🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.3

Radius: 10.3

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.65 AU - 0.69 AU

Year: 366 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,329,231 km

• M1: 128,056 km (0.041 R)
• M2: 546,331 km (0.111 R)
• M3: 946,805 km (0.067 R)
• M4: 1,390,213 km (0.118 R)
• M5: 1,762,413 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 14.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.82 AU - 1.26 AU

Year: 707 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,329,231 km

• M1: 175,329 km (0.092 R)
• M2: 645,515 km (0.047 R)
• M3: 1,151,754 km (0.096 R)
• M4: 1,705,865 km (0.114 R)
• M5: 2,335,522 km (0.075 R)
• M6: 2,831,588 km (0.11 R)
• M7: 3,922,755 km (0.095 R)
• M8: 4,862,230 km (0.108 R)
• M9: 5,531,680 km (0.067 R)
• M10: 7,387,292 km (0.099 R)
• M11: 7,845,511 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.2

Radius: 13.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.89 AU - 2.13 AU

Year: 1900 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,329,231 km

• M1: 171,290 km (0.105 R)
• M2: 733,030 km (0.049 R)
• M3: 1,450,351 km (0.116 R)
• M4: 2,280,769 km (0.069 R)
• M5: 2,784,764 km (0.118 R)
• M6: 3,303,121 km (0.062 R)
• M7: 3,835,839 km (0.042 R)
• M8: 6,519,176 km (0.111 R)
• M9: 7,810,654 km (0.096 R)
• M10: 8,617,436 km (0.096 R)
• M11: 10,397,351 km (0.084 R)
• M12: 11,478,645 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 9.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.61 AU - 4.67 AU

Year: 5617 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,329,231 km

• M1: 113,246 km (0.107 R)
• M2: 539,899 km (0.12 R)
• M3: 1,165,667 km (0.028 R)
• M4: 1,520,513 km (0.101 R)
• M5: 2,467,916 km (0.031 R)
• M6: 3,353,685 km (0.083 R)
• M7: 3,807,565 km (0.101 R)
• M8: 5,289,033 km (0.111 R)
• M9: 5,767,297 km (0.101 R)
• M10: 6,245,262 km (0.086 R)
• M11: 8,285,478 km (0.05 R)
• M12: 9,649,063 km (0.105 R)
• M13: 10,901,945 km (0.111 R)
• M14: 12,768,029 km (0.057 R)
• M15: 13,727,549 km (0.099 R)
• M16: 15,897,915 km (0.096 R)
• M17: 17,350,660 km (0.116 R)
• M18: 18,828,986 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860

Radius: 11.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.38 AU - 6.12 AU

Year: 8022 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,329,231 km

• M1: 143,165 km (0.048 R)
• M2: 663,467 km (0.038 R)
• M3: 1,048,382 km (0.062 R)
• M4: 1,430,604 km (0.116 R)
• M5: 1,861,297 km (0.092 R)
• M6: 2,470,908 km (0.082 R)
• M7: 3,369,692 km (0.12 R)
• M8: 6,508,854 km (0.11 R)
• M9: 7,627,696 km (0.094 R)
• M10: 8,870,406 km (0.117 R)
• M11: 9,754,978 km (0.111 R)
• M12: 10,393,312 km (0.048 R)
• M13: 11,111,831 km (0.085 R)
• M14: 16,683,304 km (0.032 R)
• M15: 17,956,831 km (0.05 R)
• M16: 18,395,452 km (0.068 R)
• M17: 20,776,751 km (0.118 R)
• M18: 21,916,836 km (0.095 R)
• M19: 25,495,367 km (0.09 R)
• M20: 26,896,650 km (0.097 R)
• M21: 27,374,914 km (0.082 R)
• M22: 29,345,118 km (0.105 R)
• M23: 35,362,244 km (0.075 R)
• M24: 36,750,811 km (0.118 R)
• M25: 37,458,559 km (0.098 R)
• M26: 39,883,540 km (0.119 R)
• M27: 41,261,038 km (0.075 R)
• M28: 42,540,548 km (0.106 R)
• M29: 42,929,503 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.3

Radius: 5.2

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.59 AU - 7.41 AU

Year: 11051 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,329,231 km

• M1: 70,311 km (0.113 R)
• M2: 356,043 km (0.068 R)
• M3: 523,293 km (0.096 R)
• M4: 689,497 km (0.051 R)
• M5: 2,992,705 km (0.091 R)
• M6: 3,489,670 km (0.094 R)
• M7: 3,708,232 km (0.041 R)
• M8: 4,531,918 km (0.045 R)
• M9: 5,901,337 km (0.091 R)
• M10: 6,643,342 km (0.111 R)
• M11: 7,890,839 km (0.067 R)
• M12: 8,396,629 km (0.079 R)
• M13: 8,923,513 km (0.099 R)
• M14: 10,891,024 km (0.114 R)
• M15: 19,384,144 km (0.045 R)
• M16: 21,090,158 km (0.115 R)
• M17: 21,897,688 km (0.095 R)
• M18: 24,355,880 km (0.098 R)
• M19: 26,246,797 km (0.076 R)
• M20: 26,804,498 km (0.056 R)
• M21: 28,427,485 km (0.06 R)
• M22: 30,013,821 km (0.082 R)
• M23: 31,973,254 km (0.089 R)
• M24: 34,901,782 km (0.059 R)
• M25: 36,373,675 km (0.079 R)
• M26: 40,294,635 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.8

Radius: 4.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.07 AU - 10.99 AU

Year: 22786 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,329,231 km

• M1: 54,753 km (0.096 R)
• M2: 346,917 km (0.115 R)
• M3: 524,191 km (0.03 R)
• M4: 1,171,501 km (0.088 R)
• M5: 1,411,905 km (0.117 R)
• M6: 1,654,253 km (0.071 R)
• M7: 2,411,667 km (0.046 R)
• M8: 2,674,062 km (0.104 R)
• M9: 3,045,663 km (0.095 R)
• M10: 3,945,045 km (0.097 R)
• M11: 4,082,675 km (0.087 R)
• M12: 4,309,615 km (0.064 R)
• M13: 4,882,276 km (0.057 R)
• M14: 10,644,936 km (0.096 R)
• M15: 10,966,272 km (0.1 R)
• M16: 12,434,425 km (0.111 R)
• M17: 13,154,290 km (0.064 R)
• M18: 14,350,176 km (0.091 R)
• M19: 16,453,821 km (0.096 R)
• M20: 17,690,547 km (0.027 R)
• M21: 19,619,910 km (0.108 R)
• M22: 20,184,194 km (0.115 R)
• M23: 20,925,601 km (0.109 R)
• M24: 21,685,109 km (0.063 R)
• M25: 28,741,491 km (0.081 R)
• M26: 29,468,985 km (0.109 R)
• M27: 33,064,720 km (0.114 R)
• M28: 34,791,678 km (0.097 R)
• M29: 36,215,849 km (0.101 R)
• M30: 43,786,100 km (0.099 R)
• M31: 44,472,156 km (0.109 R)
• M32: 45,865,959 km (0.105 R)
• M33: 49,329,299 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 12,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit