🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 12

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.55 AU - 0.91 AU

Year: 416 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,960,195 km

• M1: 149,299 km (0.052 R)
• M2: 731,384 km (0.1 R)
• M3: 1,119,441 km (0.075 R)
• M4: 1,568,683 km (0.116 R)
• M5: 1,999,525 km (0.055 R)
• M6: 2,665,086 km (0.112 R)
• M7: 3,096,676 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 10.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.51 AU - 2.01 AU

Year: 1557 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,960,195 km

• M1: 133,142 km (0.054 R)
• M2: 731,833 km (0.108 R)
• M3: 1,353,861 km (0.072 R)
• M4: 1,788,293 km (0.086 R)
• M5: 2,159,744 km (0.048 R)
• M6: 2,623,049 km (0.059 R)
• M7: 3,136,619 km (0.092 R)
• M8: 3,942,951 km (0.082 R)
• M9: 4,347,613 km (0.092 R)
• M10: 5,262,404 km (0.082 R)
• M11: 5,916,895 km (0.025 R)
• M12: 6,325,297 km (0.1 R)
• M13: 6,675,805 km (0.096 R)
• M14: 7,012,699 km (0.113 R)
• M15: 7,609,146 km (0.076 R)
• M16: 8,238,953 km (0.035 R)
• M17: 8,688,046 km (0.105 R)
• M18: 9,832,918 km (0.072 R)
• M19: 12,420,363 km (0.064 R)
• M20: 13,172,392 km (0.09 R)
• M21: 13,662,774 km (0.063 R)
• M22: 14,250,394 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 11.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.9 AU - 2.6 AU

Year: 2251 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,960,195 km

• M1: 147,504 km (0.028 R)
• M2: 528,380 km (0.115 R)
• M3: 962,363 km (0.061 R)
• M4: 1,622,090 km (0.032 R)
• M5: 2,118,605 km (0.081 R)
• M6: 3,341,568 km (0.114 R)
• M7: 3,846,012 km (0.102 R)
• M8: 4,637,534 km (0.065 R)
• M9: 6,121,694 km (0.118 R)
• M10: 7,729,124 km (0.08 R)
• M11: 8,402,912 km (0.084 R)
• M12: 8,831,959 km (0.09 R)
• M13: 9,969,053 km (0.091 R)
• M14: 10,875,167 km (0.113 R)
• M15: 12,297,244 km (0.086 R)
• M16: 14,223,317 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 14

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.86 AU - 3.26 AU

Year: 3570 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,960,195 km

• M1: 174,132 km (0.083 R)
• M2: 870,809 km (0.097 R)
• M3: 1,895,854 km (0.055 R)
• M4: 2,332,979 km (0.1 R)
• M5: 3,697,461 km (0.092 R)
• M6: 4,347,613 km (0.084 R)
• M7: 4,884,520 km (0.107 R)
• M8: 6,312,282 km (0.118 R)
• M9: 6,884,644 km (0.067 R)
• M10: 10,284,854 km (0.085 R)
• M11: 10,998,286 km (0.075 R)
• M12: 13,292,220 km (0.062 R)
• M13: 13,758,367 km (0.074 R)
• M14: 16,681,958 km (0.049 R)
• M15: 17,835,806 km (0.096 R)
• M16: 18,403,680 km (0.116 R)
• M17: 19,396,710 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.7

Radius: 11.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.85 AU - 4.29 AU

Year: 4498 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,960,195 km

• M1: 141,819 km (0.105 R)
• M2: 565,480 km (0.108 R)
• M3: 1,031,777 km (0.075 R)
• M4: 1,499,569 km (0.119 R)
• M5: 1,971,700 km (0.09 R)
• M6: 4,171,088 km (0.113 R)
• M7: 5,168,158 km (0.102 R)
• M8: 5,821,900 km (0.057 R)
• M9: 7,195,658 km (0.042 R)
• M10: 8,046,720 km (0.075 R)
• M11: 8,441,808 km (0.09 R)
• M12: 9,193,687 km (0.064 R)
• M13: 10,030,537 km (0.108 R)
• M14: 11,402,649 km (0.065 R)
• M15: 12,040,684 km (0.087 R)
• M16: 15,928,732 km (0.102 R)
• M17: 25,299,992 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.7

Radius: 14.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.98 AU - 4.2 AU

Year: 5516 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,960,195 km

• M1: 177,872 km (0.052 R)
• M2: 882,927 km (0.107 R)
• M3: 1,334,563 km (0.112 R)
• M4: 1,870,123 km (0.037 R)
• M5: 2,335,522 km (0.113 R)
• M6: 2,845,052 km (0.12 R)
• M7: 3,567,460 km (0.099 R)
• M8: 4,694,232 km (0.099 R)
• M9: 6,399,797 km (0.083 R)
• M10: 6,955,703 km (0.113 R)
• M11: 7,476,902 km (0.103 R)
• M12: 8,415,628 km (0.078 R)
• M13: 10,318,962 km (0.056 R)
• M14: 10,998,585 km (0.102 R)
• M15: 11,617,621 km (0.076 R)
• M16: 12,353,493 km (0.063 R)
• M17: 13,169,101 km (0.118 R)
• M18: 15,015,138 km (0.081 R)
• M19: 18,038,960 km (0.034 R)
• M20: 18,963,624 km (0.067 R)
• M21: 19,855,078 km (0.081 R)
• M22: 20,707,636 km (0.035 R)
• M23: 24,736,906 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.2

Radius: 6.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.66 AU - 10.16 AU

Year: 17736 Days

Day: 23.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,960,195 km

• M1: 615,595 km (0.059 R)
• M2: 1,015,919 km (0.073 R)
• M3: 1,867,281 km (0.095 R)
• M4: 2,564,556 km (0.081 R)
• M5: 3,660,361 km (0.097 R)
• M6: 4,437,671 km (0.07 R)
• M7: 5,558,309 km (0.102 R)
• M8: 10,117,603 km (0.068 R)
• M9: 11,371,981 km (0.116 R)
• M10: 13,443,014 km (0.102 R)
• M11: 22,625,032 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 13,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit