🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.6

Radius: 12.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.68 AU

Year: 282 Days

Day: 11.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,366,706 km

• M1: 156,779 km (0.076 R)
• M2: 574,007 km (0.071 R)
• M3: 1,188,555 km (0.07 R)
• M4: 1,662,631 km (0.066 R)
• M5: 2,191,609 km (0.109 R)
• M6: 2,665,385 km (0.052 R)
• M7: 3,207,528 km (0.107 R)
• M8: 3,695,815 km (0.071 R)
• M9: 4,109,603 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 14.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.62 AU - 1.74 AU

Year: 1503 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,366,706 km

• M1: 181,911 km (0.107 R)
• M2: 727,644 km (0.084 R)
• M3: 2,020,469 km (0.081 R)
• M4: 2,521,173 km (0.105 R)
• M5: 3,949,683 km (0.118 R)
• M6: 4,834,704 km (0.059 R)
• M7: 5,692,947 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872

Radius: 13.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.63 AU - 2.05 AU

Year: 1723 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,366,706 km

• M1: 167,250 km (0.09 R)
• M2: 736,321 km (0.107 R)
• M3: 1,213,987 km (0.115 R)
• M4: 1,644,081 km (0.083 R)
• M5: 2,154,209 km (0.058 R)
• M6: 3,254,352 km (0.085 R)
• M7: 4,376,785 km (0.045 R)
• M8: 5,508,642 km (0.117 R)
• M9: 7,953,969 km (0.083 R)
• M10: 9,633,804 km (0.115 R)
• M11: 10,467,812 km (0.055 R)
• M12: 12,042,778 km (0.051 R)
• M13: 12,480,202 km (0.064 R)
• M14: 13,727,549 km (0.103 R)
• M15: 14,649,072 km (0.053 R)
• M16: 15,658,260 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.9

Radius: 8.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.6 AU - 2.26 AU

Year: 1851 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,366,706 km

• M1: 103,223 km (0.107 R)
• M2: 376,538 km (0.052 R)
• M3: 1,059,602 km (0.101 R)
• M4: 1,501,364 km (0.111 R)
• M5: 3,204,835 km (0.071 R)
• M6: 3,487,426 km (0.068 R)
• M7: 4,058,889 km (0.087 R)
• M8: 4,452,631 km (0.105 R)
• M9: 4,789,077 km (0.07 R)
• M10: 6,054,525 km (0.099 R)
• M11: 6,387,979 km (0.057 R)
• M12: 6,858,614 km (0.058 R)
• M13: 7,462,540 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.1

Radius: 9.9

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.1 AU - 2.2 AU

Year: 2176 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,366,706 km

• M1: 128,953 km (0.099 R)
• M2: 565,630 km (0.092 R)
• M3: 910,901 km (0.061 R)
• M4: 1,354,010 km (0.083 R)
• M5: 2,073,426 km (0.099 R)
• M6: 2,836,675 km (0.113 R)
• M7: 3,460,648 km (0.089 R)
• M8: 4,642,321 km (0.117 R)
• M9: 5,074,958 km (0.116 R)
• M10: 5,386,271 km (0.113 R)
• M11: 6,564,654 km (0.05 R)
• M12: 8,795,308 km (0.11 R)
• M13: 9,567,233 km (0.082 R)
• M14: 10,007,050 km (0.114 R)
• M15: 10,966,571 km (0.118 R)
• M16: 13,247,041 km (0.118 R)
• M17: 14,166,619 km (0.105 R)
• M18: 14,932,560 km (0.072 R)
• M19: 15,725,728 km (0.077 R)
• M20: 16,338,930 km (0.09 R)
• M21: 17,450,143 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 14.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.86 AU - 2.46 AU

Year: 2191 Days

Day: 7.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,366,706 km

• M1: 185,501 km (0.105 R)
• M2: 791,074 km (0.089 R)
• M3: 1,768,247 km (0.108 R)
• M4: 2,257,881 km (0.043 R)
• M5: 3,145,445 km (0.065 R)
• M6: 5,421,726 km (0.082 R)
• M7: 6,148,772 km (0.089 R)
• M8: 8,756,562 km (0.107 R)
• M9: 11,814,791 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.6

Radius: 11.7

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.26 AU - 4.32 AU

Year: 6133 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,366,706 km

• M1: 153,039 km (0.05 R)
• M2: 525,687 km (0.111 R)
• M3: 934,987 km (0.103 R)
• M4: 2,308,295 km (0.114 R)
• M5: 3,273,501 km (0.06 R)
• M6: 3,752,214 km (0.078 R)
• M7: 4,277,452 km (0.117 R)
• M8: 4,822,736 km (0.102 R)
• M9: 5,889,070 km (0.068 R)
• M10: 6,323,053 km (0.08 R)
• M11: 7,106,198 km (0.034 R)
• M12: 8,694,628 km (0.116 R)
• M13: 10,556,523 km (0.103 R)
• M14: 12,452,976 km (0.099 R)
• M15: 12,835,797 km (0.115 R)
• M16: 13,914,846 km (0.096 R)
• M17: 14,566,644 km (0.061 R)
• M18: 16,059,631 km (0.119 R)
• M19: 17,177,127 km (0.055 R)
• M20: 17,789,431 km (0.097 R)
• M21: 18,275,624 km (0.067 R)
• M22: 20,385,103 km (0.055 R)
• M23: 24,480,794 km (0.096 R)
• M24: 25,256,459 km (0.054 R)
• M25: 25,694,481 km (0.102 R)
• M26: 26,226,601 km (0.117 R)
• M27: 32,473,808 km (0.097 R)
• M28: 33,305,423 km (0.109 R)
• M29: 35,995,641 km (0.112 R)
• M30: 36,439,199 km (0.051 R)
• M31: 38,827,679 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 10.3

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.13 AU - 5.97 AU

Year: 7833 Days

Day: 9.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,366,706 km

• M1: 128,056 km (0.115 R)
• M2: 541,993 km (0.046 R)
• M3: 995,125 km (0.111 R)
• M4: 1,435,691 km (0.096 R)
• M5: 2,367,386 km (0.056 R)
• M6: 2,792,843 km (0.106 R)
• M7: 3,248,219 km (0.066 R)
• M8: 3,571,500 km (0.109 R)
• M9: 5,318,204 km (0.117 R)
• M10: 5,925,721 km (0.064 R)
• M11: 6,681,191 km (0.098 R)
• M12: 9,903,529 km (0.057 R)
• M13: 10,588,388 km (0.104 R)
• M14: 11,501,084 km (0.055 R)
• M15: 11,900,660 km (0.117 R)
• M16: 12,517,452 km (0.049 R)
• M17: 18,311,378 km (0.12 R)
• M18: 18,719,481 km (0.093 R)
• M19: 20,123,756 km (0.053 R)
• M20: 23,299,420 km (0.07 R)
• M21: 25,762,549 km (0.11 R)
• M22: 31,007,599 km (0.055 R)
• M23: 33,981,156 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.1

Radius: 6.1

Gravity: 23.41 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.36 AU - 8.26 AU

Year: 12267 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,366,706 km

• M1: 75,846 km (0.073 R)
• M2: 314,754 km (0.098 R)
• M3: 837,299 km (0.117 R)
• M4: 1,555,519 km (0.095 R)
• M5: 2,078,662 km (0.085 R)
• M6: 2,667,928 km (0.102 R)
• M7: 3,851,098 km (0.1 R)
• M8: 4,542,390 km (0.092 R)
• M9: 5,242,807 km (0.061 R)
• M10: 7,639,514 km (0.095 R)
• M11: 13,106,868 km (0.094 R)
• M12: 14,035,721 km (0.086 R)
• M13: 17,396,587 km (0.096 R)
• M14: 21,709,045 km (0.038 R)
• M15: 22,537,518 km (0.106 R)
• M16: 26,268,638 km (0.073 R)
• M17: 27,103,394 km (0.104 R)
• M18: 30,391,555 km (0.058 R)
• M19: 33,936,127 km (0.088 R)
• M20: 43,114,256 km (0.115 R)
• M21: 53,152,722 km (0.08 R)
• M22: 54,992,476 km (0.068 R)
• M23: 58,445,345 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.3

Radius: 7.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.38 AU - 7.62 AU

Year: 12784 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,366,706 km

• M1: 95,743 km (0.113 R)
• M2: 388,954 km (0.057 R)
• M3: 835,055 km (0.119 R)
• M4: 3,873,687 km (0.091 R)
• M5: 6,156,102 km (0.074 R)
• M6: 6,570,039 km (0.103 R)
• M7: 7,042,619 km (0.116 R)
• M8: 12,193,124 km (0.108 R)
• M9: 20,466,784 km (0.062 R)
• M10: 20,882,516 km (0.108 R)
• M11: 21,730,736 km (0.069 R)
• M12: 24,135,971 km (0.086 R)
• M13: 34,588,075 km (0.115 R)
• M14: 39,368,924 km (0.115 R)
• M15: 41,451,476 km (0.081 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: 457 - 15,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit