🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 8.8

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.61 AU - 0.95 AU

Year: 452 Days

Day: 11.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,585,727 km

• M1: 109,506 km (0.096 R)
• M2: 384,467 km (0.065 R)
• M3: 707,000 km (0.114 R)
• M4: 1,004,251 km (0.096 R)
• M5: 1,631,215 km (0.066 R)
• M6: 1,978,133 km (0.104 R)
• M7: 2,718,343 km (0.069 R)
• M8: 3,256,147 km (0.111 R)
• M9: 3,644,503 km (0.118 R)
• M10: 3,955,816 km (0.119 R)
• M11: 4,677,177 km (0.074 R)
• M12: 5,383,878 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.6

Radius: 10

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.82 AU - 1.12 AU

Year: 627 Days

Day: 11.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,585,727 km

• M1: 124,615 km (0.086 R)
• M2: 472,430 km (0.091 R)
• M3: 806,333 km (0.059 R)
• M4: 1,235,828 km (0.098 R)
• M5: 1,596,957 km (0.056 R)
• M6: 2,064,600 km (0.084 R)
• M7: 2,654,016 km (0.105 R)
• M8: 3,179,104 km (0.036 R)
• M9: 3,531,707 km (0.092 R)
• M10: 4,271,468 km (0.115 R)
• M11: 4,591,907 km (0.091 R)
• M12: 5,298,757 km (0.088 R)
• M13: 5,651,508 km (0.082 R)
• M14: 5,963,570 km (0.037 R)
• M15: 6,482,973 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 11.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.72 AU - 2.21 AU

Year: 1800 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,585,727 km

• M1: 145,559 km (0.062 R)
• M2: 561,740 km (0.079 R)
• M3: 1,021,753 km (0.118 R)
• M4: 1,431,352 km (0.067 R)
• M5: 2,392,070 km (0.109 R)
• M6: 3,087,850 km (0.088 R)
• M7: 3,775,401 km (0.079 R)
• M8: 4,504,242 km (0.101 R)
• M9: 5,068,675 km (0.108 R)
• M10: 5,702,521 km (0.117 R)
• M11: 6,487,312 km (0.048 R)
• M12: 6,919,051 km (0.098 R)
• M13: 7,342,712 km (0.079 R)
• M14: 8,068,561 km (0.116 R)
• M15: 8,628,656 km (0.071 R)
• M16: 9,373,055 km (0.065 R)
• M17: 9,826,785 km (0.119 R)
• M18: 11,349,242 km (0.093 R)
• M19: 12,396,577 km (0.103 R)
• M20: 13,712,290 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.34 AU - 3.2 AU

Year: 3024 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,585,727 km

• M1: 104,270 km (0.062 R)
• M2: 365,019 km (0.081 R)
• M3: 617,989 km (0.033 R)
• M4: 1,071,121 km (0.11 R)
• M5: 1,331,271 km (0.077 R)
• M6: 2,106,637 km (0.106 R)
• M7: 2,356,765 km (0.111 R)
• M8: 2,667,180 km (0.054 R)
• M9: 3,260,934 km (0.105 R)
• M10: 4,398,028 km (0.119 R)
• M11: 5,056,707 km (0.08 R)
• M12: 7,510,860 km (0.065 R)
• M13: 11,628,242 km (0.083 R)
• M14: 12,340,029 km (0.104 R)
• M15: 12,804,381 km (0.085 R)
• M16: 13,644,822 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.5

Radius: 13.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.04 AU - 4.04 AU

Year: 4369 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,585,727 km

• M1: 171,589 km (0.068 R)
• M2: 641,176 km (0.109 R)
• M3: 2,193,853 km (0.059 R)
• M4: 2,688,124 km (0.057 R)
• M5: 3,296,389 km (0.113 R)
• M6: 3,730,373 km (0.081 R)
• M7: 5,691,601 km (0.031 R)
• M8: 8,341,428 km (0.077 R)
• M9: 9,195,332 km (0.118 R)
• M10: 9,852,366 km (0.039 R)
• M11: 11,445,583 km (0.045 R)
• M12: 14,095,411 km (0.085 R)
• M13: 14,692,904 km (0.081 R)
• M14: 15,420,698 km (0.11 R)
• M15: 16,349,252 km (0.108 R)
• M16: 17,874,552 km (0.118 R)
• M17: 21,348,065 km (0.101 R)
• M18: 24,309,205 km (0.092 R)
• M19: 26,211,791 km (0.093 R)
• M20: 27,283,061 km (0.053 R)
• M21: 28,383,204 km (0.047 R)
• M22: 29,424,704 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 8.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.38 AU - 4.48 AU

Year: 5111 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,585,727 km

• M1: 110,702 km (0.113 R)
• M2: 798,553 km (0.089 R)
• M3: 1,269,338 km (0.104 R)
• M4: 1,691,354 km (0.102 R)
• M5: 2,246,212 km (0.083 R)
• M6: 2,738,539 km (0.107 R)
• M7: 3,193,316 km (0.098 R)
• M8: 3,737,254 km (0.091 R)
• M9: 4,363,770 km (0.072 R)
• M10: 4,725,498 km (0.1 R)
• M11: 10,939,643 km (0.1 R)
• M12: 11,397,263 km (0.098 R)
• M13: 12,085,414 km (0.079 R)
• M14: 13,309,124 km (0.099 R)
• M15: 16,754,513 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551

Radius: 3.1

Gravity: 57.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.31 AU - 10.51 AU

Year: 17447 Days

Day: 20.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,585,727 km

• M1: 70,461 km (0.105 R)
• M2: 274,362 km (0.061 R)
• M3: 495,618 km (0.101 R)
• M4: 920,027 km (0.091 R)
• M5: 2,134,462 km (0.105 R)
• M6: 2,576,375 km (0.108 R)
• M7: 2,927,182 km (0.057 R)
• M8: 3,525,872 km (0.055 R)
• M9: 4,017,750 km (0.078 R)
• M10: 4,139,971 km (0.099 R)
• M11: 9,651,157 km (0.065 R)
• M12: 9,925,819 km (0.111 R)
• M13: 11,136,365 km (0.054 R)
• M14: 17,688,602 km (0.066 R)
• M15: 19,112,175 km (0.099 R)
• M16: 25,259,600 km (0.09 R)
• M17: 26,202,665 km (0.117 R)
• M18: 29,861,530 km (0.082 R)
• M19: 30,679,083 km (0.102 R)
• M20: 32,849,598 km (0.116 R)
• M21: 34,352,159 km (0.058 R)
• M22: 43,740,024 km (0.075 R)
• M23: 50,152,537 km (0.049 R)
• M24: 50,480,305 km (0.108 R)
• M25: 56,275,577 km (0.077 R)
• M26: 57,521,279 km (0.095 R)
• M27: 59,515,718 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 7.4

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.39 AU - 10.47 AU

Year: 17506 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,585,727 km

• M1: 92,601 km (0.096 R)
• M2: 427,700 km (0.079 R)
• M3: 851,511 km (0.087 R)
• M4: 1,190,350 km (0.111 R)
• M5: 1,501,813 km (0.08 R)
• M6: 1,739,075 km (0.061 R)
• M7: 2,537,329 km (0.113 R)
• M8: 5,394,050 km (0.116 R)
• M9: 6,339,659 km (0.082 R)
• M10: 7,295,888 km (0.037 R)
• M11: 9,097,944 km (0.116 R)
• M12: 10,013,034 km (0.065 R)
• M13: 10,371,620 km (0.071 R)
• M14: 10,738,734 km (0.116 R)
• M15: 12,092,295 km (0.053 R)
• M16: 12,430,536 km (0.114 R)
• M17: 15,766,120 km (0.113 R)
• M18: 16,498,102 km (0.074 R)
• M19: 16,747,182 km (0.025 R)
• M20: 18,382,736 km (0.116 R)
• M21: 22,472,592 km (0.101 R)
• M22: 30,362,384 km (0.082 R)
• M23: 34,109,960 km (0.116 R)
• M24: 37,008,419 km (0.108 R)
• M25: 37,578,536 km (0.086 R)
• M26: 40,517,386 km (0.038 R)
• M27: 40,819,425 km (0.116 R)
• M28: 41,581,177 km (0.104 R)
• M29: 44,562,214 km (0.088 R)
• M30: 51,651,507 km (0.106 R)
• M31: 55,462,663 km (0.05 R)
• M32: 56,396,901 km (0.1 R)
• M33: 61,823,414 km (0.081 R)
• M34: 72,139,085 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit