🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 11.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 6.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,939,534 km

• M1: 140,772 km (0.087 R)
• M2: 553,961 km (0.087 R)
• M3: 1,252,284 km (0.047 R)
• M4: 1,688,062 km (0.106 R)
• M5: 2,311,736 km (0.076 R)
• M6: 2,899,656 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 12.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.81 AU - 0.99 AU

Year: 569 Days

Day: 11.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,939,534 km

• M1: 160,219 km (0.075 R)
• M2: 757,564 km (0.076 R)
• M3: 1,154,297 km (0.041 R)
• M4: 1,984,565 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 12.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.06 AU - 1.08 AU

Year: 738 Days

Day: 13.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,939,534 km

• M1: 156,928 km (0.119 R)
• M2: 589,864 km (0.071 R)
• M3: 1,060,649 km (0.076 R)
• M4: 1,457,682 km (0.063 R)
• M5: 3,089,944 km (0.064 R)
• M6: 3,604,561 km (0.09 R)
• M7: 4,605,071 km (0.065 R)
• M8: 5,031,126 km (0.092 R)
• M9: 5,570,426 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.5

Radius: 9.8

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.02 AU - 1.3 AU

Year: 833 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,939,534 km

• M1: 123,119 km (0.105 R)
• M2: 455,526 km (0.099 R)
• M3: 796,459 km (0.096 R)
• M4: 1,524,851 km (0.051 R)
• M5: 2,095,717 km (0.061 R)
• M6: 3,678,163 km (0.061 R)
• M7: 4,154,782 km (0.105 R)
• M8: 4,759,606 km (0.111 R)
• M9: 5,120,286 km (0.109 R)
• M10: 5,715,686 km (0.108 R)
• M11: 7,586,557 km (0.106 R)
• M12: 8,309,264 km (0.071 R)
• M13: 9,186,805 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.9

Radius: 10.2

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1 AU - 1.32 AU

Year: 833 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,939,534 km

• M1: 127,009 km (0.077 R)
• M2: 454,778 km (0.063 R)
• M3: 879,935 km (0.101 R)
• M4: 1,538,165 km (0.09 R)
• M5: 2,014,784 km (0.101 R)
• M6: 3,109,691 km (0.111 R)
• M7: 3,499,992 km (0.091 R)
• M8: 3,968,682 km (0.052 R)
• M9: 4,819,595 km (0.106 R)
• M10: 5,196,132 km (0.039 R)
• M11: 5,534,373 km (0.119 R)
• M12: 6,509,153 km (0.086 R)
• M13: 7,618,571 km (0.056 R)
• M14: 8,056,294 km (0.069 R)
• M15: 8,640,025 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 11.6

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.27 AU - 2.81 AU

Year: 2699 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,939,534 km

• M1: 144,212 km (0.108 R)
• M2: 527,632 km (0.058 R)
• M3: 1,220,270 km (0.073 R)
• M4: 2,262,817 km (0.067 R)
• M5: 3,884,458 km (0.104 R)
• M6: 4,298,096 km (0.071 R)
• M7: 4,695,578 km (0.111 R)
• M8: 6,567,047 km (0.09 R)
• M9: 7,402,551 km (0.085 R)
• M10: 8,962,558 km (0.102 R)
• M11: 9,689,005 km (0.071 R)
• M12: 11,889,889 km (0.111 R)
• M13: 12,857,339 km (0.101 R)
• M14: 14,948,418 km (0.096 R)
• M15: 15,918,111 km (0.092 R)
• M16: 17,701,168 km (0.053 R)
• M17: 18,844,545 km (0.117 R)
• M18: 20,158,463 km (0.095 R)
• M19: 20,651,238 km (0.083 R)
• M20: 21,025,981 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.5

Radius: 6.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.84 AU - 11.72 AU

Year: 20396 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,939,534 km

• M1: 88,712 km (0.071 R)
• M2: 482,304 km (0.086 R)
• M3: 731,833 km (0.118 R)
• M4: 1,117,945 km (0.111 R)
• M5: 1,682,826 km (0.105 R)
• M6: 1,964,070 km (0.107 R)
• M7: 2,380,701 km (0.094 R)
• M8: 2,831,140 km (0.043 R)
• M9: 3,051,497 km (0.104 R)
• M10: 4,082,077 km (0.035 R)
• M11: 4,300,640 km (0.092 R)
• M12: 5,074,360 km (0.104 R)
• M13: 5,475,731 km (0.072 R)
• M14: 7,250,710 km (0.099 R)
• M15: 9,540,305 km (0.096 R)
• M16: 11,576,631 km (0.096 R)
• M17: 13,265,142 km (0.052 R)
• M18: 14,816,921 km (0.115 R)
• M19: 19,045,155 km (0.075 R)
• M20: 19,657,609 km (0.032 R)
• M21: 20,103,111 km (0.113 R)
• M22: 22,239,369 km (0.055 R)
• M23: 23,811,792 km (0.117 R)
• M24: 26,957,536 km (0.053 R)
• M25: 31,811,389 km (0.048 R)
• M26: 34,186,704 km (0.047 R)
• M27: 36,946,785 km (0.054 R)
• M28: 42,165,057 km (0.069 R)
• M29: 44,413,513 km (0.1 R)
• M30: 51,467,951 km (0.109 R)
• M31: 51,974,489 km (0.047 R)
• M32: 55,083,432 km (0.107 R)
• M33: 56,504,313 km (0.07 R)
• M34: 58,497,405 km (0.091 R)
• M35: 60,537,022 km (0.115 R)
• M36: 61,479,639 km (0.039 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 13,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit