🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 14.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.91 AU - 1.03 AU

Year: 648 Days

Day: 14.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,159,389 km

• M1: 179,218 km (0.06 R)
• M2: 781,649 km (0.075 R)
• M3: 1,446,013 km (0.08 R)
• M4: 2,173,208 km (0.077 R)
• M5: 2,776,536 km (0.06 R)
• M6: 3,345,756 km (0.08 R)
• M7: 4,859,537 km (0.106 R)
• M8: 5,761,612 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 9.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.94 AU - 1.14 AU

Year: 719 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,159,389 km

• M1: 114,592 km (0.089 R)
• M2: 432,936 km (0.093 R)
• M3: 1,159,683 km (0.116 R)
• M4: 1,525,599 km (0.094 R)
• M5: 1,900,192 km (0.061 R)
• M6: 2,258,778 km (0.083 R)
• M7: 2,973,258 km (0.082 R)
• M8: 3,668,589 km (0.117 R)
• M9: 4,141,318 km (0.098 R)
• M10: 4,607,315 km (0.04 R)
• M11: 4,893,646 km (0.119 R)
• M12: 5,680,082 km (0.113 R)
• M13: 6,768,705 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.9 AU - 1.2 AU

Year: 730 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,159,389 km

• M1: 175,927 km (0.109 R)
• M2: 639,680 km (0.077 R)
• M3: 1,150,557 km (0.111 R)
• M4: 1,719,179 km (0.093 R)
• M5: 2,474,349 km (0.056 R)
• M6: 4,136,082 km (0.112 R)
• M7: 5,061,943 km (0.091 R)
• M8: 6,175,998 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 13.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.07 AU - 1.31 AU

Year: 880 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,159,389 km

• M1: 170,542 km (0.031 R)
• M2: 616,642 km (0.095 R)
• M3: 1,230,143 km (0.113 R)
• M4: 2,723,130 km (0.065 R)
• M5: 3,180,451 km (0.071 R)
• M6: 3,831,201 km (0.075 R)
• M7: 5,986,757 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 12.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.94 AU - 4.18 AU

Year: 4556 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,159,389 km

• M1: 745,745 km (0.111 R)
• M2: 2,033,334 km (0.09 R)
• M3: 3,033,695 km (0.095 R)
• M4: 3,516,896 km (0.114 R)
• M5: 5,816,964 km (0.094 R)
• M6: 6,476,092 km (0.119 R)
• M7: 10,705,972 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.5

Radius: 4.8

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.78 AU - 9.58 AU

Year: 14436 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,159,389 km

• M1: 59,690 km (0.117 R)
• M2: 256,261 km (0.097 R)
• M3: 479,312 km (0.096 R)
• M4: 933,042 km (0.059 R)
• M5: 1,102,387 km (0.083 R)
• M6: 1,531,882 km (0.077 R)
• M7: 1,897,051 km (0.075 R)
• M8: 2,299,618 km (0.094 R)
• M9: 2,929,426 km (0.111 R)
• M10: 3,417,115 km (0.111 R)
• M11: 3,903,308 km (0.062 R)
• M12: 5,435,639 km (0.109 R)
• M13: 6,353,422 km (0.086 R)
• M14: 6,771,099 km (0.09 R)
• M15: 9,969,800 km (0.112 R)
• M16: 10,903,142 km (0.04 R)
• M17: 11,446,032 km (0.098 R)
• M18: 12,703,851 km (0.099 R)
• M19: 13,304,786 km (0.117 R)
• M20: 13,550,426 km (0.069 R)
• M21: 13,736,675 km (0.027 R)
• M22: 16,245,730 km (0.115 R)
• M23: 17,461,063 km (0.108 R)
• M24: 20,151,432 km (0.039 R)
• M25: 22,754,435 km (0.112 R)
• M26: 25,857,693 km (0.114 R)
• M27: 26,821,402 km (0.118 R)
• M28: 28,718,004 km (0.047 R)
• M29: 34,593,012 km (0.069 R)
• M30: 35,999,082 km (0.032 R)
• M31: 38,179,172 km (0.039 R)
• M32: 40,317,374 km (0.095 R)
• M33: 42,137,083 km (0.086 R)
• M34: 42,800,100 km (0.091 R)
• M35: 43,335,511 km (0.074 R)
• M36: 44,693,411 km (0.05 R)
• M37: 45,521,585 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.9

Radius: 4.2

Gravity: 29.76 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.1 AU - 11.78 AU

Year: 22879 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,159,389 km

• M1: 52,210 km (0.117 R)
• M2: 219,460 km (0.068 R)
• M3: 406,757 km (0.041 R)
• M4: 1,669,811 km (0.081 R)
• M5: 2,190,412 km (0.064 R)
• M6: 3,399,911 km (0.069 R)
• M7: 3,876,081 km (0.037 R)
• M8: 5,771,785 km (0.119 R)
• M9: 11,191,566 km (0.101 R)
• M10: 17,928,706 km (0.115 R)
• M11: 18,190,652 km (0.116 R)
• M12: 21,635,742 km (0.084 R)
• M13: 22,032,326 km (0.112 R)
• M14: 34,662,425 km (0.099 R)
• M15: 35,205,316 km (0.064 R)
• M16: 35,753,891 km (0.091 R)
• M17: 37,575,993 km (0.074 R)
• M18: 39,754,288 km (0.119 R)
• M19: 50,689,294 km (0.102 R)
• M20: 54,067,962 km (0.104 R)
• M21: 57,593,684 km (0.048 R)
• M22: 61,467,222 km (0.03 R)
• M23: 64,076,059 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 17,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit