🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 11

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.57 AU - 0.57 AU

Year: 302 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,812,073 km

• M1: 146,008 km (0.084 R)
• M2: 584,928 km (0.115 R)
• M3: 1,044,792 km (0.059 R)
• M4: 1,402,181 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743

Radius: 11.8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.6 AU - 0.72 AU

Year: 377 Days

Day: 12.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,812,073 km

• M1: 146,756 km (0.119 R)
• M2: 531,970 km (0.097 R)
• M3: 1,139,637 km (0.097 R)
• M4: 1,789,639 km (0.065 R)
• M5: 2,175,153 km (0.056 R)
• M6: 3,933,377 km (0.079 R)
• M7: 4,316,198 km (0.082 R)
• M8: 4,724,002 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 11.1

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.96 AU - 1.4 AU

Year: 901 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,812,073 km

• M1: 138,079 km (0.12 R)
• M2: 724,502 km (0.116 R)
• M3: 1,113,158 km (0.087 R)
• M4: 1,550,283 km (0.062 R)
• M5: 2,441,736 km (0.115 R)
• M6: 2,819,022 km (0.074 R)
• M7: 5,017,961 km (0.101 R)
• M8: 5,449,551 km (0.113 R)
• M9: 6,660,995 km (0.031 R)
• M10: 9,432,894 km (0.114 R)
• M11: 9,849,075 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.9

Radius: 14.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.74 AU - 2.9 AU

Year: 2484 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,812,073 km

• M1: 177,872 km (0.111 R)
• M2: 758,760 km (0.086 R)
• M3: 2,975,950 km (0.081 R)
• M4: 4,030,765 km (0.104 R)
• M5: 4,858,340 km (0.096 R)
• M6: 5,629,069 km (0.06 R)
• M7: 7,800,482 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.3

Radius: 8.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.01 AU - 3.29 AU

Year: 3930 Days

Day: 13.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 157.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,812,073 km

• M1: 118,482 km (0.034 R)
• M2: 439,818 km (0.081 R)
• M3: 831,615 km (0.064 R)
• M4: 1,268,740 km (0.093 R)
• M5: 1,787,096 km (0.092 R)
• M6: 2,091,378 km (0.076 R)
• M7: 2,727,917 km (0.077 R)
• M8: 3,409,784 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 13.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.15 AU - 5.21 AU

Year: 7117 Days

Day: 11.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,812,073 km

• M1: 164,109 km (0.079 R)
• M2: 631,453 km (0.092 R)
• M3: 1,235,379 km (0.058 R)
• M4: 1,769,294 km (0.103 R)
• M5: 2,402,991 km (0.112 R)
• M6: 3,099,518 km (0.117 R)
• M7: 3,877,577 km (0.055 R)
• M8: 5,163,670 km (0.106 R)
• M9: 6,609,384 km (0.104 R)
• M10: 7,197,303 km (0.087 R)
• M11: 9,672,400 km (0.052 R)
• M12: 11,178,850 km (0.085 R)
• M13: 12,503,390 km (0.038 R)
• M14: 13,578,251 km (0.052 R)
• M15: 14,108,575 km (0.061 R)
• M16: 15,847,052 km (0.113 R)
• M17: 16,435,121 km (0.096 R)
• M18: 19,896,068 km (0.109 R)
• M19: 21,518,158 km (0.087 R)
• M20: 22,977,335 km (0.081 R)
• M21: 23,562,263 km (0.081 R)
• M22: 24,414,971 km (0.115 R)
• M23: 31,174,551 km (0.044 R)
• M24: 37,799,343 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.7

Radius: 5.4

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.56 AU - 5.98 AU

Year: 9743 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,812,073 km

• M1: 67,169 km (0.113 R)
• M2: 243,695 km (0.109 R)
• M3: 618,737 km (0.103 R)
• M4: 1,239,418 km (0.079 R)
• M5: 1,952,851 km (0.105 R)
• M6: 2,741,830 km (0.106 R)
• M7: 3,852,744 km (0.116 R)
• M8: 4,199,212 km (0.093 R)
• M9: 4,624,369 km (0.078 R)
• M10: 5,235,177 km (0.088 R)
• M11: 5,864,087 km (0.086 R)
• M12: 6,358,657 km (0.067 R)
• M13: 9,492,434 km (0.09 R)
• M14: 9,926,716 km (0.115 R)
• M15: 12,185,943 km (0.1 R)
• M16: 13,464,556 km (0.105 R)
• M17: 17,048,024 km (0.094 R)
• M18: 18,868,480 km (0.109 R)
• M19: 25,930,098 km (0.041 R)
• M20: 26,398,639 km (0.099 R)
• M21: 33,785,632 km (0.105 R)
• M22: 34,682,770 km (0.089 R)
• M23: 37,708,088 km (0.095 R)
• M24: 39,161,880 km (0.087 R)
• M25: 39,530,938 km (0.101 R)
• M26: 42,698,523 km (0.065 R)
• M27: 43,746,756 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit