🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.4

Radius: 13.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.54 AU - 0.6 AU

Year: 292 Days

Day: 6.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,294,880 km

• M1: 165,455 km (0.036 R)
• M2: 618,288 km (0.051 R)
• M3: 1,116,898 km (0.118 R)
• M4: 1,694,046 km (0.075 R)
• M5: 2,406,282 km (0.088 R)
• M6: 3,151,130 km (0.104 R)
• M7: 3,670,982 km (0.08 R)
• M8: 4,326,071 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 8.8

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 14.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,294,880 km

• M1: 109,506 km (0.119 R)
• M2: 406,757 km (0.102 R)
• M3: 1,034,170 km (0.117 R)
• M4: 1,376,001 km (0.102 R)
• M5: 1,698,085 km (0.104 R)
• M6: 2,171,862 km (0.054 R)
• M7: 2,603,452 km (0.109 R)
• M8: 3,277,689 km (0.089 R)
• M9: 3,616,529 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 8.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 12.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,294,880 km

• M1: 110,104 km (0.115 R)
• M2: 405,410 km (0.066 R)
• M3: 727,195 km (0.083 R)
• M4: 1,144,274 km (0.114 R)
• M5: 1,477,429 km (0.119 R)
• M6: 1,823,598 km (0.104 R)
• M7: 2,149,123 km (0.093 R)
• M8: 2,672,416 km (0.082 R)
• M9: 2,969,667 km (0.111 R)
• M10: 3,333,489 km (0.088 R)
• M11: 3,655,424 km (0.061 R)
• M12: 3,947,589 km (0.105 R)
• M13: 4,497,062 km (0.088 R)
• M14: 4,993,128 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.6

Radius: 11.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.81 AU - 1.13 AU

Year: 648 Days

Day: 13.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,294,880 km

• M1: 140,173 km (0.083 R)
• M2: 650,152 km (0.115 R)
• M3: 1,681,181 km (0.03 R)
• M4: 2,164,232 km (0.114 R)
• M5: 2,583,854 km (0.075 R)
• M6: 3,648,991 km (0.038 R)
• M7: 4,154,632 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 9.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.74 AU - 1.22 AU

Year: 658 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,294,880 km

• M1: 125,363 km (0.094 R)
• M2: 598,990 km (0.067 R)
• M3: 1,203,814 km (0.084 R)
• M4: 1,804,749 km (0.093 R)
• M5: 2,957,999 km (0.068 R)
• M6: 3,643,157 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 9.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.46 AU - 4.18 AU

Year: 5064 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,294,880 km

• M1: 113,096 km (0.095 R)
• M2: 415,583 km (0.113 R)
• M3: 962,214 km (0.11 R)
• M4: 1,748,201 km (0.119 R)
• M5: 2,623,647 km (0.106 R)
• M6: 4,460,261 km (0.098 R)
• M7: 5,540,656 km (0.053 R)
• M8: 6,494,792 km (0.072 R)
• M9: 7,117,717 km (0.083 R)
• M10: 7,650,734 km (0.065 R)
• M11: 8,517,056 km (0.106 R)
• M12: 9,336,553 km (0.074 R)
• M13: 10,603,198 km (0.082 R)
• M14: 11,937,312 km (0.108 R)
• M15: 13,901,681 km (0.071 R)
• M16: 15,966,730 km (0.098 R)
• M17: 17,658,233 km (0.036 R)
• M18: 18,286,096 km (0.051 R)
• M19: 19,225,870 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762

Radius: 7.2

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.05 AU - 6.37 AU

Year: 10496 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,294,880 km

• M1: 89,759 km (0.101 R)
• M2: 612,753 km (0.088 R)
• M3: 968,945 km (0.107 R)
• M4: 1,262,456 km (0.101 R)
• M5: 1,799,064 km (0.104 R)
• M6: 2,137,903 km (0.098 R)
• M7: 3,221,441 km (0.1 R)
• M8: 4,755,567 km (0.072 R)
• M9: 5,041,299 km (0.102 R)
• M10: 5,681,877 km (0.034 R)
• M11: 5,967,459 km (0.116 R)
• M12: 6,606,092 km (0.113 R)
• M13: 7,842,968 km (0.089 R)
• M14: 10,552,634 km (0.068 R)
• M15: 10,930,219 km (0.085 R)
• M16: 11,372,580 km (0.062 R)
• M17: 14,413,007 km (0.087 R)
• M18: 15,147,981 km (0.081 R)
• M19: 15,977,950 km (0.085 R)
• M20: 16,261,289 km (0.083 R)
• M21: 17,205,251 km (0.065 R)
• M22: 17,879,788 km (0.096 R)
• M23: 20,009,314 km (0.087 R)
• M24: 20,755,209 km (0.12 R)
• M25: 21,519,504 km (0.049 R)
• M26: 21,778,308 km (0.107 R)
• M27: 22,302,350 km (0.035 R)
• M28: 25,049,266 km (0.051 R)
• M29: 26,012,826 km (0.075 R)
• M30: 26,602,690 km (0.099 R)
• M31: 28,529,660 km (0.111 R)
• M32: 32,206,626 km (0.063 R)
• M33: 35,462,624 km (0.037 R)
• M34: 39,573,723 km (0.117 R)
• M35: 43,439,482 km (0.052 R)
• M36: 44,969,419 km (0.068 R)
• M37: 47,403,825 km (0.043 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: 394 - 10,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit