🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 10.5

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.67 AU - 1.05 AU

Year: 561 Days

Day: 5.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,447,813 km

• M1: 131,197 km (0.103 R)
• M2: 491,728 km (0.113 R)
• M3: 863,479 km (0.098 R)
• M4: 1,349,373 km (0.096 R)
• M5: 1,707,211 km (0.104 R)
• M6: 2,129,077 km (0.067 R)
• M7: 2,485,419 km (0.115 R)
• M8: 3,078,126 km (0.037 R)
• M9: 3,708,681 km (0.057 R)
• M10: 4,069,511 km (0.043 R)
• M11: 4,438,419 km (0.059 R)
• M12: 4,846,073 km (0.109 R)
• M13: 5,469,149 km (0.119 R)
• M14: 5,938,287 km (0.116 R)
• M15: 6,414,607 km (0.089 R)
• M16: 7,103,356 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 12.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.04 AU - 1.62 AU

Year: 1078 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,447,813 km

• M1: 159,322 km (0.106 R)
• M2: 934,388 km (0.078 R)
• M3: 1,782,907 km (0.073 R)
• M4: 2,273,888 km (0.113 R)
• M5: 2,733,602 km (0.092 R)
• M6: 3,242,085 km (0.088 R)
• M7: 6,127,978 km (0.069 R)
• M8: 6,756,139 km (0.085 R)
• M9: 7,840,574 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 14.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.76 AU - 1.88 AU

Year: 1726 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,447,813 km

• M1: 184,753 km (0.118 R)
• M2: 741,257 km (0.081 R)
• M3: 1,763,908 km (0.086 R)
• M4: 2,489,009 km (0.05 R)
• M5: 3,570,153 km (0.099 R)
• M6: 4,108,406 km (0.117 R)
• M7: 5,823,845 km (0.11 R)
• M8: 6,523,963 km (0.1 R)
• M9: 7,920,310 km (0.077 R)
• M10: 9,123,974 km (0.062 R)
• M11: 11,593,685 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.3

Radius: 8.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.27 AU - 3.59 AU

Year: 3525 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,447,813 km

• M1: 109,506 km (0.033 R)
• M2: 482,603 km (0.067 R)
• M3: 914,342 km (0.106 R)
• M4: 1,482,664 km (0.113 R)
• M5: 2,204,923 km (0.082 R)
• M6: 2,779,977 km (0.034 R)
• M7: 3,261,533 km (0.077 R)
• M8: 3,797,841 km (0.072 R)
• M9: 4,602,827 km (0.115 R)
• M10: 6,173,755 km (0.066 R)
• M11: 7,138,212 km (0.099 R)
• M12: 7,794,049 km (0.095 R)
• M13: 8,105,063 km (0.11 R)
• M14: 8,919,175 km (0.098 R)
• M15: 10,185,969 km (0.055 R)
• M16: 10,520,620 km (0.109 R)
• M17: 11,055,731 km (0.032 R)
• M18: 13,826,284 km (0.098 R)
• M19: 17,447,749 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.9

Radius: 11.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.16 AU - 4.72 AU

Year: 5497 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,447,813 km

• M1: 147,952 km (0.105 R)
• M2: 549,174 km (0.074 R)
• M3: 1,175,989 km (0.066 R)
• M4: 1,691,054 km (0.119 R)
• M5: 2,824,857 km (0.11 R)
• M6: 3,536,194 km (0.105 R)
• M7: 4,089,108 km (0.093 R)
• M8: 4,505,289 km (0.025 R)
• M9: 5,052,518 km (0.119 R)
• M10: 5,812,775 km (0.11 R)
• M11: 7,629,342 km (0.074 R)
• M12: 8,048,216 km (0.098 R)
• M13: 8,742,649 km (0.106 R)
• M14: 10,002,413 km (0.032 R)
• M15: 10,377,754 km (0.077 R)
• M16: 13,881,486 km (0.076 R)
• M17: 15,481,136 km (0.072 R)
• M18: 15,871,436 km (0.09 R)
• M19: 16,846,665 km (0.113 R)
• M20: 18,853,371 km (0.114 R)
• M21: 20,078,428 km (0.09 R)
• M22: 22,190,301 km (0.052 R)
• M23: 22,686,966 km (0.076 R)
• M24: 23,190,961 km (0.1 R)
• M25: 23,628,984 km (0.114 R)
• M26: 24,446,237 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.2

Radius: 7.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.63 AU - 12.13 AU

Year: 21829 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,447,813 km

• M1: 98,735 km (0.081 R)
• M2: 411,394 km (0.075 R)
• M3: 930,948 km (0.088 R)
• M4: 1,590,824 km (0.046 R)
• M5: 2,124,439 km (0.087 R)
• M6: 2,772,049 km (0.1 R)
• M7: 4,348,661 km (0.115 R)
• M8: 10,548,595 km (0.083 R)
• M9: 12,406,600 km (0.112 R)
• M10: 13,440,770 km (0.087 R)
• M11: 14,007,597 km (0.098 R)
• M12: 17,749,189 km (0.083 R)
• M13: 22,185,963 km (0.037 R)
• M14: 24,533,153 km (0.115 R)
• M15: 25,123,616 km (0.114 R)
• M16: 25,379,578 km (0.068 R)
• M17: 28,495,552 km (0.102 R)
• M18: 32,763,130 km (0.066 R)
• M19: 33,171,084 km (0.025 R)
• M20: 34,520,008 km (0.062 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 16,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit