🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 8.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.62 AU - 0.62 AU

Year: 337 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,809,387 km

• M1: 104,419 km (0.1 R)
• M2: 379,380 km (0.094 R)
• M3: 791,822 km (0.111 R)
• M4: 1,159,683 km (0.106 R)
• M5: 1,545,047 km (0.096 R)
• M6: 1,862,045 km (0.072 R)
• M7: 2,523,267 km (0.088 R)
• M8: 2,832,037 km (0.111 R)
• M9: 3,095,180 km (0.092 R)
• M10: 3,439,255 km (0.112 R)
• M11: 3,866,806 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.9

Radius: 9.2

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.54 AU - 0.74 AU

Year: 353 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,809,387 km

• M1: 114,742 km (0.117 R)
• M2: 490,531 km (0.063 R)
• M3: 1,464,713 km (0.048 R)
• M4: 1,885,382 km (0.078 R)
• M5: 2,469,262 km (0.075 R)
• M6: 2,791,496 km (0.093 R)
• M7: 3,078,425 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 9.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.24 AU - 1.37 AU

Year: 1023 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,809,387 km

• M1: 123,119 km (0.111 R)
• M2: 477,816 km (0.108 R)
• M3: 817,104 km (0.073 R)
• M4: 1,190,649 km (0.104 R)
• M5: 1,613,862 km (0.111 R)
• M6: 1,938,340 km (0.109 R)
• M7: 2,255,786 km (0.059 R)
• M8: 2,936,008 km (0.108 R)
• M9: 3,647,196 km (0.059 R)
• M10: 4,105,115 km (0.099 R)
• M11: 4,518,304 km (0.071 R)
• M12: 5,317,756 km (0.069 R)
• M13: 5,848,978 km (0.078 R)
• M14: 6,229,255 km (0.086 R)
• M15: 6,583,353 km (0.107 R)
• M16: 7,516,545 km (0.102 R)
• M17: 8,137,077 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.3

Radius: 12.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.52 AU - 2.74 AU

Year: 2944 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,809,387 km

• M1: 153,039 km (0.118 R)
• M2: 542,442 km (0.026 R)
• M3: 968,048 km (0.103 R)
• M4: 1,457,382 km (0.068 R)
• M5: 2,178,594 km (0.078 R)
• M6: 2,692,762 km (0.065 R)
• M7: 3,491,465 km (0.041 R)
• M8: 4,135,932 km (0.094 R)
• M9: 4,954,532 km (0.081 R)
• M10: 5,878,299 km (0.099 R)
• M11: 6,792,791 km (0.09 R)
• M12: 8,478,011 km (0.098 R)
• M13: 9,085,228 km (0.089 R)
• M14: 10,751,300 km (0.07 R)
• M15: 13,168,203 km (0.09 R)
• M16: 14,130,716 km (0.067 R)
• M17: 16,195,914 km (0.106 R)
• M18: 16,797,447 km (0.058 R)
• M19: 17,357,243 km (0.077 R)
• M20: 18,573,174 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 12.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.28 AU - 3.32 AU

Year: 3234 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,809,387 km

• M1: 158,574 km (0.11 R)
• M2: 703,559 km (0.12 R)
• M3: 1,234,182 km (0.111 R)
• M4: 1,731,745 km (0.113 R)
• M5: 2,217,639 km (0.073 R)
• M6: 2,659,551 km (0.057 R)
• M7: 3,144,098 km (0.112 R)
• M8: 3,577,483 km (0.111 R)
• M9: 4,784,290 km (0.064 R)
• M10: 5,457,630 km (0.071 R)
• M11: 5,983,765 km (0.044 R)
• M12: 6,766,162 km (0.056 R)
• M13: 8,209,931 km (0.111 R)
• M14: 9,562,595 km (0.078 R)
• M15: 10,556,224 km (0.12 R)
• M16: 11,536,539 km (0.118 R)
• M17: 13,723,809 km (0.105 R)
• M18: 14,416,597 km (0.058 R)
• M19: 15,523,921 km (0.066 R)
• M20: 15,922,150 km (0.08 R)
• M21: 16,947,793 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.1

Radius: 13.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.21 AU - 3.79 AU

Year: 4520 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,809,387 km

• M1: 162,912 km (0.07 R)
• M2: 714,330 km (0.08 R)
• M3: 1,439,281 km (0.078 R)
• M4: 2,205,970 km (0.116 R)
• M5: 2,863,752 km (0.09 R)
• M6: 3,609,946 km (0.059 R)
• M7: 4,257,406 km (0.064 R)
• M8: 5,867,827 km (0.085 R)
• M9: 6,495,839 km (0.111 R)
• M10: 7,554,393 km (0.095 R)
• M11: 8,833,754 km (0.11 R)
• M12: 9,660,283 km (0.08 R)
• M13: 13,587,825 km (0.111 R)
• M14: 14,281,959 km (0.113 R)
• M15: 18,411,608 km (0.034 R)
• M16: 21,041,689 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.4

Radius: 5.9

Gravity: 19.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.38 AU - 8.16 AU

Year: 12159 Days

Day: 19.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,809,387 km

• M1: 73,901 km (0.038 R)
• M2: 282,740 km (0.043 R)
• M3: 493,224 km (0.068 R)
• M4: 748,737 km (0.103 R)
• M5: 949,198 km (0.086 R)
• M6: 1,548,338 km (0.114 R)
• M7: 1,731,895 km (0.116 R)
• M8: 2,161,839 km (0.06 R)
• M9: 2,412,266 km (0.052 R)
• M10: 3,257,045 km (0.108 R)
• M11: 3,995,310 km (0.108 R)
• M12: 5,068,077 km (0.113 R)
• M13: 5,511,485 km (0.052 R)
• M14: 6,054,974 km (0.048 R)
• M15: 6,243,766 km (0.076 R)
• M16: 9,880,491 km (0.091 R)
• M17: 10,089,778 km (0.093 R)
• M18: 10,846,145 km (0.11 R)
• M19: 12,050,557 km (0.036 R)
• M20: 12,289,764 km (0.027 R)
• M21: 13,151,747 km (0.079 R)
• M22: 14,053,374 km (0.087 R)
• M23: 16,123,060 km (0.12 R)
• M24: 22,079,599 km (0.102 R)
• M25: 23,350,582 km (0.088 R)
• M26: 24,765,628 km (0.053 R)
• M27: 25,055,399 km (0.072 R)
• M28: 28,393,526 km (0.106 R)
• M29: 30,776,321 km (0.087 R)
• M30: 30,999,372 km (0.056 R)
• M31: 32,016,338 km (0.077 R)
• M32: 39,634,011 km (0.083 R)
• M33: 42,052,709 km (0.119 R)
• M34: 44,710,615 km (0.052 R)
• M35: 45,717,558 km (0.1 R)
• M36: 47,776,324 km (0.1 R)
• M37: 48,526,408 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.1

Radius: 5.9

Gravity: 16.06 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.33 AU - 9.07 AU

Year: 16208 Days

Day: 21.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,809,387 km

• M1: 73,901 km (0.03 R)
• M2: 312,211 km (0.112 R)
• M3: 636,988 km (0.034 R)
• M4: 1,097,001 km (0.119 R)
• M5: 2,039,917 km (0.116 R)
• M6: 2,835,328 km (0.095 R)
• M7: 4,879,733 km (0.104 R)
• M8: 5,550,380 km (0.058 R)
• M9: 7,744,233 km (0.107 R)
• M10: 8,262,739 km (0.113 R)
• M11: 10,799,470 km (0.101 R)
• M12: 12,624,116 km (0.098 R)
• M13: 12,882,022 km (0.091 R)
• M14: 13,948,954 km (0.096 R)
• M15: 18,558,214 km (0.061 R)
• M16: 23,116,162 km (0.059 R)
• M17: 23,308,844 km (0.11 R)
• M18: 24,386,996 km (0.075 R)
• M19: 27,604,098 km (0.117 R)
• M20: 29,483,197 km (0.036 R)
• M21: 30,511,683 km (0.081 R)
• M22: 35,245,857 km (0.03 R)
• M23: 39,067,634 km (0.062 R)
• M24: 39,340,949 km (0.115 R)
• M25: 40,586,650 km (0.108 R)
• M26: 46,595,847 km (0.117 R)
• M27: 48,146,429 km (0.075 R)
• M28: 49,252,107 km (0.1 R)
• M29: 51,678,285 km (0.102 R)
• M30: 52,837,370 km (0.102 R)
• M31: 53,339,270 km (0.115 R)
• M32: 55,724,010 km (0.091 R)
• M33: 59,975,731 km (0.11 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 17,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit