🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 14.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.79 AU - 1.21 AU

Year: 678 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,975,530 km

• M1: 179,368 km (0.076 R)
• M2: 670,946 km (0.047 R)
• M3: 1,249,441 km (0.061 R)
• M4: 1,869,375 km (0.107 R)
• M5: 3,155,019 km (0.069 R)
• M6: 3,843,319 km (0.119 R)
• M7: 4,516,210 km (0.069 R)
• M8: 5,248,641 km (0.036 R)
• M9: 6,098,806 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.9

Radius: 10.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.8 AU - 4.64 AU

Year: 4866 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,975,530 km

• M1: 129,103 km (0.068 R)
• M2: 703,708 km (0.084 R)
• M3: 1,448,706 km (0.098 R)
• M4: 2,088,985 km (0.04 R)
• M5: 4,024,632 km (0.105 R)
• M6: 6,966,623 km (0.074 R)
• M7: 7,686,339 km (0.109 R)
• M8: 8,614,593 km (0.093 R)
• M9: 9,755,277 km (0.113 R)
• M10: 15,383,897 km (0.064 R)
• M11: 16,010,114 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 9.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.07 AU - 4.75 AU

Year: 5244 Days

Day: 8.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,975,530 km

• M1: 190,737 km (0.117 R)
• M2: 504,893 km (0.096 R)
• M3: 844,630 km (0.115 R)
• M4: 1,622,090 km (0.069 R)
• M5: 2,292,587 km (0.096 R)
• M6: 4,523,092 km (0.093 R)
• M7: 5,193,888 km (0.11 R)
• M8: 5,649,414 km (0.045 R)
• M9: 6,457,691 km (0.109 R)
• M10: 8,054,948 km (0.087 R)
• M11: 8,777,057 km (0.083 R)
• M12: 9,900,237 km (0.088 R)
• M13: 10,308,789 km (0.067 R)
• M14: 11,424,341 km (0.057 R)
• M15: 12,195,966 km (0.054 R)
• M16: 12,905,360 km (0.117 R)
• M17: 13,542,048 km (0.103 R)
• M18: 14,199,680 km (0.097 R)
• M19: 15,909,135 km (0.073 R)
• M20: 17,751,583 km (0.106 R)
• M21: 18,724,268 km (0.119 R)
• M22: 24,053,542 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 12.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.38 AU - 6.7 AU

Year: 8844 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,975,530 km

• M1: 150,645 km (0.1 R)
• M2: 530,025 km (0.071 R)
• M3: 1,281,605 km (0.112 R)
• M4: 1,719,478 km (0.107 R)
• M5: 3,391,384 km (0.097 R)
• M6: 3,827,312 km (0.085 R)
• M7: 4,495,117 km (0.113 R)
• M8: 6,309,889 km (0.061 R)
• M9: 6,821,813 km (0.033 R)
• M10: 8,746,838 km (0.047 R)
• M11: 13,283,393 km (0.069 R)
• M12: 13,700,622 km (0.059 R)
• M13: 16,187,686 km (0.041 R)
• M14: 16,664,006 km (0.057 R)
• M15: 17,931,848 km (0.079 R)
• M16: 19,112,026 km (0.081 R)
• M17: 19,491,256 km (0.081 R)
• M18: 19,952,915 km (0.086 R)
• M19: 20,738,603 km (0.097 R)
• M20: 22,455,837 km (0.113 R)
• M21: 24,089,296 km (0.091 R)
• M22: 25,070,509 km (0.096 R)
• M23: 27,303,706 km (0.11 R)
• M24: 30,897,495 km (0.056 R)
• M25: 36,628,440 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.9

Radius: 3.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.63 AU - 7.67 AU

Year: 12967 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,975,530 km

• M1: 46,076 km (0.106 R)
• M2: 299,046 km (0.111 R)
• M3: 591,360 km (0.06 R)
• M4: 816,056 km (0.057 R)
• M5: 1,535,622 km (0.103 R)
• M6: 2,703,383 km (0.106 R)
• M7: 4,996,569 km (0.115 R)
• M8: 5,151,253 km (0.081 R)
• M9: 5,774,029 km (0.118 R)
• M10: 9,895,450 km (0.051 R)
• M11: 11,376,918 km (0.059 R)
• M12: 17,689,499 km (0.069 R)
• M13: 18,413,703 km (0.062 R)
• M14: 21,781,001 km (0.069 R)
• M15: 22,542,305 km (0.098 R)
• M16: 23,464,725 km (0.075 R)
• M17: 24,634,281 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.4

Radius: 4.8

Gravity: 22.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.81 AU - 9.31 AU

Year: 14099 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 27,975,530 km

• M1: 61,485 km (0.05 R)
• M2: 437,424 km (0.076 R)
• M3: 783,594 km (0.113 R)
• M4: 1,027,588 km (0.054 R)
• M5: 1,217,577 km (0.097 R)
• M6: 1,561,503 km (0.055 R)
• M7: 1,716,336 km (0.112 R)
• M8: 2,502,772 km (0.104 R)
• M9: 2,715,800 km (0.1 R)
• M10: 3,377,022 km (0.114 R)
• M11: 4,169,143 km (0.11 R)
• M12: 5,179,228 km (0.03 R)
• M13: 5,350,667 km (0.113 R)
• M14: 6,150,268 km (0.11 R)
• M15: 6,618,659 km (0.042 R)
• M16: 6,820,616 km (0.054 R)
• M17: 10,805,005 km (0.075 R)
• M18: 11,255,893 km (0.111 R)
• M19: 11,955,413 km (0.071 R)
• M20: 12,255,207 km (0.098 R)
• M21: 12,621,722 km (0.116 R)
• M22: 12,870,054 km (0.057 R)
• M23: 15,114,322 km (0.065 R)
• M24: 15,394,369 km (0.073 R)
• M25: 15,821,022 km (0.058 R)
• M26: 18,468,007 km (0.115 R)
• M27: 19,937,806 km (0.096 R)
• M28: 20,359,522 km (0.086 R)
• M29: 21,483,900 km (0.102 R)
• M30: 23,293,436 km (0.114 R)
• M31: 23,479,835 km (0.098 R)
• M32: 26,700,378 km (0.094 R)
• M33: 34,360,985 km (0.106 R)
• M34: 39,278,118 km (0.117 R)
• M35: 45,220,744 km (0.088 R)
• M36: 48,936,904 km (0.04 R)
• M37: 54,310,460 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.3

Radius: 3.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.34 AU - 9.1 AU

Year: 15984 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,975,530 km

• M1: 48,619 km (0.097 R)
• M2: 195,674 km (0.086 R)
• M3: 383,868 km (0.05 R)
• M4: 2,147,328 km (0.112 R)
• M5: 3,156,365 km (0.066 R)
• M6: 7,064,909 km (0.082 R)
• M7: 22,223,212 km (0.116 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: 159 - 13,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit