🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.51 AU - 0.53 AU

Year: 242 Days

Day: 15.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 8.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 13.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,335,242 km

• M1: 103,223 km (0.119 R)
• M2: 362,176 km (0.037 R)
• M3: 698,472 km (0.047 R)
• M4: 959,521 km (0.111 R)
• M5: 1,605,634 km (0.075 R)
• M6: 2,020,768 km (0.096 R)
• M7: 2,420,344 km (0.086 R)
• M8: 3,508,220 km (0.049 R)
• M9: 4,075,345 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 9.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.74 AU - 0.92 AU

Year: 488 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,335,242 km

• M1: 120,725 km (0.062 R)
• M2: 445,203 km (0.108 R)
• M3: 762,500 km (0.105 R)
• M4: 1,193,342 km (0.107 R)
• M5: 1,526,646 km (0.061 R)
• M6: 2,020,020 km (0.07 R)
• M7: 2,359,458 km (0.118 R)
• M8: 2,696,801 km (0.101 R)
• M9: 3,678,013 km (0.114 R)
• M10: 4,730,883 km (0.098 R)
• M11: 5,097,099 km (0.084 R)
• M12: 5,564,891 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 8.2

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.53 AU - 2.03 AU

Year: 1533 Days

Day: 11 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,335,242 km

• M1: 102,175 km (0.111 R)
• M2: 487,839 km (0.086 R)
• M3: 896,390 km (0.107 R)
• M4: 1,431,053 km (0.044 R)
• M5: 1,791,883 km (0.103 R)
• M6: 2,249,503 km (0.035 R)
• M7: 2,587,295 km (0.097 R)
• M8: 3,236,550 km (0.078 R)
• M9: 3,898,969 km (0.067 R)
• M10: 4,157,774 km (0.058 R)
• M11: 5,699,230 km (0.092 R)
• M12: 6,330,533 km (0.049 R)
• M13: 6,637,209 km (0.101 R)
• M14: 7,007,463 km (0.032 R)
• M15: 7,645,798 km (0.102 R)
• M16: 9,394,746 km (0.026 R)
• M17: 11,658,611 km (0.091 R)
• M18: 12,957,569 km (0.091 R)
• M19: 14,569,785 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.5

Radius: 14.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.2 AU - 4.04 AU

Year: 4447 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 153.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,335,242 km

• M1: 177,872 km (0.032 R)
• M2: 656,435 km (0.089 R)
• M3: 1,396,347 km (0.092 R)
• M4: 2,117,707 km (0.066 R)
• M5: 2,928,378 km (0.038 R)
• M6: 3,438,058 km (0.078 R)
• M7: 4,290,467 km (0.046 R)
• M8: 5,506,698 km (0.106 R)
• M9: 7,111,733 km (0.092 R)
• M10: 7,602,713 km (0.039 R)
• M11: 8,497,159 km (0.096 R)
• M12: 10,012,585 km (0.033 R)
• M13: 14,331,925 km (0.115 R)
• M14: 14,834,125 km (0.12 R)
• M15: 15,580,169 km (0.082 R)
• M16: 16,838,138 km (0.119 R)
• M17: 17,460,465 km (0.103 R)
• M18: 18,422,828 km (0.086 R)
• M19: 23,618,362 km (0.112 R)
• M20: 24,398,814 km (0.083 R)
• M21: 24,875,284 km (0.096 R)
• M22: 27,865,745 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.7

Radius: 7.5

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.89 AU - 6.73 AU

Year: 10234 Days

Day: 22.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,335,242 km

• M1: 93,499 km (0.056 R)
• M2: 388,057 km (0.089 R)
• M3: 711,936 km (0.093 R)
• M4: 1,077,404 km (0.091 R)
• M5: 1,522,308 km (0.065 R)
• M6: 2,693,061 km (0.082 R)
• M7: 2,994,501 km (0.093 R)
• M8: 3,900,914 km (0.051 R)
• M9: 6,851,732 km (0.058 R)
• M10: 7,333,437 km (0.063 R)
• M11: 8,961,361 km (0.119 R)
• M12: 9,198,474 km (0.117 R)
• M13: 9,985,508 km (0.117 R)
• M14: 11,031,497 km (0.075 R)
• M15: 11,525,170 km (0.115 R)
• M16: 15,813,243 km (0.081 R)
• M17: 17,157,829 km (0.082 R)
• M18: 17,450,442 km (0.057 R)
• M19: 17,746,347 km (0.101 R)
• M20: 18,424,175 km (0.115 R)
• M21: 22,247,747 km (0.085 R)
• M22: 22,595,711 km (0.106 R)
• M23: 24,482,589 km (0.119 R)
• M24: 28,977,706 km (0.066 R)
• M25: 29,288,720 km (0.08 R)
• M26: 32,970,174 km (0.117 R)
• M27: 39,814,576 km (0.118 R)
• M28: 40,070,538 km (0.052 R)
• M29: 43,093,911 km (0.072 R)
• M30: 43,906,975 km (0.073 R)
• M31: 44,592,283 km (0.045 R)
• M32: 46,124,913 km (0.102 R)
• M33: 47,836,762 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.2

Radius: 6.4

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.89 AU - 8.23 AU

Year: 12112 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,335,242 km

• M1: 83,326 km (0.075 R)
• M2: 615,745 km (0.109 R)
• M3: 855,251 km (0.043 R)
• M4: 1,168,359 km (0.052 R)
• M5: 1,556,117 km (0.078 R)
• M6: 2,646,985 km (0.077 R)
• M7: 2,872,878 km (0.092 R)
• M8: 3,934,424 km (0.058 R)
• M9: 4,229,431 km (0.116 R)
• M10: 4,539,099 km (0.119 R)
• M11: 4,833,657 km (0.119 R)
• M12: 5,109,665 km (0.104 R)
• M13: 5,461,220 km (0.083 R)
• M14: 8,346,813 km (0.098 R)
• M15: 9,341,489 km (0.092 R)
• M16: 9,770,387 km (0.114 R)
• M17: 10,770,299 km (0.03 R)
• M18: 11,083,257 km (0.092 R)
• M19: 11,509,761 km (0.096 R)
• M20: 11,947,335 km (0.096 R)
• M21: 12,855,394 km (0.116 R)
• M22: 13,505,995 km (0.06 R)
• M23: 14,617,358 km (0.088 R)
• M24: 14,936,749 km (0.11 R)
• M25: 18,169,260 km (0.113 R)
• M26: 20,698,810 km (0.114 R)
• M27: 21,020,595 km (0.1 R)
• M28: 22,341,096 km (0.087 R)
• M29: 23,367,038 km (0.116 R)
• M30: 23,628,385 km (0.053 R)
• M31: 24,783,430 km (0.083 R)
• M32: 27,301,611 km (0.106 R)
• M33: 33,830,810 km (0.047 R)
• M34: 34,053,562 km (0.099 R)
• M35: 37,039,535 km (0.085 R)
• M36: 39,575,070 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696

Radius: 4.6

Gravity: 32.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.85 AU - 11.03 AU

Year: 17259 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,335,242 km

• M1: 76,295 km (0.104 R)
• M2: 397,631 km (0.118 R)
• M3: 578,794 km (0.082 R)
• M4: 815,159 km (0.053 R)
• M5: 1,003,054 km (0.065 R)
• M6: 1,346,381 km (0.096 R)
• M7: 1,610,870 km (0.038 R)
• M8: 2,201,931 km (0.081 R)
• M9: 2,413,462 km (0.059 R)
• M10: 2,926,882 km (0.109 R)
• M11: 3,425,941 km (0.095 R)
• M12: 4,166,749 km (0.096 R)
• M13: 5,044,590 km (0.112 R)
• M14: 6,120,946 km (0.059 R)
• M15: 8,207,687 km (0.076 R)
• M16: 8,358,332 km (0.055 R)
• M17: 9,519,960 km (0.082 R)
• M18: 10,139,295 km (0.056 R)
• M19: 11,148,781 km (0.056 R)
• M20: 15,627,891 km (0.072 R)
• M21: 17,462,559 km (0.075 R)
• M22: 21,268,928 km (0.081 R)
• M23: 24,229,320 km (0.069 R)
• M24: 25,380,176 km (0.046 R)
• M25: 26,457,580 km (0.068 R)
• M26: 28,358,520 km (0.079 R)
• M27: 28,934,622 km (0.076 R)
• M28: 29,635,937 km (0.049 R)
• M29: 36,331,638 km (0.038 R)
• M30: 37,560,435 km (0.103 R)
• M31: 38,254,868 km (0.056 R)
• M32: 39,526,450 km (0.081 R)
• M33: 41,412,580 km (0.084 R)
• M34: 47,107,472 km (0.072 R)
• M35: 56,866,938 km (0.094 R)
• M36: 60,397,298 km (0.1 R)
• M37: 61,158,601 km (0.065 R)
• M38: 63,090,060 km (0.092 R)
• M39: 66,466,184 km (0.097 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: 387 - 12,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit