🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.2

Radius: 10.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.62 AU - 0.76 AU

Year: 370 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,910,369 km

• M1: 134,638 km (0.109 R)
• M2: 506,090 km (0.059 R)
• M3: 1,018,761 km (0.076 R)
• M4: 1,529,788 km (0.029 R)
• M5: 2,173,208 km (0.037 R)
• M6: 2,553,486 km (0.068 R)
• M7: 3,075,283 km (0.089 R)
• M8: 3,485,780 km (0.087 R)
• M9: 3,997,554 km (0.077 R)
• M10: 4,559,145 km (0.088 R)
• M11: 4,896,787 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 10.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.05 AU - 1.21 AU

Year: 776 Days

Day: 7.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,910,369 km

• M1: 126,859 km (0.048 R)
• M2: 486,642 km (0.056 R)
• M3: 1,006,943 km (0.103 R)
• M4: 1,425,219 km (0.081 R)
• M5: 2,106,637 km (0.074 R)
• M6: 3,103,408 km (0.088 R)
• M7: 3,426,240 km (0.103 R)
• M8: 3,945,644 km (0.039 R)
• M9: 4,278,798 km (0.089 R)
• M10: 4,630,802 km (0.102 R)
• M11: 4,984,900 km (0.062 R)
• M12: 5,882,338 km (0.045 R)
• M13: 6,318,715 km (0.097 R)
• M14: 7,189,973 km (0.06 R)
• M15: 8,139,321 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 12.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.51 AU - 1.61 AU

Year: 1258 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 62.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,910,369 km

• M1: 151,991 km (0.091 R)
• M2: 547,379 km (0.112 R)
• M3: 1,089,671 km (0.073 R)
• M4: 1,479,673 km (0.078 R)
• M5: 2,798,677 km (0.033 R)
• M6: 3,722,593 km (0.093 R)
• M7: 4,368,407 km (0.11 R)
• M8: 4,822,287 km (0.119 R)
• M9: 6,005,307 km (0.112 R)
• M10: 6,440,039 km (0.067 R)
• M11: 6,940,294 km (0.116 R)
• M12: 7,372,931 km (0.095 R)
• M13: 7,994,361 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.6

Radius: 8.3

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.84 AU - 2.4 AU

Year: 1993 Days

Day: 14.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,910,369 km

• M1: 103,522 km (0.062 R)
• M2: 422,464 km (0.09 R)
• M3: 1,076,207 km (0.101 R)
• M4: 1,393,055 km (0.075 R)
• M5: 2,159,445 km (0.119 R)
• M6: 2,562,013 km (0.11 R)
• M7: 2,969,518 km (0.084 R)
• M8: 3,635,827 km (0.112 R)
• M9: 4,674,933 km (0.096 R)
• M10: 5,026,339 km (0.097 R)
• M11: 6,871,030 km (0.112 R)
• M12: 7,244,576 km (0.089 R)
• M13: 7,519,537 km (0.114 R)
• M14: 11,461,890 km (0.116 R)
• M15: 11,987,726 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 12.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3 AU - 3.64 AU

Year: 3906 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,910,369 km

• M1: 157,975 km (0.072 R)
• M2: 654,341 km (0.112 R)
• M3: 1,295,069 km (0.101 R)
• M4: 2,156,902 km (0.12 R)
• M5: 2,905,939 km (0.096 R)
• M6: 3,312,845 km (0.048 R)
• M7: 5,341,093 km (0.104 R)
• M8: 6,342,651 km (0.086 R)
• M9: 6,969,017 km (0.088 R)
• M10: 8,273,061 km (0.119 R)
• M11: 9,612,411 km (0.108 R)
• M12: 10,525,407 km (0.055 R)
• M13: 11,180,496 km (0.115 R)
• M14: 11,723,985 km (0.092 R)
• M15: 12,332,549 km (0.103 R)
• M16: 13,060,941 km (0.082 R)
• M17: 14,657,001 km (0.107 R)
• M18: 15,089,339 km (0.117 R)
• M19: 16,669,691 km (0.119 R)
• M20: 17,864,230 km (0.062 R)
• M21: 19,631,579 km (0.094 R)
• M22: 20,490,570 km (0.039 R)
• M23: 23,658,604 km (0.11 R)
• M24: 27,058,814 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 15

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.88 AU - 4.24 AU

Year: 4337 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,910,369 km

• M1: 186,997 km (0.12 R)
• M2: 1,385,875 km (0.035 R)
• M3: 1,905,428 km (0.067 R)
• M4: 2,434,556 km (0.12 R)
• M5: 3,177,160 km (0.102 R)
• M6: 4,261,146 km (0.114 R)
• M7: 4,782,195 km (0.09 R)
• M8: 6,878,211 km (0.113 R)
• M9: 8,513,166 km (0.111 R)
• M10: 9,132,202 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 8.2

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.78 AU - 6 AU

Year: 9230 Days

Day: 7.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,910,369 km

• M1: 104,569 km (0.035 R)
• M2: 504,145 km (0.1 R)
• M3: 1,281,007 km (0.103 R)
• M4: 1,921,734 km (0.038 R)
• M5: 2,988,068 km (0.085 R)
• M6: 3,976,910 km (0.103 R)
• M7: 5,949,208 km (0.044 R)
• M8: 8,672,338 km (0.114 R)
• M9: 9,675,990 km (0.117 R)
• M10: 10,704,476 km (0.117 R)
• M11: 12,804,979 km (0.108 R)
• M12: 13,209,193 km (0.068 R)
• M13: 14,534,929 km (0.11 R)
• M14: 15,294,438 km (0.097 R)
• M15: 17,660,777 km (0.032 R)
• M16: 21,774,269 km (0.099 R)
• M17: 26,484,508 km (0.05 R)
• M18: 28,780,237 km (0.111 R)
• M19: 30,382,430 km (0.046 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit