🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 13.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.8 AU - 1.02 AU

Year: 599 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,311,188 km

• M1: 175,329 km (0.118 R)
• M2: 639,381 km (0.05 R)
• M3: 1,637,947 km (0.113 R)
• M4: 2,243,818 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 12.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.11 AU - 1.71 AU

Year: 1156 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,311,188 km

• M1: 160,967 km (0.083 R)
• M2: 812,017 km (0.083 R)
• M3: 1,248,843 km (0.067 R)
• M4: 1,744,311 km (0.051 R)
• M5: 2,632,175 km (0.108 R)
• M6: 3,477,103 km (0.114 R)
• M7: 4,442,159 km (0.099 R)
• M8: 4,882,874 km (0.044 R)
• M9: 5,682,924 km (0.109 R)
• M10: 6,136,804 km (0.092 R)
• M11: 7,118,166 km (0.062 R)
• M12: 8,040,138 km (0.109 R)
• M13: 8,982,455 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 10.4

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.4 AU - 1.86 AU

Year: 1436 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,311,188 km

• M1: 129,402 km (0.113 R)
• M2: 729,888 km (0.059 R)
• M3: 1,135,597 km (0.107 R)
• M4: 2,072,379 km (0.054 R)
• M5: 2,994,949 km (0.118 R)
• M6: 3,721,247 km (0.117 R)
• M7: 5,349,470 km (0.093 R)
• M8: 6,132,466 km (0.073 R)
• M9: 6,862,802 km (0.1 R)
• M10: 7,223,034 km (0.097 R)
• M11: 8,555,053 km (0.112 R)
• M12: 10,175,647 km (0.057 R)
• M13: 12,289,315 km (0.031 R)
• M14: 13,054,808 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 14.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.75 AU - 1.75 AU

Year: 1598 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,311,188 km

• M1: 180,415 km (0.113 R)
• M2: 733,628 km (0.112 R)
• M3: 1,232,537 km (0.113 R)
• M4: 1,801,906 km (0.105 R)
• M5: 2,440,540 km (0.073 R)
• M6: 4,104,068 km (0.062 R)
• M7: 4,755,866 km (0.095 R)
• M8: 5,240,264 km (0.119 R)
• M9: 5,776,722 km (0.102 R)
• M10: 6,788,153 km (0.093 R)
• M11: 7,986,282 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 14.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.37 AU - 3.65 AU

Year: 3605 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,311,188 km

• M1: 175,777 km (0.066 R)
• M2: 727,494 km (0.11 R)
• M3: 1,647,222 km (0.115 R)
• M4: 2,453,255 km (0.068 R)
• M5: 3,154,720 km (0.118 R)
• M6: 3,911,087 km (0.117 R)
• M7: 5,235,177 km (0.117 R)
• M8: 5,762,360 km (0.1 R)
• M9: 6,538,474 km (0.112 R)
• M10: 7,354,082 km (0.086 R)
• M11: 7,924,498 km (0.063 R)
• M12: 9,154,492 km (0.079 R)
• M13: 9,603,435 km (0.086 R)
• M14: 10,508,203 km (0.11 R)
• M15: 11,350,738 km (0.069 R)
• M16: 12,320,731 km (0.031 R)
• M17: 13,389,309 km (0.049 R)
• M18: 15,467,373 km (0.103 R)
• M19: 15,957,006 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.6

Radius: 10.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.68 AU - 4.3 AU

Year: 4500 Days

Day: 12.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,311,188 km

• M1: 125,961 km (0.059 R)
• M2: 480,957 km (0.059 R)
• M3: 1,703,022 km (0.088 R)
• M4: 2,369,780 km (0.118 R)
• M5: 2,831,140 km (0.048 R)
• M6: 3,370,739 km (0.073 R)
• M7: 4,491,227 km (0.04 R)
• M8: 5,569,978 km (0.105 R)
• M9: 6,213,697 km (0.1 R)
• M10: 7,385,048 km (0.12 R)
• M11: 8,697,770 km (0.1 R)
• M12: 9,760,214 km (0.089 R)
• M13: 10,949,667 km (0.069 R)
• M14: 11,469,070 km (0.106 R)
• M15: 12,371,295 km (0.111 R)
• M16: 14,419,290 km (0.107 R)
• M17: 14,833,526 km (0.103 R)
• M18: 17,546,783 km (0.063 R)
• M19: 19,175,305 km (0.089 R)
• M20: 20,058,232 km (0.106 R)
• M21: 24,369,942 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.3

Radius: 10.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.18 AU - 4.18 AU

Year: 5899 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,311,188 km

• M1: 172,935 km (0.069 R)
• M2: 537,056 km (0.087 R)
• M3: 957,875 km (0.115 R)
• M4: 1,733,690 km (0.079 R)
• M5: 2,948,574 km (0.093 R)
• M6: 3,297,885 km (0.081 R)
• M7: 3,657,219 km (0.052 R)
• M8: 5,251,334 km (0.111 R)
• M9: 7,351,539 km (0.101 R)
• M10: 10,315,072 km (0.092 R)
• M11: 11,089,241 km (0.092 R)
• M12: 11,587,701 km (0.046 R)
• M13: 12,061,029 km (0.069 R)
• M14: 12,629,351 km (0.047 R)
• M15: 14,623,790 km (0.105 R)
• M16: 15,270,352 km (0.112 R)
• M17: 16,081,023 km (0.083 R)
• M18: 16,670,289 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 12.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.1 AU - 5.6 AU

Year: 7373 Days

Day: 9.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,311,188 km

• M1: 161,865 km (0.112 R)
• M2: 565,779 km (0.112 R)
• M3: 1,180,477 km (0.119 R)
• M4: 1,739,524 km (0.032 R)
• M5: 2,963,683 km (0.025 R)
• M6: 4,555,255 km (0.039 R)
• M7: 5,144,372 km (0.093 R)
• M8: 5,684,719 km (0.118 R)
• M9: 6,158,047 km (0.115 R)
• M10: 7,107,245 km (0.117 R)
• M11: 7,657,466 km (0.076 R)
• M12: 9,388,164 km (0.118 R)
• M13: 9,906,670 km (0.116 R)
• M14: 14,151,809 km (0.105 R)
• M15: 16,333,544 km (0.098 R)
• M16: 17,859,742 km (0.073 R)
• M17: 19,177,400 km (0.109 R)
• M18: 22,336,608 km (0.049 R)
• M19: 27,415,755 km (0.118 R)
• M20: 27,991,557 km (0.096 R)
• M21: 29,167,246 km (0.077 R)
• M22: 29,767,433 km (0.113 R)
• M23: 32,570,448 km (0.076 R)
• M24: 33,871,052 km (0.117 R)
• M25: 35,206,064 km (0.118 R)
• M26: 41,776,402 km (0.034 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 16,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit