🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 9.1

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,659,972 km

• M1: 113,246 km (0.086 R)
• M2: 417,528 km (0.069 R)
• M3: 717,172 km (0.115 R)
• M4: 1,049,728 km (0.103 R)
• M5: 1,674,150 km (0.118 R)
• M6: 2,169,020 km (0.038 R)
• M7: 2,656,858 km (0.06 R)
• M8: 3,181,947 km (0.104 R)
• M9: 3,673,226 km (0.095 R)
• M10: 4,172,883 km (0.104 R)
• M11: 5,100,839 km (0.111 R)
• M12: 5,774,927 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.3

Radius: 12

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.26 AU - 1.98 AU

Year: 1423 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,659,972 km

• M1: 150,795 km (0.087 R)
• M2: 1,059,003 km (0.118 R)
• M3: 1,539,212 km (0.084 R)
• M4: 1,993,541 km (0.078 R)
• M5: 3,018,586 km (0.094 R)
• M6: 3,755,206 km (0.083 R)
• M7: 4,199,511 km (0.061 R)
• M8: 6,188,864 km (0.115 R)
• M9: 6,606,990 km (0.101 R)
• M10: 7,281,826 km (0.071 R)
• M11: 7,748,422 km (0.067 R)
• M12: 8,878,634 km (0.082 R)
• M13: 9,966,360 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 9.3

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.27 AU - 2.33 AU

Year: 2408 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,659,972 km

• M1: 115,789 km (0.084 R)
• M2: 439,369 km (0.091 R)
• M3: 731,982 km (0.102 R)
• M4: 1,704,668 km (0.105 R)
• M5: 2,046,499 km (0.055 R)
• M6: 4,016,553 km (0.086 R)
• M7: 4,543,138 km (0.112 R)
• M8: 6,139,945 km (0.118 R)
• M9: 6,429,716 km (0.042 R)
• M10: 7,093,781 km (0.062 R)
• M11: 8,397,228 km (0.105 R)
• M12: 9,465,955 km (0.044 R)
• M13: 10,774,039 km (0.087 R)
• M14: 11,431,970 km (0.1 R)
• M15: 12,827,868 km (0.115 R)
• M16: 15,129,880 km (0.111 R)
• M17: 15,709,123 km (0.077 R)
• M18: 17,378,485 km (0.084 R)
• M19: 17,747,394 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.9

Radius: 9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.71 AU - 4.47 AU

Year: 5709 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,659,972 km

• M1: 112,647 km (0.065 R)
• M2: 449,542 km (0.073 R)
• M3: 813,214 km (0.083 R)
• M4: 1,127,070 km (0.117 R)
• M5: 1,511,088 km (0.108 R)
• M6: 1,827,936 km (0.059 R)
• M7: 3,791,259 km (0.069 R)
• M8: 4,091,951 km (0.096 R)
• M9: 4,560,192 km (0.119 R)
• M10: 4,927,754 km (0.106 R)
• M11: 5,516,272 km (0.07 R)
• M12: 5,903,581 km (0.037 R)
• M13: 9,517,865 km (0.08 R)
• M14: 9,858,799 km (0.079 R)
• M15: 10,792,738 km (0.088 R)
• M16: 12,029,614 km (0.066 R)
• M17: 13,358,192 km (0.091 R)
• M18: 16,609,104 km (0.052 R)
• M19: 20,493,263 km (0.076 R)
• M20: 21,789,229 km (0.092 R)
• M21: 22,986,311 km (0.109 R)
• M22: 24,543,625 km (0.083 R)
• M23: 26,087,176 km (0.092 R)
• M24: 27,608,137 km (0.097 R)
• M25: 30,733,237 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.8

Radius: 10.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.83 AU - 4.67 AU

Year: 6048 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,659,972 km

• M1: 139,276 km (0.093 R)
• M2: 509,680 km (0.085 R)
• M3: 1,096,552 km (0.097 R)
• M4: 2,124,439 km (0.108 R)
• M5: 2,483,923 km (0.036 R)
• M6: 9,119,037 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.4

Radius: 4

Gravity: 61.78 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.52 AU - 8.58 AU

Year: 15765 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,659,972 km

• M1: 50,863 km (0.084 R)
• M2: 196,422 km (0.09 R)
• M3: 521,498 km (0.037 R)
• M4: 2,931,520 km (0.092 R)
• M5: 3,615,033 km (0.044 R)
• M6: 4,009,821 km (0.105 R)
• M7: 4,399,075 km (0.059 R)
• M8: 4,742,253 km (0.062 R)
• M9: 5,328,227 km (0.117 R)
• M10: 5,559,805 km (0.086 R)
• M11: 5,960,877 km (0.072 R)
• M12: 7,186,383 km (0.085 R)
• M13: 10,418,744 km (0.099 R)
• M14: 10,842,255 km (0.12 R)
• M15: 12,720,157 km (0.109 R)
• M16: 13,344,280 km (0.067 R)
• M17: 21,033,311 km (0.105 R)
• M18: 26,737,777 km (0.063 R)
• M19: 33,003,833 km (0.079 R)
• M20: 34,843,887 km (0.102 R)
• M21: 38,155,535 km (0.116 R)
• M22: 41,670,936 km (0.1 R)
• M23: 43,506,801 km (0.107 R)
• M24: 45,396,072 km (0.066 R)
• M25: 45,876,730 km (0.092 R)
• M26: 47,503,607 km (0.072 R)
• M27: 51,044,289 km (0.101 R)
• M28: 51,564,142 km (0.026 R)
• M29: 51,912,556 km (0.115 R)
• M30: 54,215,914 km (0.059 R)
• M31: 56,401,688 km (0.108 R)
• M32: 64,111,215 km (0.084 R)
• M33: 64,312,424 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.8

Radius: 3.2

Gravity: 34.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.71 AU - 9.65 AU

Year: 16149 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,659,972 km

• M1: 39,793 km (0.074 R)
• M2: 210,484 km (0.109 R)
• M3: 424,110 km (0.071 R)
• M4: 731,833 km (0.094 R)
• M5: 1,364,033 km (0.073 R)
• M6: 1,577,958 km (0.116 R)
• M7: 1,931,757 km (0.082 R)
• M8: 2,054,727 km (0.094 R)
• M9: 3,309,105 km (0.101 R)
• M10: 4,901,425 km (0.049 R)
• M11: 8,608,909 km (0.084 R)
• M12: 10,525,557 km (0.106 R)
• M13: 12,166,496 km (0.083 R)
• M14: 14,035,422 km (0.086 R)
• M15: 16,593,246 km (0.093 R)
• M16: 17,636,841 km (0.028 R)
• M17: 19,445,030 km (0.092 R)
• M18: 20,858,282 km (0.067 R)
• M19: 22,696,839 km (0.085 R)
• M20: 23,241,226 km (0.105 R)
• M21: 23,609,087 km (0.044 R)
• M22: 25,409,198 km (0.063 R)
• M23: 25,701,513 km (0.11 R)
• M24: 26,392,356 km (0.119 R)
• M25: 32,485,028 km (0.116 R)
• M26: 38,546,435 km (0.038 R)
• M27: 50,812,712 km (0.078 R)
• M28: 51,431,898 km (0.027 R)
• M29: 51,743,360 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 3.6

Gravity: 77.16 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.75 AU - 11.83 AU

Year: 21144 Days

Day: 21.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,659,972 km

• M1: 48,919 km (0.081 R)
• M2: 391,198 km (0.052 R)
• M3: 1,636,601 km (0.105 R)
• M4: 2,978,494 km (0.09 R)
• M5: 3,501,937 km (0.1 R)
• M6: 4,842,034 km (0.045 R)
• M7: 5,731,992 km (0.08 R)
• M8: 17,154,537 km (0.064 R)
• M9: 18,246,303 km (0.108 R)
• M10: 18,620,297 km (0.113 R)
• M11: 20,266,921 km (0.077 R)
• M12: 21,798,355 km (0.076 R)
• M13: 22,753,238 km (0.096 R)
• M14: 26,255,623 km (0.111 R)
• M15: 28,570,650 km (0.117 R)
• M16: 31,416,899 km (0.066 R)
• M17: 33,601,627 km (0.081 R)
• M18: 38,729,692 km (0.088 R)
• M19: 40,601,161 km (0.086 R)
• M20: 43,686,318 km (0.099 R)
• M21: 46,749,783 km (0.064 R)
• M22: 47,801,905 km (0.084 R)
• M23: 50,501,249 km (0.047 R)
• M24: 52,921,144 km (0.111 R)
• M25: 75,122,516 km (0.099 R)
• M26: 78,516,293 km (0.106 R)
• M27: 83,539,640 km (0.182 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.7

Radius: 5.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.71 AU - 11.37 AU

Year: 23620 Days

Day: 21.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,659,972 km

• M1: 69,713 km (0.051 R)
• M2: 663,915 km (0.096 R)
• M3: 1,393,504 km (0.106 R)
• M4: 1,614,460 km (0.06 R)
• M5: 1,874,910 km (0.04 R)
• M6: 2,253,243 km (0.115 R)
• M7: 2,806,606 km (0.071 R)
• M8: 3,646,149 km (0.117 R)
• M9: 4,235,116 km (0.045 R)
• M10: 4,552,413 km (0.077 R)
• M11: 5,073,911 km (0.062 R)
• M12: 9,943,471 km (0.108 R)
• M13: 10,195,693 km (0.095 R)
• M14: 14,191,602 km (0.089 R)
• M15: 14,383,087 km (0.059 R)
• M16: 19,827,253 km (0.035 R)
• M17: 22,394,203 km (0.075 R)
• M18: 23,444,530 km (0.04 R)
• M19: 24,527,319 km (0.11 R)
• M20: 25,267,529 km (0.094 R)
• M21: 25,548,923 km (0.116 R)
• M22: 27,676,504 km (0.112 R)
• M23: 29,296,050 km (0.098 R)
• M24: 29,710,586 km (0.072 R)
• M25: 30,977,680 km (0.066 R)
• M26: 32,945,341 km (0.04 R)
• M27: 33,619,279 km (0.088 R)
• M28: 41,519,991 km (0.086 R)
• M29: 46,667,505 km (0.081 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 10,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit