🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.47 AU - 0.53 AU

Year: 228 Days

Day: 40.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 10.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.67 AU - 0.69 AU

Year: 362 Days

Day: 11.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,303,157 km

• M1: 126,859 km (0.043 R)
• M2: 519,404 km (0.091 R)
• M3: 939,475 km (0.116 R)
• M4: 1,374,356 km (0.117 R)
• M5: 1,782,758 km (0.104 R)
• M6: 2,369,331 km (0.075 R)
• M7: 2,838,919 km (0.103 R)
• M8: 3,439,105 km (0.073 R)
• M9: 4,108,855 km (0.11 R)
• M10: 4,559,594 km (0.101 R)
• M11: 4,878,087 km (0.059 R)
• M12: 5,352,313 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 10.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.8 AU - 0.98 AU

Year: 542 Days

Day: 13.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,303,157 km

• M1: 131,497 km (0.106 R)
• M2: 506,239 km (0.1 R)
• M3: 872,006 km (0.094 R)
• M4: 1,332,618 km (0.07 R)
• M5: 1,697,038 km (0.062 R)
• M6: 3,069,300 km (0.114 R)
• M7: 3,419,807 km (0.116 R)
• M8: 3,738,301 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93

Radius: 10.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.04 AU - 1.68 AU

Year: 1024 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,303,157 km

• M1: 131,048 km (0.096 R)
• M2: 512,074 km (0.05 R)
• M3: 900,729 km (0.113 R)
• M4: 1,390,662 km (0.101 R)
• M5: 2,236,937 km (0.099 R)
• M6: 2,734,649 km (0.119 R)
• M7: 3,571,649 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.8

Radius: 10.8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.67 AU - 1.73 AU

Year: 1431 Days

Day: 11 Hours

Environment

Temp: -175 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,303,157 km

• M1: 134,339 km (0.106 R)
• M2: 494,870 km (0.097 R)
• M3: 1,359,246 km (0.094 R)
• M4: 1,713,045 km (0.082 R)
• M5: 2,049,491 km (0.057 R)
• M6: 2,430,666 km (0.087 R)
• M7: 3,018,287 km (0.039 R)
• M8: 3,647,794 km (0.119 R)
• M9: 4,120,673 km (0.114 R)
• M10: 6,535,333 km (0.114 R)
• M11: 7,316,084 km (0.073 R)
• M12: 9,670,455 km (0.083 R)
• M13: 10,441,483 km (0.089 R)
• M14: 13,323,186 km (0.101 R)

Asteroid Belt

Center: 2.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 12.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.04 AU - 2.76 AU

Year: 2401 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,303,157 km

• M1: 164,857 km (0.078 R)
• M2: 736,022 km (0.118 R)
• M3: 1,286,841 km (0.114 R)
• M4: 1,715,439 km (0.099 R)
• M5: 2,214,048 km (0.099 R)
• M6: 3,137,367 km (0.103 R)
• M7: 3,659,463 km (0.1 R)
• M8: 4,973,232 km (0.075 R)
• M9: 6,957,498 km (0.041 R)
• M10: 8,012,612 km (0.117 R)
• M11: 9,459,971 km (0.067 R)
• M12: 12,336,588 km (0.085 R)
• M13: 13,229,239 km (0.084 R)
• M14: 14,746,760 km (0.058 R)
• M15: 15,803,818 km (0.105 R)
• M16: 16,324,718 km (0.081 R)
• M17: 17,018,852 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 10.4

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.26 AU - 2.76 AU

Year: 2568 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 166.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,303,157 km

• M1: 129,402 km (0.038 R)
• M2: 526,585 km (0.097 R)
• M3: 862,731 km (0.05 R)
• M4: 1,312,123 km (0.109 R)
• M5: 1,809,087 km (0.059 R)
• M6: 2,194,302 km (0.081 R)
• M7: 2,680,195 km (0.095 R)
• M8: 3,469,175 km (0.097 R)
• M9: 4,110,949 km (0.091 R)
• M10: 4,852,955 km (0.034 R)
• M11: 7,039,178 km (0.118 R)
• M12: 7,619,768 km (0.092 R)
• M13: 8,669,645 km (0.101 R)
• M14: 9,813,321 km (0.103 R)
• M15: 10,695,500 km (0.119 R)
• M16: 11,176,307 km (0.108 R)
• M17: 12,267,624 km (0.117 R)
• M18: 14,226,309 km (0.091 R)
• M19: 14,808,244 km (0.036 R)
• M20: 16,019,688 km (0.104 R)
• M21: 17,295,907 km (0.092 R)
• M22: 19,277,032 km (0.072 R)
• M23: 19,989,866 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 11.1

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.61 AU - 2.65 AU

Year: 2754 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,303,157 km

• M1: 138,079 km (0.065 R)
• M2: 509,082 km (0.084 R)
• M3: 980,165 km (0.062 R)
• M4: 1,395,000 km (0.069 R)
• M5: 1,891,515 km (0.077 R)
• M6: 2,988,367 km (0.065 R)
• M7: 3,572,248 km (0.044 R)
• M8: 4,556,003 km (0.077 R)
• M9: 5,356,053 km (0.087 R)
• M10: 6,584,550 km (0.093 R)
• M11: 7,481,390 km (0.111 R)
• M12: 7,992,117 km (0.065 R)
• M13: 9,591,019 km (0.082 R)
• M14: 11,770,809 km (0.068 R)
• M15: 12,287,072 km (0.064 R)
• M16: 12,639,674 km (0.037 R)
• M17: 13,365,074 km (0.071 R)
• M18: 14,849,384 km (0.063 R)
• M19: 15,199,293 km (0.104 R)
• M20: 15,967,478 km (0.06 R)
• M21: 17,305,332 km (0.097 R)
• M22: 18,029,835 km (0.111 R)
• M23: 19,658,806 km (0.072 R)
• M24: 20,386,300 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.2

Radius: 14

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.5 AU - 5.02 AU

Year: 5677 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,303,157 km

• M1: 176,226 km (0.081 R)
• M2: 612,454 km (0.053 R)
• M3: 1,079,349 km (0.11 R)
• M4: 1,541,008 km (0.102 R)
• M5: 2,869,586 km (0.102 R)
• M6: 3,479,646 km (0.053 R)
• M7: 4,130,547 km (0.07 R)
• M8: 5,650,312 km (0.119 R)
• M9: 6,134,111 km (0.108 R)
• M10: 7,686,039 km (0.095 R)
• M11: 9,605,230 km (0.118 R)
• M12: 10,172,506 km (0.09 R)
• M13: 13,204,106 km (0.037 R)
• M14: 13,703,315 km (0.09 R)
• M15: 14,370,970 km (0.112 R)
• M16: 15,771,804 km (0.064 R)
• M17: 16,793,707 km (0.031 R)
• M18: 17,439,521 km (0.115 R)
• M19: 18,224,312 km (0.089 R)
• M20: 21,123,519 km (0.108 R)
• M21: 22,435,342 km (0.116 R)
• M22: 24,392,082 km (0.097 R)
• M23: 24,993,167 km (0.078 R)
• M24: 25,603,975 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 18,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit