🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 10.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.72 AU - 0.9 AU

Year: 512 Days

Day: 8.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,625,804 km

• M1: 131,796 km (0.096 R)
• M2: 500,255 km (0.078 R)
• M3: 914,043 km (0.038 R)
• M4: 1,628,074 km (0.113 R)
• M5: 2,129,226 km (0.096 R)
• M6: 2,631,875 km (0.097 R)
• M7: 3,201,095 km (0.085 R)
• M8: 4,289,869 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.2

Radius: 8.9

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.79 AU - 1.07 AU

Year: 630 Days

Day: 13.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,625,804 km

• M1: 110,702 km (0.112 R)
• M2: 402,269 km (0.065 R)
• M3: 702,063 km (0.053 R)
• M4: 1,010,982 km (0.056 R)
• M5: 1,778,569 km (0.119 R)
• M6: 2,401,046 km (0.041 R)
• M7: 3,149,035 km (0.111 R)
• M8: 4,288,821 km (0.046 R)
• M9: 4,641,274 km (0.09 R)
• M10: 5,013,025 km (0.115 R)
• M11: 5,778,068 km (0.08 R)
• M12: 6,089,232 km (0.09 R)
• M13: 6,873,573 km (0.086 R)
• M14: 7,223,333 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.1

Radius: 11.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.12 AU - 1.4 AU

Year: 994 Days

Day: 9.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,625,804 km

• M1: 145,559 km (0.105 R)
• M2: 520,900 km (0.079 R)
• M3: 937,679 km (0.104 R)
• M4: 1,805,347 km (0.068 R)
• M5: 2,255,936 km (0.032 R)
• M6: 3,416,367 km (0.111 R)
• M7: 3,886,553 km (0.074 R)
• M8: 5,583,292 km (0.12 R)
• M9: 6,282,512 km (0.036 R)
• M10: 7,063,114 km (0.107 R)
• M11: 8,957,023 km (0.082 R)
• M12: 10,373,864 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 10.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.59 AU - 1.93 AU

Year: 1641 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,625,804 km

• M1: 134,339 km (0.112 R)
• M2: 690,993 km (0.119 R)
• M3: 1,335,610 km (0.064 R)
• M4: 2,050,837 km (0.088 R)
• M5: 2,585,051 km (0.052 R)
• M6: 4,473,575 km (0.113 R)
• M7: 5,124,475 km (0.049 R)
• M8: 6,566,150 km (0.069 R)
• M9: 6,939,995 km (0.106 R)
• M10: 8,204,546 km (0.084 R)
• M11: 11,045,409 km (0.055 R)
• M12: 12,994,819 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.4

Radius: 8.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.12 AU - 2.26 AU

Year: 2278 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,625,804 km

• M1: 100,829 km (0.118 R)
• M2: 369,357 km (0.111 R)
• M3: 630,555 km (0.073 R)
• M4: 944,262 km (0.119 R)
• M5: 1,207,704 km (0.111 R)
• M6: 1,540,559 km (0.119 R)
• M7: 1,799,662 km (0.104 R)
• M8: 2,124,589 km (0.081 R)
• M9: 2,393,865 km (0.112 R)
• M10: 2,715,052 km (0.056 R)
• M11: 3,566,264 km (0.105 R)
• M12: 3,986,933 km (0.066 R)
• M13: 4,481,204 km (0.089 R)
• M14: 5,015,717 km (0.079 R)
• M15: 8,600,082 km (0.04 R)
• M16: 9,391,306 km (0.086 R)
• M17: 10,051,331 km (0.087 R)
• M18: 11,270,853 km (0.086 R)
• M19: 12,961,758 km (0.113 R)
• M20: 14,861,501 km (0.061 R)
• M21: 15,140,651 km (0.092 R)
• M22: 16,390,691 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 8.2

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.68 AU - 2.74 AU

Year: 3136 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,625,804 km

• M1: 104,270 km (0.091 R)
• M2: 425,307 km (0.108 R)
• M3: 683,064 km (0.085 R)
• M4: 1,272,031 km (0.09 R)
• M5: 1,977,385 km (0.09 R)
• M6: 2,321,310 km (0.078 R)
• M7: 3,619,670 km (0.072 R)
• M8: 5,878,299 km (0.03 R)
• M9: 6,416,851 km (0.105 R)
• M10: 7,238,143 km (0.081 R)
• M11: 7,625,003 km (0.1 R)
• M12: 8,760,302 km (0.113 R)
• M13: 9,162,570 km (0.062 R)
• M14: 10,322,851 km (0.093 R)
• M15: 15,105,047 km (0.117 R)
• M16: 16,663,258 km (0.119 R)
• M17: 17,567,428 km (0.084 R)
• M18: 18,148,914 km (0.059 R)
• M19: 19,045,155 km (0.098 R)
• M20: 19,596,872 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 9.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.54 AU - 3.56 AU

Year: 4702 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,625,804 km

• M1: 120,725 km (0.032 R)
• M2: 441,015 km (0.117 R)
• M3: 824,583 km (0.117 R)
• M4: 1,236,875 km (0.076 R)
• M5: 1,544,299 km (0.066 R)
• M6: 2,001,620 km (0.075 R)
• M7: 2,459,987 km (0.118 R)
• M8: 3,588,255 km (0.04 R)
• M9: 4,080,132 km (0.11 R)
• M10: 5,055,062 km (0.096 R)
• M11: 7,742,288 km (0.051 R)
• M12: 8,064,821 km (0.078 R)
• M13: 8,875,492 km (0.118 R)
• M14: 10,737,836 km (0.061 R)
• M15: 11,760,637 km (0.118 R)
• M16: 13,951,946 km (0.113 R)
• M17: 14,527,449 km (0.102 R)
• M18: 15,168,775 km (0.037 R)
• M19: 16,402,210 km (0.097 R)
• M20: 16,720,704 km (0.101 R)
• M21: 19,126,088 km (0.117 R)
• M22: 19,657,160 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit