🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 11.4

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.63 AU - 0.79 AU

Year: 380 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,797,459 km

• M1: 141,968 km (0.098 R)
• M2: 562,039 km (0.105 R)
• M3: 1,013,376 km (0.063 R)
• M4: 1,916,798 km (0.117 R)
• M5: 2,324,302 km (0.107 R)
• M6: 2,709,666 km (0.116 R)
• M7: 3,127,044 km (0.058 R)
• M8: 3,515,400 km (0.088 R)
• M9: 3,872,191 km (0.055 R)
• M10: 4,335,346 km (0.073 R)
• M11: 4,864,923 km (0.113 R)
• M12: 5,293,969 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 10.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.64 AU - 0.84 AU

Year: 405 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,797,459 km

• M1: 134,937 km (0.079 R)
• M2: 524,191 km (0.071 R)
• M3: 993,031 km (0.031 R)
• M4: 1,389,016 km (0.067 R)
• M5: 2,425,131 km (0.12 R)
• M6: 2,919,103 km (0.093 R)
• M7: 3,381,211 km (0.093 R)
• M8: 4,060,984 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.9

Radius: 11

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.65 AU - 0.87 AU

Year: 421 Days

Day: 7.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,797,459 km

• M1: 136,732 km (0.089 R)
• M2: 489,484 km (0.112 R)
• M3: 997,967 km (0.108 R)
• M4: 1,415,944 km (0.038 R)
• M5: 1,776,176 km (0.12 R)
• M6: 2,618,112 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 11.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.87 AU - 2.57 AU

Year: 2103 Days

Day: 13.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,797,459 km

• M1: 145,110 km (0.078 R)
• M2: 523,144 km (0.111 R)
• M3: 1,061,696 km (0.086 R)
• M4: 1,476,381 km (0.111 R)
• M5: 1,858,454 km (0.093 R)
• M6: 2,261,621 km (0.069 R)
• M7: 3,189,576 km (0.088 R)
• M8: 3,613,237 km (0.074 R)
• M9: 4,763,495 km (0.045 R)
• M10: 6,052,730 km (0.11 R)
• M11: 8,016,651 km (0.1 R)
• M12: 8,892,696 km (0.106 R)
• M13: 9,430,051 km (0.102 R)
• M14: 11,344,605 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.8

Radius: 4.8

Gravity: 38.1 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.01 AU - 12.79 AU

Year: 21325 Days

Day: 18.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 47,797,459 km

• M1: 59,690 km (0.111 R)
• M2: 216,169 km (0.11 R)
• M3: 802,293 km (0.116 R)
• M4: 1,041,500 km (0.111 R)
• M5: 1,852,321 km (0.079 R)
• M6: 2,161,988 km (0.059 R)
• M7: 2,677,652 km (0.071 R)
• M8: 3,599,175 km (0.037 R)
• M9: 6,175,998 km (0.092 R)
• M10: 7,758,295 km (0.065 R)
• M11: 11,764,975 km (0.067 R)
• M12: 14,955,150 km (0.069 R)
• M13: 15,938,756 km (0.061 R)
• M14: 17,140,026 km (0.079 R)
• M15: 20,109,694 km (0.093 R)
• M16: 21,818,849 km (0.1 R)
• M17: 22,339,300 km (0.119 R)
• M18: 24,171,126 km (0.077 R)
• M19: 25,984,402 km (0.097 R)
• M20: 32,907,343 km (0.06 R)
• M21: 36,133,720 km (0.11 R)
• M22: 41,438,311 km (0.116 R)
• M23: 42,881,482 km (0.112 R)
• M24: 45,698,709 km (0.096 R)
• M25: 47,585,736 km (0.074 R)
• M26: 49,702,845 km (0.085 R)
• M27: 53,557,683 km (0.093 R)
• M28: 54,124,061 km (0.054 R)
• M29: 54,694,478 km (0.112 R)
• M30: 59,604,878 km (0.097 R)
• M31: 61,648,535 km (0.112 R)
• M32: 62,478,952 km (0.108 R)
• M33: 65,659,403 km (0.108 R)
• M34: 68,501,763 km (0.071 R)
• M35: 75,135,531 km (0.102 R)
• M36: 79,216,560 km (0.103 R)
• M37: 79,951,834 km (0.102 R)
• M38: 84,204,004 km (0.109 R)
• M39: 86,256,337 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136

Radius: 4.4

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.17 AU - 12.29 AU

Year: 22348 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 116.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,797,459 km

• M1: 54,753 km (0.109 R)
• M2: 239,506 km (0.114 R)
• M3: 442,361 km (0.116 R)
• M4: 613,202 km (0.118 R)
• M5: 1,207,105 km (0.101 R)
• M6: 1,463,366 km (0.094 R)
• M7: 1,663,528 km (0.083 R)
• M8: 2,433,957 km (0.06 R)
• M9: 3,771,662 km (0.069 R)
• M10: 6,058,415 km (0.072 R)
• M11: 6,500,327 km (0.116 R)
• M12: 9,131,005 km (0.115 R)
• M13: 9,563,941 km (0.076 R)
• M14: 11,052,141 km (0.051 R)
• M15: 11,378,115 km (0.116 R)
• M16: 11,599,071 km (0.045 R)
• M17: 11,879,268 km (0.065 R)
• M18: 12,279,143 km (0.101 R)
• M19: 13,287,432 km (0.05 R)
• M20: 17,214,676 km (0.065 R)
• M21: 18,857,410 km (0.067 R)
• M22: 22,106,676 km (0.09 R)
• M23: 30,634,203 km (0.085 R)
• M24: 33,598,485 km (0.063 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 13,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit