🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 8.5

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.73 AU - 0.91 AU

Year: 522 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,096,312 km

• M1: 105,766 km (0.08 R)
• M2: 476,768 km (0.106 R)
• M3: 906,862 km (0.033 R)
• M4: 1,368,073 km (0.078 R)
• M5: 1,687,614 km (0.047 R)
• M6: 2,266,258 km (0.105 R)
• M7: 2,914,915 km (0.052 R)
• M8: 3,424,744 km (0.057 R)
• M9: 3,937,566 km (0.062 R)
• M10: 4,455,623 km (0.04 R)
• M11: 5,018,261 km (0.107 R)
• M12: 5,333,762 km (0.042 R)
• M13: 5,662,579 km (0.111 R)
• M14: 5,931,705 km (0.107 R)
• M15: 6,476,391 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.1

Radius: 11.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.91 AU - 1.19 AU

Year: 756 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,096,312 km

• M1: 146,756 km (0.068 R)
• M2: 542,591 km (0.098 R)
• M3: 1,041,949 km (0.119 R)
• M4: 1,516,773 km (0.111 R)
• M5: 2,725,075 km (0.096 R)
• M6: 3,421,453 km (0.077 R)
• M7: 3,864,113 km (0.11 R)
• M8: 4,409,996 km (0.107 R)
• M9: 5,503,556 km (0.087 R)
• M10: 5,892,511 km (0.102 R)
• M11: 6,617,761 km (0.115 R)
• M12: 7,194,311 km (0.076 R)
• M13: 7,804,072 km (0.087 R)
• M14: 8,679,070 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 10.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.18 AU - 1.96 AU

Year: 1383 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,096,312 km

• M1: 133,890 km (0.102 R)
• M2: 657,782 km (0.103 R)
• M3: 1,034,020 km (0.119 R)
• M4: 1,540,708 km (0.086 R)
• M5: 1,902,137 km (0.045 R)
• M6: 2,982,234 km (0.107 R)
• M7: 5,601,243 km (0.088 R)
• M8: 6,115,262 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.5

Radius: 14

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.55 AU - 2.07 AU

Year: 1712 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,096,312 km

• M1: 174,132 km (0.091 R)
• M2: 627,114 km (0.086 R)
• M3: 1,093,560 km (0.069 R)
• M4: 2,318,617 km (0.116 R)
• M5: 2,755,144 km (0.093 R)
• M6: 3,445,089 km (0.084 R)
• M7: 4,146,703 km (0.053 R)
• M8: 5,274,223 km (0.12 R)
• M9: 5,984,214 km (0.085 R)
• M10: 6,538,025 km (0.075 R)
• M11: 6,980,985 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.4

Radius: 7.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.27 AU - 8.53 AU

Year: 12740 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,096,312 km

• M1: 94,546 km (0.043 R)
• M2: 355,445 km (0.096 R)
• M3: 655,239 km (0.096 R)
• M4: 1,088,175 km (0.11 R)
• M5: 1,364,632 km (0.104 R)
• M6: 2,156,005 km (0.09 R)
• M7: 3,962,399 km (0.109 R)
• M8: 5,408,412 km (0.116 R)
• M9: 6,897,958 km (0.077 R)
• M10: 7,589,848 km (0.059 R)
• M11: 9,074,756 km (0.077 R)
• M12: 9,982,816 km (0.096 R)
• M13: 12,698,914 km (0.113 R)
• M14: 13,069,768 km (0.09 R)
• M15: 16,850,854 km (0.068 R)
• M16: 20,596,336 km (0.095 R)
• M17: 21,237,961 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922

Radius: 4.2

Gravity: 52.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.72 AU - 10.98 AU

Year: 18506 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 61,096,312 km

• M1: 53,107 km (0.034 R)
• M2: 315,951 km (0.071 R)
• M3: 811,868 km (0.12 R)
• M4: 1,421,329 km (0.103 R)
• M5: 1,621,342 km (0.095 R)
• M6: 2,016,729 km (0.07 R)
• M7: 3,049,403 km (0.064 R)
• M8: 3,710,027 km (0.11 R)
• M9: 4,426,751 km (0.119 R)
• M10: 4,637,235 km (0.105 R)
• M11: 4,817,799 km (0.093 R)
• M12: 4,965,453 km (0.091 R)
• M13: 6,086,090 km (0.093 R)
• M14: 7,077,475 km (0.1 R)
• M15: 7,661,206 km (0.105 R)
• M16: 7,862,714 km (0.079 R)
• M17: 9,546,738 km (0.08 R)
• M18: 12,055,943 km (0.118 R)
• M19: 12,260,144 km (0.06 R)
• M20: 12,466,589 km (0.072 R)
• M21: 13,754,776 km (0.113 R)
• M22: 13,903,177 km (0.118 R)
• M23: 18,415,947 km (0.046 R)
• M24: 18,868,929 km (0.106 R)
• M25: 20,081,569 km (0.077 R)
• M26: 20,464,839 km (0.078 R)
• M27: 20,950,883 km (0.077 R)
• M28: 23,496,889 km (0.1 R)
• M29: 27,163,084 km (0.031 R)
• M30: 29,684,556 km (0.072 R)
• M31: 30,558,357 km (0.1 R)
• M32: 31,193,101 km (0.042 R)
• M33: 33,016,699 km (0.099 R)
• M34: 33,550,614 km (0.11 R)
• M35: 35,743,569 km (0.1 R)
• M36: 38,030,172 km (0.028 R)
• M37: 47,135,148 km (0.062 R)
• M38: 56,824,003 km (0.106 R)
• M39: 58,752,619 km (0.109 R)
• M40: 63,148,403 km (0.113 R)
• M41: 63,764,297 km (0.03 R)
• M42: 70,145,245 km (0.081 R)
• M43: 75,085,864 km (0.119 R)
• M44: 78,821,323 km (0.054 R)
• M45: 79,058,884 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.2

Radius: 6

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.7 AU - 9.34 AU

Year: 19042 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,096,312 km

• M1: 97,388 km (0.081 R)
• M2: 548,276 km (0.079 R)
• M3: 751,281 km (0.079 R)
• M4: 1,502,112 km (0.079 R)
• M5: 3,694,319 km (0.051 R)
• M6: 5,308,181 km (0.087 R)
• M7: 6,170,463 km (0.076 R)
• M8: 6,823,159 km (0.111 R)
• M9: 9,576,956 km (0.088 R)
• M10: 11,197,849 km (0.116 R)
• M11: 11,554,790 km (0.057 R)
• M12: 12,993,473 km (0.077 R)
• M13: 13,993,684 km (0.081 R)
• M14: 16,987,885 km (0.047 R)
• M15: 26,440,975 km (0.071 R)
• M16: 28,479,246 km (0.101 R)
• M17: 38,617,643 km (0.104 R)
• M18: 39,568,786 km (0.111 R)
• M19: 43,822,153 km (0.03 R)
• M20: 50,758,258 km (0.098 R)
• M21: 52,228,057 km (0.119 R)
• M22: 53,223,482 km (0.034 R)
• M23: 55,595,356 km (0.061 R)
• M24: 58,036,793 km (0.115 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 13,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit