🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 15

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.67 AU - 0.93 AU

Year: 462 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 127.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,191,739 km

• M1: 192,532 km (0.109 R)
• M2: 669,600 km (0.066 R)
• M3: 1,243,158 km (0.112 R)
• M4: 1,786,348 km (0.111 R)
• M5: 2,348,088 km (0.071 R)
• M6: 3,243,880 km (0.107 R)
• M7: 3,916,472 km (0.082 R)
• M8: 4,561,688 km (0.096 R)
• M9: 5,147,812 km (0.041 R)
• M10: 5,783,902 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.3

Radius: 10.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.28 AU - 1.58 AU

Year: 1104 Days

Day: 10.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,191,739 km

• M1: 127,009 km (0.119 R)
• M2: 686,056 km (0.047 R)
• M3: 1,051,673 km (0.077 R)
• M4: 1,614,610 km (0.103 R)
• M5: 1,970,952 km (0.087 R)
• M6: 2,502,473 km (0.046 R)
• M7: 2,821,117 km (0.031 R)
• M8: 3,288,760 km (0.113 R)
• M9: 3,643,456 km (0.11 R)
• M10: 3,961,202 km (0.057 R)
• M11: 4,566,475 km (0.1 R)
• M12: 5,899,841 km (0.055 R)
• M13: 6,383,042 km (0.109 R)
• M14: 8,298,194 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 14.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.29 AU - 1.93 AU

Year: 1319 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,191,739 km

• M1: 190,288 km (0.09 R)
• M2: 682,914 km (0.108 R)
• M3: 1,159,982 km (0.11 R)
• M4: 1,932,954 km (0.066 R)
• M5: 2,402,991 km (0.119 R)
• M6: 3,746,379 km (0.064 R)
• M7: 6,951,663 km (0.11 R)
• M8: 7,727,478 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 9.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.72 AU - 5.9 AU

Year: 7901 Days

Day: 5.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,191,739 km

• M1: 119,828 km (0.112 R)
• M2: 490,681 km (0.096 R)
• M3: 839,394 km (0.113 R)
• M4: 1,284,148 km (0.111 R)
• M5: 2,127,731 km (0.085 R)
• M6: 2,670,771 km (0.115 R)
• M7: 4,664,611 km (0.112 R)
• M8: 4,981,310 km (0.036 R)
• M9: 5,312,220 km (0.057 R)
• M10: 6,672,364 km (0.118 R)
• M11: 12,131,639 km (0.114 R)
• M12: 14,560,810 km (0.101 R)
• M13: 14,946,323 km (0.063 R)
• M14: 16,195,316 km (0.059 R)
• M15: 17,296,955 km (0.046 R)
• M16: 17,893,701 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.3

Radius: 4.1

Gravity: 58.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.52 AU - 8.88 AU

Year: 16569 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,191,739 km

• M1: 54,753 km (0.086 R)
• M2: 354,996 km (0.09 R)
• M3: 620,532 km (0.075 R)
• M4: 802,742 km (0.041 R)
• M5: 1,218,624 km (0.082 R)
• M6: 2,304,256 km (0.064 R)
• M7: 2,647,434 km (0.115 R)
• M8: 4,201,157 km (0.099 R)
• M9: 4,641,872 km (0.108 R)
• M10: 6,106,585 km (0.111 R)
• M11: 6,319,762 km (0.031 R)
• M12: 6,626,587 km (0.093 R)
• M13: 7,754,256 km (0.073 R)
• M14: 8,259,747 km (0.029 R)
• M15: 10,442,231 km (0.106 R)
• M16: 10,747,261 km (0.072 R)
• M17: 11,058,275 km (0.108 R)
• M18: 13,051,068 km (0.105 R)
• M19: 18,694,348 km (0.113 R)
• M20: 19,600,612 km (0.092 R)
• M21: 19,971,316 km (0.085 R)
• M22: 24,789,863 km (0.091 R)
• M23: 27,236,088 km (0.1 R)
• M24: 30,205,605 km (0.056 R)
• M25: 36,220,487 km (0.111 R)
• M26: 36,359,314 km (0.119 R)
• M27: 62,073,392 km (0.111 R)
• M28: 68,018,861 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142

Radius: 4.8

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.62 AU - 10.3 AU

Year: 18787 Days

Day: 17 Hours

Environment

Temp: -220 °C

Axial Tilt: 153.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,191,739 km

• M1: 63,130 km (0.076 R)
• M2: 220,358 km (0.102 R)
• M3: 506,538 km (0.096 R)
• M4: 976,425 km (0.097 R)
• M5: 1,395,000 km (0.091 R)
• M6: 1,710,502 km (0.062 R)
• M7: 3,634,630 km (0.086 R)
• M8: 3,809,510 km (0.112 R)
• M9: 4,859,687 km (0.102 R)
• M10: 5,781,210 km (0.084 R)
• M11: 8,388,551 km (0.117 R)
• M12: 8,963,156 km (0.044 R)
• M13: 9,563,792 km (0.107 R)
• M14: 15,497,143 km (0.105 R)
• M15: 18,402,034 km (0.105 R)
• M16: 19,068,493 km (0.108 R)
• M17: 19,445,629 km (0.093 R)
• M18: 20,924,254 km (0.09 R)
• M19: 22,060,600 km (0.06 R)
• M20: 32,455,707 km (0.098 R)
• M21: 34,418,581 km (0.064 R)
• M22: 36,343,756 km (0.109 R)
• M23: 37,627,006 km (0.097 R)
• M24: 38,220,162 km (0.117 R)
• M25: 39,425,172 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 16,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit