🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 14.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 15 Hours

Environment

Temp: -141 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,078,654 km

• M1: 185,352 km (0.104 R)
• M2: 682,017 km (0.096 R)
• M3: 1,189,453 km (0.078 R)
• M4: 1,803,402 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 13.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.08 AU - 1.6 AU

Year: 1034 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,078,654 km

• M1: 169,195 km (0.094 R)
• M2: 1,006,046 km (0.1 R)
• M3: 1,755,381 km (0.037 R)
• M4: 2,531,794 km (0.064 R)
• M5: 2,987,021 km (0.115 R)
• M6: 3,901,961 km (0.113 R)
• M7: 4,550,318 km (0.108 R)
• M8: 5,170,850 km (0.116 R)
• M9: 6,041,959 km (0.049 R)
• M10: 6,793,239 km (0.068 R)
• M11: 8,482,648 km (0.06 R)
• M12: 9,815,864 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 13.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.69 AU - 1.87 AU

Year: 1584 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,078,654 km

• M1: 169,494 km (0.067 R)
• M2: 601,234 km (0.102 R)
• M3: 1,420,282 km (0.103 R)
• M4: 3,659,463 km (0.088 R)
• M5: 4,757,511 km (0.082 R)
• M6: 5,439,379 km (0.075 R)
• M7: 6,137,103 km (0.111 R)
• M8: 7,240,687 km (0.09 R)
• M9: 8,203,798 km (0.092 R)
• M10: 9,250,534 km (0.067 R)
• M11: 11,646,493 km (0.05 R)
• M12: 13,170,597 km (0.059 R)
• M13: 14,387,426 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 8.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.6 AU - 2.62 AU

Year: 2812 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,078,654 km

• M1: 109,506 km (0.118 R)
• M2: 629,508 km (0.118 R)
• M3: 995,723 km (0.119 R)
• M4: 1,295,667 km (0.092 R)
• M5: 1,710,352 km (0.118 R)
• M6: 2,071,631 km (0.102 R)
• M7: 2,642,497 km (0.067 R)
• M8: 3,078,724 km (0.05 R)
• M9: 4,573,057 km (0.113 R)
• M10: 5,133,301 km (0.116 R)
• M11: 5,589,126 km (0.076 R)
• M12: 5,916,297 km (0.054 R)
• M13: 6,309,889 km (0.057 R)
• M14: 8,744,594 km (0.103 R)
• M15: 9,255,919 km (0.116 R)
• M16: 10,716,892 km (0.108 R)
• M17: 11,183,787 km (0.041 R)
• M18: 13,187,950 km (0.107 R)
• M19: 13,724,258 km (0.105 R)
• M20: 14,043,650 km (0.106 R)
• M21: 15,225,323 km (0.091 R)
• M22: 15,518,535 km (0.1 R)
• M23: 15,815,636 km (0.066 R)
• M24: 17,517,312 km (0.115 R)
• M25: 17,893,551 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 8.3

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.18 AU - 3.68 AU

Year: 4236 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,078,654 km

• M1: 103,671 km (0.096 R)
• M2: 411,693 km (0.077 R)
• M3: 910,901 km (0.077 R)
• M4: 1,190,201 km (0.098 R)
• M5: 1,527,544 km (0.117 R)
• M6: 2,233,646 km (0.118 R)
• M7: 2,603,302 km (0.095 R)
• M8: 2,977,746 km (0.119 R)
• M9: 3,291,452 km (0.083 R)
• M10: 3,606,805 km (0.119 R)
• M11: 4,603,575 km (0.103 R)
• M12: 5,416,939 km (0.064 R)
• M13: 5,773,431 km (0.04 R)
• M14: 6,263,364 km (0.105 R)
• M15: 9,605,829 km (0.087 R)
• M16: 12,890,400 km (0.077 R)
• M17: 13,181,667 km (0.116 R)
• M18: 13,577,054 km (0.107 R)
• M19: 13,980,220 km (0.065 R)
• M20: 14,495,286 km (0.099 R)
• M21: 15,673,369 km (0.088 R)
• M22: 17,146,160 km (0.059 R)
• M23: 18,957,940 km (0.038 R)
• M24: 20,169,084 km (0.049 R)
• M25: 20,562,227 km (0.064 R)
• M26: 22,957,439 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.5

Radius: 10.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.89 AU - 4.63 AU

Year: 5863 Days

Day: 6.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,078,654 km

• M1: 133,142 km (0.094 R)
• M2: 470,635 km (0.049 R)
• M3: 993,180 km (0.091 R)
• M4: 1,370,167 km (0.086 R)
• M5: 2,015,383 km (0.078 R)
• M6: 2,686,778 km (0.033 R)
• M7: 3,723,641 km (0.072 R)
• M8: 4,871,056 km (0.055 R)
• M9: 5,321,047 km (0.031 R)
• M10: 5,829,530 km (0.043 R)
• M11: 7,261,630 km (0.072 R)
• M12: 9,081,339 km (0.113 R)
• M13: 9,418,981 km (0.119 R)
• M14: 10,299,963 km (0.074 R)
• M15: 11,872,536 km (0.107 R)
• M16: 15,309,248 km (0.043 R)
• M17: 16,277,595 km (0.072 R)
• M18: 18,537,869 km (0.084 R)
• M19: 22,347,229 km (0.082 R)
• M20: 25,296,551 km (0.056 R)
• M21: 26,306,337 km (0.116 R)
• M22: 28,496,150 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.8

Radius: 4.5

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.08 AU - 9.08 AU

Year: 15316 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,078,654 km

• M1: 56,548 km (0.11 R)
• M2: 435,928 km (0.1 R)
• M3: 1,046,138 km (0.107 R)
• M4: 2,603,452 km (0.119 R)
• M5: 3,009,311 km (0.049 R)
• M6: 4,234,069 km (0.092 R)
• M7: 5,092,012 km (0.084 R)
• M8: 5,433,843 km (0.039 R)
• M9: 8,268,723 km (0.104 R)
• M10: 8,653,638 km (0.118 R)
• M11: 11,849,797 km (0.114 R)
• M12: 15,050,892 km (0.098 R)
• M13: 16,344,615 km (0.075 R)
• M14: 16,882,269 km (0.109 R)
• M15: 19,824,411 km (0.114 R)
• M16: 20,590,501 km (0.104 R)
• M17: 23,007,255 km (0.119 R)
• M18: 23,343,102 km (0.088 R)
• M19: 23,512,148 km (0.073 R)
• M20: 24,197,007 km (0.108 R)
• M21: 25,696,277 km (0.105 R)
• M22: 26,331,170 km (0.064 R)
• M23: 27,632,223 km (0.102 R)
• M24: 35,562,107 km (0.092 R)
• M25: 37,265,129 km (0.05 R)
• M26: 37,961,357 km (0.041 R)
• M27: 39,140,936 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 11,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit