🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 9.2

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 5.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,249,522 km

• M1: 114,742 km (0.105 R)
• M2: 431,141 km (0.091 R)
• M3: 805,585 km (0.073 R)
• M4: 1,099,844 km (0.091 R)
• M5: 1,403,976 km (0.088 R)
• M6: 1,932,655 km (0.097 R)
• M7: 3,148,886 km (0.111 R)
• M8: 3,445,987 km (0.104 R)
• M9: 3,799,636 km (0.086 R)
• M10: 4,382,619 km (0.09 R)
• M11: 4,948,099 km (0.112 R)
• M12: 5,528,838 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.7

Radius: 10

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.65 AU - 0.79 AU

Year: 414 Days

Day: 9 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,249,522 km

• M1: 124,316 km (0.108 R)
• M2: 602,431 km (0.088 R)
• M3: 914,941 km (0.082 R)
• M4: 1,340,247 km (0.094 R)
• M5: 1,730,399 km (0.037 R)
• M6: 2,072,379 km (0.082 R)
• M7: 3,237,448 km (0.104 R)
• M8: 3,735,908 km (0.059 R)
• M9: 5,341,542 km (0.042 R)
• M10: 5,700,726 km (0.094 R)
• M11: 6,223,122 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 14.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.77 AU - 0.85 AU

Year: 494 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,249,522 km

• M1: 184,155 km (0.099 R)
• M2: 824,135 km (0.119 R)
• M3: 1,463,666 km (0.118 R)
• M4: 1,974,692 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 10.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 541 Days

Day: 14.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,249,522 km

• M1: 129,253 km (0.066 R)
• M2: 475,422 km (0.045 R)
• M3: 908,807 km (0.098 R)
• M4: 1,270,086 km (0.048 R)
• M5: 1,604,288 km (0.112 R)
• M6: 2,295,879 km (0.094 R)
• M7: 2,634,119 km (0.075 R)
• M8: 3,039,230 km (0.111 R)
• M9: 3,364,007 km (0.072 R)
• M10: 4,555,554 km (0.082 R)
• M11: 5,304,890 km (0.033 R)
• M12: 5,813,822 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 11.6

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.87 AU - 2.75 AU

Year: 2381 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,249,522 km

• M1: 144,512 km (0.094 R)
• M2: 564,433 km (0.107 R)
• M3: 1,051,523 km (0.092 R)
• M4: 1,547,291 km (0.081 R)
• M5: 2,210,159 km (0.087 R)
• M6: 2,767,112 km (0.071 R)
• M7: 3,433,870 km (0.041 R)
• M8: 3,805,919 km (0.097 R)
• M9: 4,479,409 km (0.044 R)
• M10: 4,879,434 km (0.081 R)
• M11: 5,499,367 km (0.037 R)
• M12: 6,037,920 km (0.112 R)
• M13: 6,696,300 km (0.11 R)
• M14: 7,341,216 km (0.07 R)
• M15: 7,899,366 km (0.108 R)
• M16: 9,819,006 km (0.064 R)
• M17: 10,382,092 km (0.091 R)
• M18: 11,531,752 km (0.105 R)
• M19: 15,591,090 km (0.084 R)
• M20: 16,358,078 km (0.107 R)
• M21: 17,967,602 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.4

Radius: 11.6

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.35 AU - 2.67 AU

Year: 2697 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,249,522 km

• M1: 146,606 km (0.079 R)
• M2: 526,435 km (0.096 R)
• M3: 1,083,238 km (0.103 R)
• M4: 1,665,024 km (0.068 R)
• M5: 2,167,075 km (0.098 R)
• M6: 2,988,068 km (0.111 R)
• M7: 3,755,206 km (0.12 R)
• M8: 4,392,343 km (0.113 R)
• M9: 4,781,597 km (0.106 R)
• M10: 5,170,402 km (0.078 R)
• M11: 5,831,475 km (0.037 R)
• M12: 6,493,146 km (0.074 R)
• M13: 7,087,199 km (0.064 R)
• M14: 8,093,544 km (0.075 R)
• M15: 8,482,349 km (0.114 R)
• M16: 9,227,645 km (0.102 R)
• M17: 10,163,979 km (0.099 R)
• M18: 10,926,628 km (0.098 R)
• M19: 11,767,967 km (0.117 R)
• M20: 12,395,081 km (0.085 R)
• M21: 12,825,474 km (0.104 R)
• M22: 13,991,141 km (0.086 R)
• M23: 15,275,139 km (0.059 R)
• M24: 15,870,389 km (0.074 R)
• M25: 16,378,124 km (0.095 R)
• M26: 17,372,801 km (0.119 R)
• M27: 18,518,720 km (0.06 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 10.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.23 AU - 4.11 AU

Year: 4769 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,249,522 km

• M1: 129,402 km (0.055 R)
• M2: 567,724 km (0.098 R)
• M3: 1,944,922 km (0.087 R)
• M4: 2,749,459 km (0.033 R)
• M5: 3,350,843 km (0.091 R)
• M6: 4,612,850 km (0.064 R)
• M7: 5,341,691 km (0.099 R)
• M8: 6,347,438 km (0.039 R)
• M9: 7,052,492 km (0.109 R)
• M10: 7,993,014 km (0.118 R)
• M11: 10,184,473 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 8.7

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.88 AU - 5.08 AU

Year: 7538 Days

Day: 14.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,249,522 km

• M1: 108,458 km (0.07 R)
• M2: 406,607 km (0.107 R)
• M3: 692,638 km (0.11 R)
• M4: 993,779 km (0.091 R)
• M5: 1,596,209 km (0.105 R)
• M6: 1,949,111 km (0.028 R)
• M7: 3,055,537 km (0.098 R)
• M8: 3,444,192 km (0.088 R)
• M9: 4,063,826 km (0.119 R)
• M10: 5,130,010 km (0.074 R)
• M11: 6,202,926 km (0.118 R)
• M12: 8,203,947 km (0.081 R)
• M13: 8,828,518 km (0.112 R)
• M14: 9,619,592 km (0.037 R)
• M15: 11,596,677 km (0.038 R)
• M16: 12,927,201 km (0.075 R)
• M17: 13,486,846 km (0.088 R)
• M18: 14,179,634 km (0.09 R)
• M19: 14,835,471 km (0.093 R)
• M20: 16,207,433 km (0.036 R)
• M21: 18,281,757 km (0.107 R)
• M22: 23,687,327 km (0.107 R)
• M23: 25,037,597 km (0.098 R)
• M24: 27,522,867 km (0.114 R)
• M25: 32,056,580 km (0.102 R)
• M26: 34,873,956 km (0.107 R)
• M27: 36,398,060 km (0.08 R)
• M28: 37,852,450 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.7

Radius: 6.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.34 AU - 10.36 AU

Year: 20967 Days

Day: 23.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,249,522 km

• M1: 86,168 km (0.112 R)
• M2: 331,658 km (0.067 R)
• M3: 572,511 km (0.096 R)
• M4: 793,168 km (0.097 R)
• M5: 1,072,168 km (0.117 R)
• M6: 2,036,625 km (0.104 R)
• M7: 2,567,698 km (0.032 R)
• M8: 3,165,192 km (0.093 R)
• M9: 3,902,410 km (0.059 R)
• M10: 8,143,360 km (0.106 R)
• M11: 10,281,114 km (0.042 R)
• M12: 12,318,188 km (0.065 R)
• M13: 13,226,845 km (0.09 R)
• M14: 16,964,548 km (0.085 R)
• M15: 21,191,586 km (0.086 R)
• M16: 21,999,115 km (0.077 R)
• M17: 24,809,610 km (0.106 R)
• M18: 30,516,769 km (0.113 R)
• M19: 32,174,463 km (0.058 R)
• M20: 35,555,225 km (0.04 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 16,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit