (0.115 R)
• M15: 10,389,423 km (0.098 R)
• M16: 12,540,790 km (0.096 R)
• M17: 13,212,933 km (0.119 R)
• M18: 14,532,087 km (0.095 R)
• M19: 16,886,907 km (0.087 R)
• M20: 17,651,502 km (0.11 R)
• M21: 18,155,198 km (0.101 R)
• M22: 18,668,468 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 10.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.49 AU - 3.93 AU

Year: 4933 Days

Day: 14.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,621,506 km

• M1: 135,685 km (0.082 R)
• M2: 595,100 km (0.119 R)
• M3: 951,442 km (0.088 R)
• M4: 1,500,467 km (0.109 R)
• M5: 1,928,017 km (0.118 R)
• M6: 3,164,444 km (0.067 R)
• M7: 3,641,811 km (0.104 R)
• M8: 4,424,207 km (0.042 R)
• M9: 6,051,234 km (0.035 R)
• M10: 8,117,180 km (0.082 R)
• M11: 9,489,143 km (0.077 R)
• M12: 10,400,493 km (0.051 R)
• M13: 12,396,727 km (0.072 R)
• M14: 12,736,464 km (0.104 R)
• M15: 14,744,217 km (0.068 R)
• M16: 21,952,291 km (0.108 R)
• M17: 22,307,137 km (0.083 R)
• M18: 22,665,873 km (0.104 R)
• M19: 25,286,079 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 14.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.85 AU - 4.93 AU

Year: 6349 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,621,506 km

• M1: 184,604 km (0.087 R)
• M2: 1,475,185 km (0.03 R)
• M3: 2,259,227 km (0.052 R)
• M4: 3,256,297 km (0.104 R)
• M5: 3,816,990 km (0.094 R)
• M6: 4,464,150 km (0.04 R)
• M7: 6,393,813 km (0.095 R)
• M8: 7,752,610 km (0.114 R)
• M9: 8,313,453 km (0.088 R)
• M10: 10,434,152 km (0.095 R)
• M11: 11,705,435 km (0.074 R)
• M12: 15,462,436 km (0.113 R)
• M13: 16,893,938 km (0.079 R)
• M14: 19,293,937 km (0.11 R)
• M15: 20,142,157 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.6

Radius: 7.6

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.65 AU - 6.29 AU

Year: 10069 Days

Day: 18.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,621,506 km

• M1: 94,546 km (0.1 R)
• M2: 607,816 km (0.114 R)
• M3: 885,320 km (0.07 R)
• M4: 1,260,661 km (0.037 R)
• M5: 1,514,529 km (0.088 R)
• M6: 2,940,795 km (0.108 R)
• M7: 3,443,444 km (0.051 R)
• M8: 4,259,351 km (0.085 R)
• M9: 4,497,211 km (0.109 R)
• M10: 5,680,381 km (0.078 R)
• M11: 7,958,308 km (0.118 R)
• M12: 8,836,447 km (0.093 R)
• M13: 9,175,735 km (0.11 R)
• M14: 9,777,567 km (0.062 R)
• M15: 10,193,300 km (0.095 R)
• M16: 14,085,238 km (0.108 R)
• M17: 14,750,200 km (0.111 R)
• M18: 19,268,206 km (0.1 R)
• M19: 19,674,962 km (0.066 R)
• M20: 21,359,584 km (0.057 R)
• M21: 24,725,835 km (0.095 R)
• M22: 28,116,471 km (0.11 R)
• M23: 29,706,248 km (0.114 R)
• M24: 30,358,644 km (0.069 R)
• M25: 31,020,465 km (0.084 R)
• M26: 31,355,115 km (0.071 R)
• M27: 32,602,313 km (0.116 R)
• M28: 34,000,305 km (0.085 R)
• M29: 34,355,899 km (0.101 R)
• M30: 35,437,791 km (0.093 R)
• M31: 35,925,929 km (0.12 R)
• M32: 39,078,255 km (0.098 R)
• M33: 39,338,256 km (0.092 R)
• M34: 51,325,833 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.9

Radius: 5.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.84 AU - 8.22 AU

Year: 15707 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,621,506 km

• M1: 78,090 km (0.12 R)
• M2: 464,053 km (0.077 R)
• M3: 648,656 km (0.087 R)
• M4: 1,735,036 km (0.113 R)
• M5: 2,350,631 km (0.099 R)
• M6: 2,630,230 km (0.107 R)
• M7: 3,508,668 km (0.119 R)
• M8: 7,690,527 km (0.095 R)
• M9: 8,307,170 km (0.116 R)
• M10: 9,591,767 km (0.109 R)
• M11: 11,003,522 km (0.077 R)
• M12: 11,364,053 km (0.088 R)
• M13: 12,492,769 km (0.074 R)
• M14: 13,931,751 km (0.076 R)
• M15: 14,784,010 km (0.082 R)
• M16: 16,126,800 km (0.074 R)
• M17: 18,326,188 km (0.098 R)
• M18: 20,485,184 km (0.118 R)
• M19: 22,313,719 km (0.097 R)
• M20: 24,075,683 km (0.096 R)
• M21: 26,018,959 km (0.109 R)
• M22: 27,215,144 km (0.105 R)
• M23: 30,616,850 km (0.09 R)
• M24: 34,291,572 km (0.099 R)
• M25: 34,619,640 km (0.104 R)
• M26: 35,060,206 km (0.081 R)
• M27: 40,765,121 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.7

Radius: 6.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.67 AU - 10.75 AU

Year: 19293 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 128.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,621,506 km

• M1: 82,129 km (0.084 R)
• M2: 520,301 km (0.12 R)
• M3: 837,299 km (0.091 R)
• M4: 1,063,641 km (0.054 R)
• M5: 1,425,518 km (0.091 R)
• M6: 1,968,708 km (0.102 R)
• M7: 3,719,751 km (0.096 R)
• M8: 4,678,374 km (0.104 R)
• M9: 6,049,289 km (0.111 R)
• M10: 6,907,981 km (0.113 R)
• M11: 7,409,283 km (0.103 R)
• M12: 10,501,172 km (0.088 R)
• M13: 10,884,292 km (0.034 R)
• M14: 22,754,285 km (0.048 R)
• M15: 24,811,256 km (0.082 R)
• M16: 35,858,460 km (0.116 R)
• M17: 42,925,015 km (0.112 R)
• M18: 43,342,841 km (0.106 R)
• M19: 46,051,760 km (0.115 R)
• M20: 47,522,008 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.2

Radius: 4.8

Gravity: 26.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.85 AU - 13.03 AU

Year: 23284 Days

Day: 24.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,621,506 km

• M1: 59,690 km (0.116 R)
• M2: 220,806 km (0.095 R)
• M3: 383,569 km (0.032 R)
• M4: 1,847,235 km (0.041 R)
• M5: 2,086,142 km (0.087 R)
• M6: 4,445,450 km (0.115 R)
• M7: 5,100,539 km (0.085 R)
• M8: 5,491,139 km (0.081 R)
• M9: 7,548,709 km (0.111 R)
• M10: 13,172,841 km (0.072 R)
• M11: 13,390,206 km (0.116 R)
• M12: 14,131,912 km (0.105 R)
• M13: 14,979,235 km (0.067 R)
• M14: 16,437,664 km (0.073 R)
• M15: 19,633,823 km (0.041 R)
• M16: 21,178,421 km (0.057 R)
• M17: 26,987,905 km (0.093 R)
• M18: 32,048,053 km (0.027 R)
• M19: 40,082,206 km (0.118 R)
• M20: 44,154,709 km (0.053 R)
• M21: 52,744,918 km (0.116 R)
• M22: 74,041,970 km (0.114 R)
• M23: 76,582,292 km (0.076 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 15,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit