🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 8.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.74 AU - 0.92 AU

Year: 513 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,553,849 km

• M1: 104,719 km (0.082 R)
• M2: 486,043 km (0.084 R)
• M3: 789,129 km (0.113 R)
• M4: 1,234,482 km (0.085 R)
• M5: 1,510,639 km (0.095 R)
• M6: 1,871,021 km (0.115 R)
• M7: 2,433,509 km (0.106 R)
• M8: 2,832,187 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 9.4

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.99 AU - 1.63 AU

Year: 1017 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,553,849 km

• M1: 116,986 km (0.105 R)
• M2: 494,271 km (0.066 R)
• M3: 914,791 km (0.103 R)
• M4: 1,248,394 km (0.101 R)
• M5: 1,577,360 km (0.114 R)
• M6: 1,905,578 km (0.102 R)
• M7: 2,257,581 km (0.113 R)
• M8: 2,919,851 km (0.108 R)
• M9: 3,289,807 km (0.081 R)
• M10: 3,895,529 km (0.068 R)
• M11: 4,345,220 km (0.076 R)
• M12: 4,903,818 km (0.025 R)
• M13: 5,632,509 km (0.081 R)
• M14: 6,637,059 km (0.092 R)
• M15: 7,157,809 km (0.028 R)
• M16: 7,937,663 km (0.115 R)
• M17: 8,470,082 km (0.056 R)
• M18: 9,576,807 km (0.055 R)
• M19: 10,304,152 km (0.113 R)
• M20: 10,649,723 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 13.6

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.09 AU - 2.77 AU

Year: 2569 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,553,849 km

• M1: 176,226 km (0.079 R)
• M2: 657,931 km (0.068 R)
• M3: 1,671,607 km (0.047 R)
• M4: 2,103,047 km (0.096 R)
• M5: 3,815,793 km (0.109 R)
• M6: 4,356,739 km (0.1 R)
• M7: 5,190,448 km (0.073 R)
• M8: 6,073,225 km (0.118 R)
• M9: 6,550,891 km (0.043 R)
• M10: 7,114,576 km (0.068 R)
• M11: 8,137,227 km (0.084 R)
• M12: 10,237,880 km (0.113 R)
• M13: 10,673,808 km (0.064 R)
• M14: 12,056,990 km (0.065 R)
• M15: 13,274,866 km (0.114 R)
• M16: 13,938,034 km (0.09 R)
• M17: 17,033,214 km (0.115 R)
• M18: 20,064,515 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 8.5

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.55 AU - 3.09 AU

Year: 3212 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,553,849 km

• M1: 105,766 km (0.056 R)
• M2: 613,650 km (0.077 R)
• M3: 1,120,488 km (0.091 R)
• M4: 1,909,467 km (0.112 R)
• M5: 2,409,723 km (0.059 R)
• M6: 2,722,232 km (0.066 R)
• M7: 3,845,862 km (0.071 R)
• M8: 4,190,536 km (0.105 R)
• M9: 4,644,864 km (0.092 R)
• M10: 4,989,239 km (0.111 R)
• M11: 10,484,866 km (0.036 R)
• M12: 11,281,923 km (0.113 R)
• M13: 11,570,199 km (0.071 R)
• M14: 17,640,880 km (0.045 R)
• M15: 18,311,079 km (0.097 R)
• M16: 19,583,408 km (0.107 R)
• M17: 20,301,777 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 11.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.77 AU - 4.59 AU

Year: 4788 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,553,849 km

• M1: 138,378 km (0.092 R)
• M2: 535,560 km (0.119 R)
• M3: 1,048,681 km (0.064 R)
• M4: 1,714,092 km (0.114 R)
• M5: 3,815,643 km (0.052 R)
• M6: 4,433,632 km (0.102 R)
• M7: 5,668,114 km (0.067 R)
• M8: 8,424,903 km (0.119 R)
• M9: 11,878,071 km (0.114 R)
• M10: 14,074,168 km (0.074 R)
• M11: 16,120,068 km (0.025 R)
• M12: 18,420,135 km (0.104 R)
• M13: 19,254,892 km (0.114 R)
• M14: 20,384,206 km (0.119 R)
• M15: 20,862,021 km (0.081 R)
• M16: 22,921,087 km (0.026 R)
• M17: 25,268,427 km (0.088 R)
• M18: 25,740,558 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 8.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.69 AU - 3.77 AU

Year: 4886 Days

Day: 6.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,553,849 km

• M1: 105,915 km (0.114 R)
• M2: 450,290 km (0.094 R)
• M3: 744,848 km (0.109 R)
• M4: 1,018,761 km (0.027 R)
• M5: 1,594,414 km (0.086 R)
• M6: 1,879,398 km (0.084 R)
• M7: 2,298,721 km (0.036 R)
• M8: 2,746,318 km (0.066 R)
• M9: 3,555,343 km (0.089 R)
• M10: 4,025,978 km (0.082 R)
• M11: 4,749,583 km (0.043 R)
• M12: 5,192,991 km (0.119 R)
• M13: 6,306,897 km (0.087 R)
• M14: 6,873,873 km (0.119 R)
• M15: 8,075,293 km (0.085 R)
• M16: 8,528,874 km (0.03 R)
• M17: 8,816,401 km (0.114 R)
• M18: 9,525,495 km (0.098 R)
• M19: 9,992,390 km (0.116 R)
• M20: 11,269,806 km (0.102 R)
• M21: 12,014,803 km (0.079 R)
• M22: 13,700,323 km (0.113 R)
• M23: 14,195,192 km (0.03 R)
• M24: 15,805,464 km (0.073 R)
• M25: 16,130,690 km (0.096 R)
• M26: 17,882,481 km (0.114 R)
• M27: 18,834,671 km (0.081 R)
• M28: 19,882,903 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.5

Radius: 7.2

Gravity: 16.08 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.74 AU - 9.78 AU

Year: 17585 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,553,849 km

• M1: 89,609 km (0.047 R)
• M2: 330,910 km (0.074 R)
• M3: 650,152 km (0.083 R)
• M4: 1,849,927 km (0.093 R)
• M5: 2,645,788 km (0.066 R)
• M6: 2,990,611 km (0.112 R)
• M7: 3,254,950 km (0.1 R)
• M8: 4,305,876 km (0.036 R)
• M9: 5,606,479 km (0.107 R)
• M10: 6,346,540 km (0.099 R)
• M11: 6,920,397 km (0.04 R)
• M12: 7,196,705 km (0.085 R)
• M13: 12,143,757 km (0.073 R)
• M14: 13,448,849 km (0.094 R)
• M15: 16,335,190 km (0.061 R)
• M16: 19,246,215 km (0.074 R)
• M17: 22,385,526 km (0.104 R)
• M18: 22,787,795 km (0.096 R)
• M19: 24,658,217 km (0.118 R)
• M20: 29,777,606 km (0.086 R)
• M21: 31,128,774 km (0.085 R)
• M22: 32,136,615 km (0.104 R)
• M23: 34,751,585 km (0.112 R)
• M24: 35,291,035 km (0.079 R)
• M25: 38,215,225 km (0.101 R)
• M26: 38,501,854 km (0.103 R)
• M27: 41,297,240 km (0.119 R)
• M28: 41,750,522 km (0.11 R)
• M29: 42,054,654 km (0.101 R)
• M30: 47,453,043 km (0.071 R)
• M31: 51,355,603 km (0.094 R)
• M32: 53,474,357 km (0.083 R)
• M33: 55,467,001 km (0.027 R)
• M34: 57,133,671 km (0.068 R)
• M35: 70,820,380 km (0.052 R)
• M36: 74,553,894 km (0.052 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 10,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit