🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 13

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.06 AU - 1.16 AU

Year: 755 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,766,050 km

• M1: 161,865 km (0.111 R)
• M2: 609,462 km (0.075 R)
• M3: 1,177,335 km (0.078 R)
• M4: 1,708,258 km (0.086 R)
• M5: 2,177,247 km (0.085 R)
• M6: 2,885,893 km (0.106 R)
• M7: 3,806,518 km (0.117 R)
• M8: 4,212,526 km (0.117 R)
• M9: 4,794,462 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.9

Radius: 14.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.61 AU - 1.89 AU

Year: 1495 Days

Day: 12.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,766,050 km

• M1: 182,809 km (0.118 R)
• M2: 648,208 km (0.099 R)
• M3: 1,214,735 km (0.059 R)
• M4: 1,919,640 km (0.089 R)
• M5: 2,628,734 km (0.033 R)
• M6: 3,493,709 km (0.118 R)
• M7: 4,471,780 km (0.089 R)
• M8: 5,443,717 km (0.078 R)
• M9: 6,023,259 km (0.069 R)
• M10: 8,437,769 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 10.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.89 AU - 2.63 AU

Year: 2194 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,766,050 km

• M1: 125,662 km (0.105 R)
• M2: 624,422 km (0.047 R)
• M3: 970,741 km (0.119 R)
• M4: 1,348,774 km (0.09 R)
• M5: 1,781,711 km (0.08 R)
• M6: 2,372,024 km (0.095 R)
• M7: 2,691,864 km (0.091 R)
• M8: 3,056,584 km (0.054 R)
• M9: 4,115,737 km (0.12 R)
• M10: 4,794,313 km (0.059 R)
• M11: 5,763,707 km (0.093 R)
• M12: 7,426,936 km (0.079 R)
• M13: 7,934,073 km (0.077 R)
• M14: 11,166,434 km (0.087 R)
• M15: 12,400,915 km (0.084 R)
• M16: 12,902,517 km (0.081 R)
• M17: 13,636,145 km (0.101 R)
• M18: 14,306,344 km (0.044 R)
• M19: 15,857,973 km (0.049 R)
• M20: 16,902,016 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.8

Radius: 12.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.85 AU - 2.73 AU

Year: 2238 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,766,050 km

• M1: 159,172 km (0.107 R)
• M2: 559,646 km (0.095 R)
• M3: 1,006,494 km (0.094 R)
• M4: 1,456,784 km (0.074 R)
• M5: 1,953,748 km (0.058 R)
• M6: 2,471,207 km (0.115 R)
• M7: 2,988,965 km (0.088 R)
• M8: 4,038,993 km (0.047 R)
• M9: 4,578,592 km (0.066 R)
• M10: 5,210,195 km (0.045 R)
• M11: 5,709,552 km (0.104 R)
• M12: 6,117,356 km (0.115 R)
• M13: 6,778,728 km (0.075 R)
• M14: 7,209,121 km (0.081 R)
• M15: 8,830,314 km (0.11 R)
• M16: 10,611,127 km (0.037 R)
• M17: 11,193,062 km (0.11 R)
• M18: 11,719,497 km (0.079 R)
• M19: 12,341,525 km (0.075 R)
• M20: 13,232,530 km (0.097 R)
• M21: 13,651,554 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 12.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.47 AU - 3.55 AU

Year: 3372 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,766,050 km

• M1: 155,582 km (0.045 R)
• M2: 557,551 km (0.09 R)
• M3: 974,630 km (0.105 R)
• M4: 1,821,803 km (0.08 R)
• M5: 2,274,037 km (0.109 R)
• M6: 3,113,132 km (0.09 R)
• M7: 3,605,159 km (0.063 R)
• M8: 4,675,233 km (0.042 R)
• M9: 5,508,044 km (0.115 R)
• M10: 8,356,238 km (0.078 R)
• M11: 8,825,676 km (0.056 R)
• M12: 9,582,492 km (0.064 R)
• M13: 10,057,166 km (0.104 R)
• M14: 10,925,432 km (0.101 R)
• M15: 11,888,094 km (0.089 R)
• M16: 13,193,934 km (0.058 R)
• M17: 13,931,900 km (0.084 R)
• M18: 17,161,569 km (0.116 R)
• M19: 22,271,383 km (0.088 R)
• M20: 24,105,602 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.4

Radius: 13.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.02 AU - 4.98 AU

Year: 5165 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,766,050 km

• M1: 163,959 km (0.037 R)
• M2: 576,849 km (0.104 R)
• M3: 1,037,910 km (0.102 R)
• M4: 1,619,247 km (0.099 R)
• M5: 2,397,605 km (0.116 R)
• M6: 3,193,466 km (0.103 R)
• M7: 4,182,457 km (0.076 R)
• M8: 6,376,310 km (0.092 R)
• M9: 10,791,093 km (0.043 R)
• M10: 11,717,552 km (0.034 R)
• M11: 12,496,209 km (0.11 R)
• M12: 15,324,207 km (0.084 R)
• M13: 18,295,969 km (0.095 R)
• M14: 20,640,916 km (0.065 R)
• M15: 21,062,183 km (0.08 R)
• M16: 22,287,091 km (0.057 R)
• M17: 25,677,278 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.7

Radius: 12.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.28 AU - 6.44 AU

Year: 8012 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,766,050 km

• M1: 158,723 km (0.113 R)
• M2: 574,456 km (0.096 R)
• M3: 1,291,628 km (0.1 R)
• M4: 1,793,230 km (0.078 R)
• M5: 2,313,980 km (0.063 R)
• M6: 6,937,302 km (0.108 R)
• M7: 7,413,173 km (0.12 R)
• M8: 12,558,143 km (0.036 R)
• M9: 12,997,961 km (0.067 R)
• M10: 13,769,287 km (0.098 R)
• M11: 18,147,418 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.3

Radius: 3.1

Gravity: 28.02 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.4 AU - 7.1 AU

Year: 10089 Days

Day: 20.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,766,050 km

• M1: 55,351 km (0.119 R)
• M2: 230,979 km (0.051 R)
• M3: 473,477 km (0.025 R)
• M4: 1,049,429 km (0.073 R)
• M5: 1,216,530 km (0.104 R)
• M6: 2,020,768 km (0.065 R)
• M7: 2,229,607 km (0.079 R)
• M8: 2,365,142 km (0.118 R)
• M9: 2,652,520 km (0.04 R)
• M10: 9,506,197 km (0.114 R)
• M11: 10,508,502 km (0.069 R)
• M12: 13,262,749 km (0.069 R)
• M13: 21,025,682 km (0.076 R)
• M14: 21,936,882 km (0.053 R)
• M15: 27,692,511 km (0.117 R)
• M16: 32,640,311 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.2

Radius: 7.7

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.1 AU - 8.38 AU

Year: 12578 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,766,050 km

• M1: 96,341 km (0.086 R)
• M2: 809,025 km (0.065 R)
• M3: 1,866,233 km (0.11 R)
• M4: 7,435,762 km (0.076 R)
• M5: 8,081,875 km (0.108 R)
• M6: 14,605,539 km (0.116 R)
• M7: 17,254,618 km (0.11 R)
• M8: 27,269,597 km (0.116 R)
• M9: 31,154,804 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit