🌌 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: 618.8

Radius: 14.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.52 AU - 0.86 AU

Year: 403 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,838,860 km

• M1: 181,612 km (0.101 R)
• M2: 645,365 km (0.067 R)
• M3: 1,146,219 km (0.093 R)
• M4: 1,715,738 km (0.064 R)
• M5: 2,456,098 km (0.063 R)
• M6: 3,169,680 km (0.095 R)
• M7: 3,842,721 km (0.057 R)
• M8: 4,456,820 km (0.059 R)
• M9: 5,105,775 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 10.1

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.68 AU - 0.84 AU

Year: 466 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,838,860 km

• M1: 125,662 km (0.105 R)
• M2: 716,873 km (0.057 R)
• M3: 1,165,966 km (0.104 R)
• M4: 1,534,276 km (0.029 R)
• M5: 2,157,500 km (0.102 R)
• M6: 2,492,749 km (0.027 R)
• M7: 3,381,061 km (0.118 R)
• M8: 4,482,850 km (0.094 R)
• M9: 5,083,336 km (0.118 R)
• M10: 5,736,779 km (0.091 R)
• M11: 6,196,493 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 8.2

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.91 AU - 1.01 AU

Year: 661 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,838,860 km

• M1: 109,954 km (0.092 R)
• M2: 378,782 km (0.112 R)
• M3: 690,394 km (0.109 R)
• M4: 1,019,061 km (0.066 R)
• M5: 1,295,069 km (0.109 R)
• M6: 1,779,167 km (0.06 R)
• M7: 2,068,639 km (0.106 R)
• M8: 2,337,317 km (0.114 R)
• M9: 2,697,698 km (0.09 R)
• M10: 3,354,283 km (0.075 R)
• M11: 4,379,328 km (0.073 R)
• M12: 5,230,241 km (0.099 R)
• M13: 5,927,816 km (0.072 R)
• M14: 6,793,239 km (0.095 R)
• M15: 7,077,475 km (0.095 R)
• M16: 7,954,119 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 13

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.4 AU - 1.58 AU

Year: 1278 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,838,860 km

• M1: 161,715 km (0.113 R)
• M2: 601,683 km (0.041 R)
• M3: 1,015,321 km (0.069 R)
• M4: 1,798,466 km (0.112 R)
• M5: 2,378,307 km (0.115 R)
• M6: 2,967,423 km (0.12 R)
• M7: 3,609,647 km (0.111 R)
• M8: 4,310,513 km (0.119 R)
• M9: 5,173,543 km (0.1 R)
• M10: 5,843,891 km (0.103 R)
• M11: 7,836,385 km (0.05 R)
• M12: 8,565,525 km (0.047 R)
• M13: 9,202,962 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.3

Radius: 10

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.69 AU - 4.97 AU

Year: 6333 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,838,860 km

• M1: 127,757 km (0.064 R)
• M2: 467,942 km (0.045 R)
• M3: 793,617 km (0.099 R)
• M4: 1,378,993 km (0.048 R)
• M5: 1,881,941 km (0.059 R)
• M6: 2,365,890 km (0.035 R)
• M7: 2,739,735 km (0.063 R)
• M8: 3,934,873 km (0.098 R)
• M9: 4,840,688 km (0.118 R)
• M10: 5,911,659 km (0.104 R)
• M11: 6,708,866 km (0.083 R)
• M12: 7,061,618 km (0.083 R)
• M13: 7,463,737 km (0.084 R)
• M14: 9,099,739 km (0.095 R)
• M15: 9,979,076 km (0.119 R)
• M16: 11,452,615 km (0.067 R)
• M17: 13,284,889 km (0.089 R)
• M18: 14,069,829 km (0.076 R)
• M19: 16,230,172 km (0.069 R)
• M20: 16,867,609 km (0.103 R)
• M21: 17,921,975 km (0.115 R)
• M22: 18,396,798 km (0.112 R)
• M23: 19,656,562 km (0.074 R)
• M24: 22,739,325 km (0.112 R)
• M25: 24,852,993 km (0.113 R)
• M26: 27,272,440 km (0.096 R)
• M27: 29,750,080 km (0.06 R)
• M28: 31,876,913 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 9.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.89 AU - 4.89 AU

Year: 6466 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,838,860 km

• M1: 116,686 km (0.067 R)
• M2: 443,258 km (0.051 R)
• M3: 792,270 km (0.08 R)
• M4: 1,611,767 km (0.041 R)
• M5: 2,020,170 km (0.096 R)
• M6: 2,648,780 km (0.079 R)
• M7: 3,104,455 km (0.067 R)
• M8: 3,611,891 km (0.073 R)
• M9: 3,987,681 km (0.063 R)
• M10: 4,389,650 km (0.117 R)
• M11: 4,870,607 km (0.038 R)
• M12: 5,358,446 km (0.045 R)
• M13: 8,226,985 km (0.117 R)
• M14: 8,723,351 km (0.088 R)
• M15: 9,443,665 km (0.103 R)
• M16: 10,289,940 km (0.113 R)
• M17: 11,139,805 km (0.119 R)
• M18: 14,900,247 km (0.033 R)
• M19: 15,351,733 km (0.099 R)
• M20: 16,942,856 km (0.065 R)
• M21: 18,576,316 km (0.081 R)
• M22: 20,450,029 km (0.091 R)
• M23: 22,741,868 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538

Radius: 6.5

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.45 AU - 7.19 AU

Year: 9869 Days

Day: 21 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,838,860 km

• M1: 83,176 km (0.118 R)
• M2: 400,324 km (0.074 R)
• M3: 701,016 km (0.102 R)
• M4: 1,227,151 km (0.103 R)
• M5: 1,501,364 km (0.098 R)
• M6: 2,226,166 km (0.072 R)
• M7: 2,462,979 km (0.095 R)
• M8: 2,966,227 km (0.077 R)
• M9: 3,584,215 km (0.071 R)
• M10: 4,800,147 km (0.115 R)
• M11: 5,885,330 km (0.091 R)
• M12: 7,973,118 km (0.119 R)
• M13: 10,409,020 km (0.095 R)
• M14: 11,232,107 km (0.042 R)
• M15: 14,707,116 km (0.114 R)
• M16: 32,730,518 km (0.111 R)
• M17: 41,013,902 km (0.052 R)
• M18: 42,154,436 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 14,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit